{"id":2901,"date":"2026-01-23T08:22:19","date_gmt":"2026-01-23T08:22:19","guid":{"rendered":"https:\/\/nylonplastic.com\/?page_id=2901"},"modified":"2026-06-12T02:06:51","modified_gmt":"2026-06-12T02:06:51","slug":"mold-material-customization","status":"publish","type":"page","link":"https:\/\/nylonplastic.com\/ja\/mold-material-customization\/","title":{"rendered":"\u91d1\u578b\u7d20\u6750\u306e\u30ab\u30b9\u30bf\u30de\u30a4\u30ba"},"content":{"rendered":"<style>\n.np-mm{font-family:Inter,Arial,sans-serif;color:#1f2933;background:#fff;line-height:1.7}.np-mm *{box-sizing:border-box}.np-mm a{color:inherit}.np-mm .wrap{max-width:1180px;margin:0 auto;padding:0 22px}.np-mm .hero{position:relative;min-height:560px;display:flex;align-items:center;color:#fff;background:linear-gradient(90deg,rgba(10,34,56,.9),rgba(10,34,56,.5)),url('https:\/\/nylonplastic.com\/wp-content\/uploads\/2026\/06\/mm-hero.jpg') center\/cover no-repeat;border-radius:0 0 28px 28px;overflow:hidden}.np-mm 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.shots{font-size:28px;font-weight:900;color:#0f4266;display:block}.np-mm .life-card .label{font-size:13px;color:#6b7280;margin-top:4px}.np-mm .life-card .mat{font-size:15px;font-weight:700;color:#123d5a;margin-top:6px}.np-mm details{background:#fff;border:1px solid #e5e7eb;border-radius:16px;padding:18px 20px;margin:12px 0}.np-mm summary{cursor:pointer;font-weight:800;color:#123d5a}.np-mm details p{color:#52616b;margin:12px 0 0}.np-mm details ul{color:#52616b;margin:8px 0 0;padding-left:20px}.np-mm .cta{background:linear-gradient(135deg,#0f4266,#123d5a);color:#fff;border-radius:26px;padding:48px;margin-top:24px}.np-mm .cta h2{color:#fff}.np-mm .cta p{color:rgba(255,255,255,.88);max-width:780px}.np-mm .cta .btn.secondary{background:#fff;color:#0f4266;border-color:#fff}.np-mm .privacy{font-size:13px;color:#6b7280;margin-top:28px}@media(max-width:900px){.np-mm .quick-grid,.np-mm .cards,.np-mm .steps,.np-mm .industries,.np-mm .split,.np-mm .life-grid{grid-template-columns:1fr}.np-mm .quick{margin-top:20px}.np-mm .hero{min-height:auto;border-radius:0}.np-mm .hero-inner{padding:68px 0}.np-mm section{padding:56px 0}}\n<\/style>\n<div class=\"np-mm\">\n<section class=\"hero\">\n<div class=\"wrap hero-inner\">\n<div class=\"eyebrow\">Mold Material Guide<\/div>\n<h1>Mold Material Customization for Precision Tooling<\/h1>\n<p>Compare tool steels, aluminum alloys, beryllium copper, tungsten carbide, and additively manufactured mold materials by hardness, thermal conductivity, polishability, tool life, and cost \u2014 so every mold starts with the right substrate for its production volume and part requirements.<\/p>\n<div class=\"btns\"><a class=\"btn primary\" href=\"https:\/\/nylonplastic.com\/ja\/contact\/\">Request Mold Consultation<\/a><a class=\"btn secondary\" href=\"#material-table\">Compare Materials<\/a><\/div>\n<\/p><\/div>\n<\/section>\n<div class=\"wrap quick\">\n<div class=\"quick-grid\">\n<div class=\"quick-card\"><strong>Best for high volume (&gt;500k shots)<\/strong><span>H13 tool steel with hardened inserts for abrasive resins. 420 stainless for PVC and corrosive materials.<\/span><\/div>\n<div class=\"quick-card\"><strong>Best for prototyping (&lt;10k shots)<\/strong><span>7075-T6 aluminum for fast machining, rapid iterations, and bridge production at 60-70% lower tool cost.<\/span><\/div>\n<div class=\"quick-card\"><strong>Best for optical \/ transparent<\/strong><span>420 stainless or high-grade P20 with mirror polish capability; aim for SPI A-1 to A-2 finish on lens-grade molds.<\/span><\/div>\n<div class=\"quick-card\"><strong>Best for abrasive resins<\/strong><span>Tungsten carbide inserts or DLC-coated cavities for glass-filled nylon, PPS, and mineral-filled compounds.<\/span><\/div>\n<\/p><\/div>\n<\/p><\/div>\n<section>\n<div class=\"wrap split\">\n<div>\n<h2>The mold material is the foundation \u2014 everything else builds on it<\/h2>\n<p class=\"lead\">A mold is only as good as the steel (or aluminum, or carbide) it is cut from. Cycle time, part consistency, tool maintenance interval, and per-piece cost all trace back to this single decision. The wrong material choice cannot be fixed by better machining or tighter process control.<\/p>\n<p>This page organizes every mold and tooling material available through our supply chain \u2014 from standard pre-hardened P20 for general-purpose molds to maraging steel for 3D-printed conformal cooling inserts \u2014 with practical guidance on when each one earns its cost. Use it to align your mold specification with production volume, resin type, surface finish requirements, and budget.<\/p>\n<\/div>\n<figure><img decoding=\"async\" src=\"https:\/\/nylonplastic.com\/wp-content\/uploads\/2026\/06\/mm-overview.webp\" alt=\"Precision mold tooling materials including tool steel aluminum and specialty alloys\" loading=\"lazy\" title=\"\u91d1\u578b\u7d20\u6750\u306e\u30ab\u30b9\u30bf\u30de\u30a4\u30ba\"><figcaption>Tool material selection determines mold life, part quality, and total cost of ownership.<\/figcaption><\/figure>\n<\/p><\/div>\n<\/section>\n<section class=\"blue\" id=\"material-table\">\n<div class=\"wrap\">\n<h2>Complete Mold Material Comparison<\/h2>\n<p class=\"lead\">Technical specifications for standard, hardened, and specialty mold materials. Select by hardness, wear resistance, thermal conductivity, polishability, and relative tool cost.<\/p>\n<div class=\"table-wrap\">\n<table>\n<thead>\n<tr>\n<th>\u7d20\u6750<\/th>\n<th>Hardness (HRC)<\/th>\n<th>Thermal Cond.<\/th>\n<th>Polishability<\/th>\n<th>Typical Tool Life<\/th>\n<th>\u76f8\u5bfe\u30b3\u30b9\u30c8<\/th>\n<th>\u6700\u9069<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><strong>P20 (1.2311)<\/strong><\/td>\n<td>28\u201332 (pre-hard)<\/td>\n<td>Moderate<\/td>\n<td>Good (B-1+)<\/td>\n<td>200k\u2013500k shots<\/td>\n<td><span class=\"tag green\">$$<\/span><\/td>\n<td>General injection molds, medium volume<\/td>\n<\/tr>\n<tr>\n<td><strong>H13 (1.2344)<\/strong><\/td>\n<td>48\u201352 (hardened)<\/td>\n<td>Moderate<\/td>\n<td>\u30b0\u30c3\u30c9<\/td>\n<td>500k\u20131M+ shots<\/td>\n<td><span class=\"tag amber\">$$$<\/span><\/td>\n<td>High-wear, high-temp, die casting<\/td>\n<\/tr>\n<tr>\n<td><strong>420 SS (1.2083)<\/strong><\/td>\n<td>48\u201352 (hardened)<\/td>\n<td>\u3088\u308a\u4f4e\u3044<\/td>\n<td>Excellent (A-1)<\/td>\n<td>500k\u20131M+ shots<\/td>\n<td><span class=\"tag amber\">$$$<\/span><\/td>\n<td>Transparent parts, PVC, corrosive resins<\/td>\n<\/tr>\n<tr>\n<td><strong>718H<\/strong><\/td>\n<td>33\u201338 (pre-hard)<\/td>\n<td>\u30b0\u30c3\u30c9<\/td>\n<td>Very good (A-2)<\/td>\n<td>300k\u2013600k shots<\/td>\n<td><span class=\"tag amber\">$$$<\/span><\/td>\n<td>High-polish, large molds, automotive<\/td>\n<\/tr>\n<tr>\n<td><strong>NAK80<\/strong><\/td>\n<td>37\u201343 (pre-hard)<\/td>\n<td>\u30b0\u30c3\u30c9<\/td>\n<td>Excellent (A-1+)<\/td>\n<td>300k\u2013500k shots<\/td>\n<td><span class=\"tag amber\">$$$<\/span><\/td>\n<td>Mirror-finish, optical, cosmetic<\/td>\n<\/tr>\n<tr>\n<td><strong>7075-T6 Aluminum<\/strong><\/td>\n<td>~150 HB (Brinell)<\/td>\n<td>\u7d20\u6674\u3089\u3057\u3044<\/td>\n<td>Good (B-1)<\/td>\n<td>5k\u201350k shots<\/td>\n<td><span class=\"tag green\">$<\/span><\/td>\n<td>Prototypes, low volume, fast turnaround<\/td>\n<\/tr>\n<tr>\n<td><strong>AlMg3 (Aimonte)<\/strong><\/td>\n<td>~80 HB<\/td>\n<td>\u7d20\u6674\u3089\u3057\u3044<\/td>\n<td>\u30b0\u30c3\u30c9<\/td>\n<td>3k\u201320k shots<\/td>\n<td><span class=\"tag green\">$<\/span><\/td>\n<td>Transparent prototypes, concept models<\/td>\n<\/tr>\n<tr>\n<td><strong>Beryllium Copper<\/strong><\/td>\n<td>36\u201342 (aged)<\/td>\n<td>3\u20134x steel<\/td>\n<td>\u30b0\u30c3\u30c9<\/td>\n<td>200k+ (as inserts)<\/td>\n<td><span class=\"tag red\">$$$$<\/span><\/td>\n<td>High-heat inserts, rapid cooling zones<\/td>\n<\/tr>\n<tr>\n<td><strong>Tungsten Carbide<\/strong><\/td>\n<td>88\u201392 HRA<\/td>\n<td>\u9ad8\u3044<\/td>\n<td>Limited<\/td>\n<td>2M+ shots<\/td>\n<td><span class=\"tag red\">$$$$$<\/span><\/td>\n<td>Abrasive resins, glass-filled, long runs<\/td>\n<\/tr>\n<tr>\n<td><strong>Maraging Steel (1.2709)<\/strong><\/td>\n<td>50\u201354 (aged)<\/td>\n<td>Moderate<\/td>\n<td>Very good<\/td>\n<td>200k\u2013500k shots<\/td>\n<td><span class=\"tag red\">$$$$<\/span><\/td>\n<td>3D-printed conformal cooling molds<\/td>\n<\/tr>\n<tr>\n<td><strong>DLC Coating<\/strong><\/td>\n<td>>80 HRC (surface)<\/td>\n<td>N\/A<\/td>\n<td>Smooth (low COF)<\/td>\n<td>Extends base 2\u20135x<\/td>\n<td><span class=\"tag amber\">$$$<\/span><\/td>\n<td>Sticky resins (TPE\/TPU), release aid<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<div class=\"note\"><strong>Material certification:<\/strong> All tool steels are supplied with mill test certificates (MTC) per EN 10204 3.1. Beryllium copper is RoHS-compliant and handled per safety protocols. Maraging steel powder for LPBF is certified to ASTM F3056.<\/div>\n<\/p><\/div>\n<\/section>\n<section>\n<div class=\"wrap\">\n<h2>Tool Steel: The Workhorse Materials<\/h2>\n<p class=\"lead\">Tool steels account for over 80% of production injection molds. Each grade is optimized for a different balance of hardness, toughness, machinability, and polishability.<\/p>\n<div class=\"split\">\n<div class=\"cards\">\n<div class=\"card\">\n<h3>P20 \u2014 Pre-Hardened Generalist<\/h3>\n<p>Supplied at 28\u201332 HRC, machines directly without heat treatment. Ideal for medium-volume molds (200k\u2013500k shots) for PE, PP, ABS, and unfilled nylon. Accepts SPI B-1 polish and standard textures.<\/p>\n<p><span class=\"tag\">No heat treat needed<\/span><span class=\"tag\">Good machinability<\/span><\/div>\n<div class=\"card\">\n<h3>H13 \u2014 Hot Work Champion<\/h3>\n<p>Hardened to 48\u201352 HRC after rough machining. Exceptional hot hardness and thermal fatigue resistance. The standard for die casting, high-temp engineering resins (PEEK, PPS), and abrasive filled compounds.<\/p>\n<p><span class=\"tag\">High temp rated<\/span><span class=\"tag\">Wear resistant<\/span><\/div>\n<div class=\"card\">\n<h3>420 Stainless \u2014 Corrosion Fighter<\/h3>\n<p>Hardened to 48\u201352 HRC with excellent polishability to SPI A-1. Resists corrosion from PVC outgassing, flame-retardant additives, and humid operating environments. Standard for medical and optical molds.<\/p>\n<p><span class=\"tag\">Mirror polish<\/span><span class=\"tag\">Corrosion proof<\/span><\/div>\n<\/p><\/div>\n<figure><img decoding=\"async\" src=\"https:\/\/nylonplastic.com\/wp-content\/uploads\/2026\/06\/mm-tool-steel.webp\" alt=\"Tool steel mold inserts showing P20 H13 and 420 stainless steel grades\" loading=\"lazy\" title=\"\u91d1\u578b\u7d20\u6750\u306e\u30ab\u30b9\u30bf\u30de\u30a4\u30ba\"><\/figure>\n<\/p><\/div>\n<\/p><\/div>\n<\/section>\n<section class=\"blue\">\n<div class=\"wrap\">\n<h2>Aluminum Molds: Speed Economics<\/h2>\n<p class=\"lead\">Aluminum tooling trades longevity for speed. A 7075-T6 mold machines up to 70% faster than P20, and its 3\u20134x higher thermal conductivity can cut cycle times by 15\u201325%. The economics favor prototyping, bridge tooling, and low-volume production.<\/p>\n<div class=\"table-wrap\">\n<table>\n<thead>\n<tr>\n<th>\u30d7\u30ed\u30d1\u30c6\u30a3<\/th>\n<th>Aluminum 7075-T6<\/th>\n<th>P20 Tool Steel<\/th>\n<th>\u512a\u52dd<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Machining time<\/td>\n<td>1x (baseline)<\/td>\n<td>2.5\u20134x longer<\/td>\n<td>Aluminum \u2014 60\u201375% faster<\/td>\n<\/tr>\n<tr>\n<td>Thermal conductivity<\/td>\n<td>130\u2013160 W\/m\u00b7K<\/td>\n<td>28\u201334 W\/m\u00b7K<\/td>\n<td>Aluminum \u2014 3\u20135x better cooling<\/td>\n<\/tr>\n<tr>\n<td>Typical tool life<\/td>\n<td>5,000\u201350,000 shots<\/td>\n<td>200,000\u2013500,000 shots<\/td>\n<td>Steel \u2014 10\u201340x longer<\/td>\n<\/tr>\n<tr>\n<td>Polish ceiling<\/td>\n<td>SPI B-1 (fine semi-gloss)<\/td>\n<td>SPI A-2 (high polish)<\/td>\n<td>Steel \u2014 higher gloss possible<\/td>\n<\/tr>\n<tr>\n<td>Repair &#038; welding<\/td>\n<td>More difficult, lower strength<\/td>\n<td>Standard weld repair<\/td>\n<td>Steel \u2014 easier to maintain<\/td>\n<\/tr>\n<tr>\n<td>Tool cost (same geometry)<\/td>\n<td>$5,000\u2013$15,000<\/td>\n<td>$15,000\u2013$40,000<\/td>\n<td>Aluminum \u2014 50\u201370% lower<\/td>\n<\/tr>\n<tr>\n<td>Cycle time reduction<\/td>\n<td>15\u201325% faster cooling<\/td>\n<td>Baseline<\/td>\n<td>Aluminum \u2014 lower per-part cost<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<div class=\"note\"><strong>Aluminum mold strategy:<\/strong> Use aluminum for the first 5,000\u201310,000 parts, validate the design and market, then cut a steel production mold. The aluminum mold pays for itself in reduced time-to-market and design validation \u2014 treat it as a bridge, not a permanent tool.<\/div>\n<\/p><\/div>\n<\/section>\n<section>\n<div class=\"wrap\">\n<h2>Tool Life by Material and Production Volume<\/h2>\n<p class=\"lead\">Expected shot counts under normal operating conditions with standard maintenance. Aggressive resins (glass-filled, mineral-filled, flame-retardant) reduce these figures by 30\u201350%.<\/p>\n<div class=\"life-grid\">\n<div class=\"life-card\"><span class=\"shots\">3k\u201320k<\/span><span class=\"mat\">AlMg3 Aluminum<\/span><span class=\"label\">Concept &#038; validation molds<\/span><\/div>\n<div class=\"life-card\"><span class=\"shots\">5k\u201350k<\/span><span class=\"mat\">7075-T6 Aluminum<\/span><span class=\"label\">Prototypes &#038; bridge production<\/span><\/div>\n<div class=\"life-card\"><span class=\"shots\">200k\u2013500k<\/span><span class=\"mat\">P20 \/ 718H \/ NAK80<\/span><span class=\"label\">General production molds<\/span><\/div>\n<div class=\"life-card\"><span class=\"shots\">500k\u20131M+<\/span><span class=\"mat\">H13 \/ 420 SS<\/span><span class=\"label\">High-volume &#038; demanding resins<\/span><\/div>\n<\/p><\/div>\n<\/p><\/div>\n<\/section>\n<section class=\"blue\">\n<div class=\"wrap\">\n<h2>Specialty Materials: When Standard Won&#8217;t Do<\/h2>\n<p class=\"lead\">For extreme thermal loads, abrasive compounds, complex cooling geometries, and sticky release problems \u2014 these materials solve problems that P20 and H13 cannot.<\/p>\n<div class=\"cards\">\n<div class=\"card\">\n<h3>Beryllium Copper Inserts<\/h3>\n<p>Thermal conductivity of 105\u2013130 W\/m\u00b7K \u2014 3 to 4 times that of tool steel. Installed as cavity inserts in hot spots where cycle time is bottlenecked by cooling. Typical payback: 15\u201330% cycle time reduction on thick-walled parts.<\/p>\n<p><span class=\"tag\">Fastest cooling<\/span><span class=\"tag\">Insert strategy<\/span><\/div>\n<div class=\"card\">\n<h3>Tungsten Carbide Cavities<\/h3>\n<p>Hardness of 88\u201392 HRA with exceptional wear resistance. Used for gate inserts, runner blocks, and full cavities when molding 30%+ glass-filled nylon, PPS, or PEEK. Tool life exceeds 2 million shots even with abrasive compounds.<\/p>\n<p><span class=\"tag\">Maximum wear resistance<\/span><span class=\"tag\">Ultra-long life<\/span><\/div>\n<div class=\"card\">\n<h3>3D-Printed Maraging Steel (1.2709)<\/h3>\n<p>Laser powder bed fusion (LPBF) enables conformal cooling channels that follow the cavity contour \u2014 impossible with conventional drilling. Reduces cycle time by 20\u201330% and improves part quality by eliminating hot spots and reducing warpage.<\/p>\n<p><span class=\"tag\">Conformal cooling<\/span><span class=\"tag\">\u8907\u96d1\u306a\u5e7e\u4f55\u5b66<\/span><\/div>\n<\/p><\/div>\n<\/p><\/div>\n<\/section>\n<section>\n<div class=\"wrap\">\n<h2>How to select the right mold material<\/h2>\n<p class=\"lead\">Three factors that should be locked before the mold design begins.<\/p>\n<div class=\"steps\">\n<div class=\"step\">\n<h3>Determine production volume<\/h3>\n<p>Under 10,000 total shots? Aluminum is almost certainly the right answer. 50,000 to 300,000? P20 or 718H pre-hardened steel. Over 500,000? H13 or 420 stainless with hardened inserts for wear zones. The material cost difference is small compared to the cost of a mold that wears out mid-production.<\/p>\n<\/div>\n<div class=\"step\">\n<h3>Analyze the resin<\/h3>\n<p>Each resin family stresses the mold differently. PVC outgasses corrosive HCl \u2014 needs 420 stainless or chrome plating. Glass-filled nylon is abrasive \u2014 needs hardened steel or carbide at gates. TPE\/TPU sticks \u2014 DLC coating pays for itself in reduced release-agent cycles alone. Unfilled PP\/PE is forgiving \u2014 P20 is sufficient.<\/p>\n<\/div>\n<div class=\"step\">\n<h3>Define surface finish requirements<\/h3>\n<p>If the part needs SPI A-2 or better, the mold material must be capable of achieving that polish. 420 stainless and NAK80 are the gold standards for mirror finish. P20 tops out around B-1. Aluminum cannot reach SPI A grades. Texture (VDI, leather grain, geometric patterns) can be applied to any steel mold but may have shorter life on aluminum.<\/p>\n<\/div><\/div>\n<\/p><\/div>\n<\/section>\n<section class=\"orange\">\n<div class=\"wrap\">\n<h2>Mold Materials by Industry Application<\/h2>\n<div class=\"industries\">\n<div class=\"industry\"><b>Medical Devices:<\/b> 420 stainless for corrosion-resistant, mirror-polished molds capable of cleanroom operation. Conformal cooling via maraging steel for tight-tolerance components with complex geometries requiring uniform shrinkage control.<\/div>\n<div class=\"industry\"><b>\u81ea\u52d5\u8eca<\/b> H13 for high-volume interior and under-hood components exposed to heat cycling. Beryllium copper inserts for thick-walled structural parts. P20 for medium-volume trim and non-critical brackets.<\/div>\n<div class=\"industry\"><b>Consumer Electronics:<\/b> NAK80 or 420 SS for high-gloss cosmetic enclosures and transparent light guides. Aluminum for rapid bridge tooling during product launch ramp-up. DLC coating for soft-touch overmolded TPE details.<\/div>\n<div class=\"industry\"><b>Aerospace:<\/b> H13 and carbide inserts for high-temp engineering resins (PEEK, PEI, PPS). Conformal cooling for complex thin-walled ducts and brackets. Full material traceability with MTC 3.1 certification.<\/div>\n<div class=\"industry\"><b>Packaging:<\/b> 420 SS for corrosion resistance in food-contact molds. P20 for standard caps and closures at high cavitation. Hard chrome plating for extended wear life on high-cycle (1M+) closure molds.<\/div>\n<div class=\"industry\"><b>Industrial Components:<\/b> P20 for general-purpose gears, bushings, and housings. H13 with nitriding for abrasive engineering plastics. Tungsten carbide gate inserts for glass-filled nylon structural components.<\/div>\n<\/p><\/div>\n<\/div>\n<\/section>\n<section>\n<div class=\"wrap\">\n<h2>\u3088\u304f\u3042\u308b\u8cea\u554f<\/h2>\n<details>\n<summary><strong>How much more does a hardened steel mold cost vs. aluminum?<\/strong><\/summary>\n<p>For the same part geometry, an aluminum (7075-T6) mold typically costs 50\u201370% less than a P20 steel mold and 65\u201380% less than a hardened H13 or 420 SS mold. However, per-part tool amortization flips this at volume: an aluminum mold at 10,000 shots costs $0.50\u2013$1.50 per part in tool amortization, while a steel mold at 300,000 shots costs $0.05\u2013$0.13 per part. The crossover point where steel becomes cheaper per part is typically between 8,000 and 20,000 shots, depending on geometry complexity.<\/p>\n<\/details>\n<details>\n<summary><strong>Can I start with aluminum and switch to steel later?<\/strong><\/summary>\n<p>Yes \u2014 this is a common and recommended strategy called bridge tooling. Use an aluminum mold to produce the first 5,000\u201310,000 parts for design validation, market testing, and regulatory approval. Once the design is locked, cut a steel production mold. The aluminum mold cost is treated as a de-risking investment. One caveat: aluminum molds wear differently than steel, so gate vestige, parting line flash, and texture degradation will be visible earlier \u2014 plan the switch before quality becomes an issue, not after.<\/p>\n<\/details>\n<details>\n<summary><strong>What mold material should I use for glass-filled nylon (PA6-GF30)?<\/strong><\/summary>\n<p>Glass-filled nylon is one of the most abrasive common molding resins. For production volumes above 50,000 shots, specify hardened H13 (48\u201352 HRC) for core and cavity, with tungsten carbide or hardened D2 inserts at the gate and runner areas where wear is concentrated. Nitriding the H13 cavity surface adds 15\u201325 \u00b5m of case hardness (to ~900 HV) and extends life by 40\u201360%. For prototype volumes under 5,000 shots, P20 can survive if you accept some gate wear and dimensional drift toward the end of the run.<\/p>\n<\/details>\n<details>\n<summary><strong>Is 3D-printed mold tooling (maraging steel) ready for production?<\/strong><\/summary>\n<p>Maraging steel (1.2709) produced by laser powder bed fusion is production-ready for conformal cooling inserts and complex cores where traditional machining cannot achieve the cooling channel geometry. It is not yet a full-cavity replacement for conventionally machined H13 or 420 SS \u2014 the as-printed surface requires post-machining to achieve SPI finish grades, and the cost per cubic centimeter is 3\u20135x conventional steel. Its ROI is strongest when conformal cooling reduces cycle time by 20\u201330% on complex, high-volume parts, where the tool cost premium is recovered within months through increased throughput.<\/p>\n<\/details><\/div>\n<\/section>\n<section>\n<div class=\"wrap\">\n<div class=\"cta\">\n<h2>Need a mold material recommendation?<\/h2>\n<p>Tell us your part material, production volume, and surface finish target. We will recommend the optimal mold substrate and provide a tooling cost estimate with material options at different price points.<\/p>\n<div class=\"btns\"><a class=\"btn primary\" href=\"https:\/\/nylonplastic.com\/ja\/contact\/\">Request Mold Quote<\/a><a class=\"btn secondary\" href=\"mailto:nova@nylonplastic.com\">nova@nylonplastic.com<\/a><\/div>\n<\/div>\n<p class=\"privacy\">We do not sell, trade, or rent your personal data. You can contact us at any time to request, update, or delete your information.<\/p>\n\t\t\t<div class=\"srfm-form-container srfm-form-container-305 srfm-bg-color\">\n\t\t\t<style>\n\t\t\t\t\/* Need to check and remove the input variables related to the Style Tab. *\/\n\t\t\t\t.srfm-form-container-305 {\n\t\t\t\t\t\/* New test variables *\/\n\t\t\t\t\t--srfm-color-scheme-primary: #111C44;\n\t\t\t\t\t--srfm-color-scheme-text-on-primary: #FFFFFF;\n\t\t\t\t\t--srfm-color-scheme-text: #1E1E1E;\n\t\t\t\t\t--srfm-quill-editor-color: #111C44;\n\n\t\t\t\t\t--srfm-color-input-label: #1E1E1E;\n\t\t\t\t\t--srfm-color-input-description: hsl( from #1E1E1E h s l \/ 0.65 );\n\t\t\t\t\t--srfm-color-input-placeholder: hsl( from #1E1E1E h s l \/ 0.5 );\n\t\t\t\t\t--srfm-color-input-text: #1E1E1E;\n\t\t\t\t\t--srfm-color-input-prefix: hsl( from #1E1E1E h s l \/ 0.65 );\n\t\t\t\t\t--srfm-color-input-background: hsl( from #1E1E1E h s l \/ 0.02 );\n\t\t\t\t\t--srfm-color-input-background-hover: hsl( from 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stroke-linejoin=\"round\" \/><path d=\"M10 6.66602V9.99935\" stroke=\"currentColor\" stroke-width=\"1.5\" stroke-linecap=\"round\" stroke-linejoin=\"round\" \/><path d=\"M10 13.334H10.0083\" stroke=\"currentColor\" stroke-width=\"1.5\" stroke-linecap=\"round\" stroke-linejoin=\"round\" \/><\/svg>\t\t<\/span>\n\t\t<span class=\"srfm-error-content\">\u30d5\u30a9\u30fc\u30e0\u3092\u9001\u4fe1\u3057\u3088\u3046\u3068\u3057\u3066\u30a8\u30e9\u30fc\u304c\u767a\u751f\u3057\u307e\u3057\u305f\u3002\u3082\u3046\u4e00\u5ea6\u304a\u8a66\u3057\u304f\u3060\u3055\u3044\u3002.<\/span><\/p>\n\t\t\t\t\t\t<div data-block-id=\"7fa370fa\" class=\"wp-block-uagb-advanced-heading uagb-block uagb-block-7fa370fa\" >\n\t\t\t\t\t<h2 class=\"uagb-heading-text\">\u30ab\u30b9\u30bf\u30e0\u30bd\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3\u3092\u4f5c\u308a\u307e\u3057\u3087\u3046<\/h2>\t\t\t\t<\/div>\n\t\t\t\n\n\t\t\t<div data-block-id=\"bb2839a9\" class=\"srfm-block-single srfm-block srfm-input-block srf-input-bb2839a9-block 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unique.\">\n\t\t\t\t\t\t\u3053\u306e\u30d5\u30a3\u30fc\u30eb\u30c9\u306f\u5fc5\u9808\u3067\u3059\u3002.\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t<\/div>\n\t\t\n\n\t\t\t<div data-block-id=\"dbaa04c6\" class=\"srfm-block-single srfm-block srfm-input-block srf-input-dbaa04c6-block  srfm-block-width-50 srfm-slug-last-name\" >\n\t\t\t\t\t\t\t\t<label id=\"srfm-label-dbaa04c6-lbl-TGFzdCBOYW1l\" for=\"srfm-input-dbaa04c6-lbl-TGFzdCBOYW1l\" class=\"srfm-block-label\">\n\t\t\t\t\t\t\u30e9\u30b9\u30c8\u30cd\u30fc\u30e0\t\t\t\t\t\t\t\t\t\t\t<\/label>\n\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"srfm-block-wrap\">\n\t\t\t\t<input class=\"srfm-input-common srfm-input-input\" type=\"text\" name=\"srfm-input-dbaa04c6-lbl-TGFzdCBOYW1l-last-name\" id=\"srfm-input-dbaa04c6-lbl-TGFzdCBOYW1l\"\n\t\t\t\t\taria-describedby='srfm-error-dbaa04c6'\t\t\t\t\tdata-required=\"false\" aria-required=\"false\" data-unique=\"false\" maxlength=\"100\" value=\"\"  data-srfm-mask=\"none\"   \/>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"srfm-error-wrap\">\n\t\t\t\t\t\t\t\t\t\t<div class=\"srfm-error-message\" data-srfm-id=\"srfm-error-dbaa04c6\" data-error-msg=\"This field is required.\" data-unique-msg=\"Value needs to be unique.\">\n\t\t\t\t\t\t\u3053\u306e\u30d5\u30a3\u30fc\u30eb\u30c9\u306f\u5fc5\u9808\u3067\u3059\u3002.\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t<\/div>\n\t\t\n\n\t\t\t<div data-block-id=\"80af9bb9\" class=\"srfm-block-single srfm-block srfm-email-block srf-email-80af9bb9-block  srfm-block-width-50 srfm-slug-email srfm-email-block-wrap\">\n\t\t\t\t<div class=\"srfm-email-block srf-email-80af9bb9-block\">\n\t\t\t\t\t\t\t\t\t\t<label id=\"srfm-label-80af9bb9-lbl-RW1haWw\" for=\"srfm-email-80af9bb9-lbl-RW1haWw\" class=\"srfm-block-label\">\n\t\t\t\t\t\t\u96fb\u5b50\u30e1\u30fc\u30eb\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"srfm-required\" aria-hidden=\"true\"> *<\/span>\n\t\t\t\t\t\t\t\t\t\t\t<\/label>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"srfm-block-wrap\">\n\t\t\t\t\t\t<input class=\"srfm-input-common srfm-input-email\" type=\"email\" name=\"srfm-email-80af9bb9-lbl-RW1haWw-email\" id=\"srfm-email-80af9bb9-lbl-RW1haWw\"\n\t\t\t\t\t\taria-describedby='srfm-error-80af9bb9'\t\t\t\t\t\tdata-required=\"true\" aria-required=\"true\" data-unique=\"false\" value=\"\"   \/>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t<div class=\"srfm-error-wrap\">\n\t\t\t\t\t\t\t\t\t\t\t<div class=\"srfm-error-message\" data-srfm-id=\"srfm-error-80af9bb9\" data-error-msg=\"This field is required.\" data-unique-msg=\"Value needs to be unique.\">\n\t\t\t\t\t\t\u3053\u306e\u30d5\u30a3\u30fc\u30eb\u30c9\u306f\u5fc5\u9808\u3067\u3059\u3002.\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t\n\n\t\t<div data-block-id=\"0c6821ab\" class=\"srfm-block-single srfm-block srfm-phone-block srf-phone-0c6821ab-block srfm-block-width-50\">\n\t\t\t\t\t\t\t\t<label id=\"srfm-label-0c6821ab-lbl-UGhvbmUgTnVtYmVy\" for=\"srfm-phone-0c6821ab-lbl-UGhvbmUgTnVtYmVy\" class=\"srfm-block-label\">\n\t\t\t\t\t\t\u96fb\u8a71\u756a\u53f7\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"srfm-required\" aria-hidden=\"true\"> *<\/span>\n\t\t\t\t\t\t\t\t\t\t\t<\/label>\n\t\t\t\t\t\t\t\t\t\t\t<div class=\"srfm-block-wrap\">\n\t\t\t\t<input type=\"tel\"\n\t\t\t\t\tclass=\"srfm-input-common srfm-input-phone\"\n\t\t\t\t\tname=\"srfm-phone-0c6821ab-lbl-UGhvbmUgTnVtYmVy-phone-number\"\n\t\t\t\t\tid=\"srfm-phone-0c6821ab-lbl-UGhvbmUgTnVtYmVy\"\n\t\t\t\t\taria-describedby='srfm-error-0c6821ab'\t\t\t\t\tdata-required=\"true\"\n\t\t\t\t\taria-required=\"true\"\n\t\t\t\t\tdefault-country=\"us\"\n\t\t\t\t\t\t\t\t\t\t\tdata-auto-country=\"true\"\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\tvalue=\"\"\n\t\t\t\t\t\t\t\t\t\tdata-unique=\"false\">\n\t\t\t<\/div>\n\t\t\t<div class=\"srfm-error-wrap\">\n\t\t\t\t\t\t\t\t\t<div class=\"srfm-error-message\" data-srfm-id=\"srfm-error-0c6821ab\" data-error-msg=\"This field is required.\" data-unique-msg=\"Value needs to be unique.\">\n\t\t\t\t\t\t\u3053\u306e\u30d5\u30a3\u30fc\u30eb\u30c9\u306f\u5fc5\u9808\u3067\u3059\u3002.\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\n\n\t\t\t<div data-block-id=\"b05f96f8\" class=\"srfm-block-single srfm-block srfm-upload-block srf-upload-b05f96f8-block srfm-block-width-100\">\n\t\t\t\t\t\t\t\t\t<label id=\"srfm-label-b05f96f8\" for=\"srfm-upload-b05f96f8\" class=\"srfm-block-label\">\n\t\t\t\t\t\tUpload\t\t\t\t\t\t\t\t\t\t\t<\/label>\n\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"srfm-block-wrap\">\n\t\t\t\t\t<span class=\"srfm-icon srfm-upload-icon\" aria-hidden=\"true\"><svg width='24' height='24' viewbox='0 0 24 24' fill='none' xmlns='http:\/\/www.w3.org\/2000\/svg'><path d='M21 15V19C21 19.5304 20.7893 20.0391 20.4142 20.4142C20.0391 20.7893 19.5304 21 19 21H5C4.46957 21 3.96086 20.7893 3.58579 20.4142C3.21071 20.0391 3 19.5304 3 19V15' stroke='#1E1E1E' stroke-opacity='0.65' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'\/><path d='M17 8L12 3L7 8' stroke='#1E1E1E' stroke-opacity='0.65' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'\/><path d='M12 3V15' stroke='#1E1E1E' stroke-opacity='0.65' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'\/><\/svg><\/span>\t\t\t\t\t<div class=\"srfm-upload-wrap\">\n\t\t\t\t\t\t<input class=\"srfm-upload-size\" value=\"10\" type=\"hidden\" \/>\n\t\t\t\t\t\t<label class=\"srfm-classic-upload-label\">\n\t\t\t\t\t\t\tClick to upload or drag and drop\t\t\t\t\t\t<\/label>\n\t\t\t\t\t\t<input\n\t\t\t\t\t\t\tid=\"srfm-upload-b05f96f8\"\n\t\t\t\t\t\t\tclass=\"srfm-input-upload\"\n\t\t\t\t\t\t\tname=\"srfm-upload-b05f96f8-lbl-VXBsb2Fk-srfm-upload[]\"\n\t\t\t\t\t\t\ttype=\"file\"\n\t\t\t\t\t\t\t\t\t\t\t\t\t\taria-describedby='srfm-error-b05f96f8'\t\t\t\t\t\t\tdata-required=\"false\"\n\t\t\t\t\t\t\taria-required=\"false\"\n\t\t\t\t\t\t\taccept=\".jpg, .jpeg, .gif, .png, .pdf\"\n\t\t\t\t\t\t>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"srfm-upload-data\"><\/div>\n\t\t\t\t<div class=\"srfm-error-wrap\">\t\t\t\t\t<div class=\"srfm-error-message\" data-srfm-id=\"srfm-error-b05f96f8\" data-error-msg=\"This field is required.\">\n\t\t\t\t\t\t\u3053\u306e\u30d5\u30a3\u30fc\u30eb\u30c9\u306f\u5fc5\u9808\u3067\u3059\u3002.\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t<\/div>\n\t\t\n\n\t\t<div data-block-id=\"fabb13d5\" class=\"srfm-block-single srfm-block srfm-textarea-block srf-textarea-fabb13d5-block  srfm-block-width-100\">\n\t\t\t\t\t\t\t\t<label id=\"srfm-label-fabb13d5-lbl-WW91ciBNZXNzYWdl-4545\" for=\"srfm-textarea-fabb13d5-lbl-WW91ciBNZXNzYWdl-4545\" class=\"srfm-block-label\">\n\t\t\t\t\t\t\u3042\u306a\u305f\u306e\u30e1\u30c3\u30bb\u30fc\u30b8\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"srfm-required\" aria-hidden=\"true\"> *<\/span>\n\t\t\t\t\t\t\t\t\t\t\t<\/label>\n\t\t\t\t\t\t\t\t\t\t\t<div class=\"srfm-block-wrap\">\n\t\t\t\t<textarea\n\t\t\t\t\tclass=\"srfm-input-common srfm-input-textarea\"\n\t\t\t\t\tname=\"srfm-textarea-fabb13d5-lbl-WW91ciBNZXNzYWdl-your-message\"\n\t\t\t\t\tid=\"srfm-textarea-fabb13d5-lbl-WW91ciBNZXNzYWdl-4545\"\n\t\t\t\t\taria-describedby='srfm-error-fabb13d5'\t\t\t\t\tdata-required=\"true\" aria-required=\"true\"  rows=\"4\"  \t\t\t\t\t\t\t\t\t\t\t\t\t\t\t><\/textarea>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t<div class=\"srfm-error-wrap\">\n\t\t\t\t\t\t\t\t\t<div class=\"srfm-error-message\" data-srfm-id=\"srfm-error-fabb13d5\" data-error-msg=\"This field is required.\">\n\t\t\t\t\t\t\u3053\u306e\u30d5\u30a3\u30fc\u30eb\u30c9\u306f\u5fc5\u9808\u3067\u3059\u3002.\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t<\/div>\n\n\t\t\t\t\t\t\t\n\t\t\t\t\t\n\t\t\t\t\t<div class=\"srfm-submit-container\" style=\"\">\n\t\t\t\t\t\t<div style=\"width: ; text-align: left\" class=\"wp-block-button\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<button style=\"\" id=\"srfm-submit-btn\" class=\"srfm-btn-frontend srfm-button srfm-submit-button\"\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t>\n\t\t\t\t\t\t\t\t<div class=\"srfm-submit-wrap\">\n\t\t\t\t\t\t\t\t\t\u6295\u7a3f\u3059\u308b\t\t\t\t\t\t\t\t<div class=\"srfm-loader\"><\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<\/button>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<p id=\"srfm-error-message\" class=\"srfm-common-error-message srfm-error-message srfm-footer-error\" hidden>\t\t<span class=\"srfm-icon\" aria-hidden=\"true\">\n\t\t\t<svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20\" height=\"20\" fill=\"none\"><path d=\"M9.99935 18.3327C14.6017 18.3327 18.3327 14.6017 18.3327 9.99935C18.3327 5.39698 14.6017 1.66602 9.99935 1.66602C5.39698 1.66602 1.66602 5.39698 1.66602 9.99935C1.66602 14.6017 5.39698 18.3327 9.99935 18.3327Z\" stroke=\"currentColor\" stroke-width=\"1.5\" stroke-linecap=\"round\" stroke-linejoin=\"round\" \/><path d=\"M10 6.66602V9.99935\" stroke=\"currentColor\" stroke-width=\"1.5\" stroke-linecap=\"round\" stroke-linejoin=\"round\" \/><path d=\"M10 13.334H10.0083\" stroke=\"currentColor\" stroke-width=\"1.5\" stroke-linecap=\"round\" stroke-linejoin=\"round\" \/><\/svg>\t\t<\/span>\n\t\t<span class=\"srfm-error-content\">\u30d5\u30a9\u30fc\u30e0\u3092\u9001\u4fe1\u3057\u3088\u3046\u3068\u3057\u3066\u30a8\u30e9\u30fc\u304c\u767a\u751f\u3057\u307e\u3057\u305f\u3002\u3082\u3046\u4e00\u5ea6\u304a\u8a66\u3057\u304f\u3060\u3055\u3044\u3002.<\/span><\/p>\n\t\t\t\t\t<input type=\"hidden\" name=\"trp-form-language\" value=\"ja\"\/><\/form>\n\t\t\t<div class=\"srfm-single-form srfm-success-box in-page\">\n\t\t\t\t<div aria-live=\"polite\" aria-atomic=\"true\" role=\"alert\" id=\"srfm-success-message-page-305\" class=\"srfm-success-box-description\"><\/div>\n\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t<\/div>\n<\/section>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>Mold Material Guide Mold Material Customization for Precision Tooling Compare tool steels, aluminum alloys, beryllium copper, tungsten carbide, and additively [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"rop_custom_images_group":[],"rop_custom_messages_group":[],"rop_publish_now":"initial","rop_publish_now_accounts":{"facebook_846085238273622_899381133262461":""},"rop_publish_now_history":[],"rop_publish_now_status":"pending","site-sidebar-layout":"no-sidebar","site-content-layout":"","ast-site-content-layout":"full-width-container","site-content-style":"unboxed","site-sidebar-style":"unboxed","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"disabled","ast-breadcrumbs-content":"","ast-featured-img":"disabled","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"enabled","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center 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