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Comparison Table of High-quality Mold Steel Names
Below is the comparison table of high-quality mold steel names for your check and reference! if you have any other questions, welcome to contact us!
Plastic Mold Steel (Pre-Hardened Steel)
DIN |
Recommended Hardness |
AISI |
Sweden |
Japan |
Austria |
Usage |
| 1.2311 | 29-33HRC | P20 | 718 | HPM7/PX5 | M202 | Commonly used pre-hardened mold steel, offering excellent polishability and texture performance, is suitable for general plastic molds, such as molds for office appliances and home appliance housings, automotive interior and exterior parts, and is also used as mold base material for long-life molds. |
| 1.2738HH | 34-38HRC | P20HH | 718HH | / | / | |
| 1.2738 | 28-32HRC | P20+Ni | 718 | HPM7/PX5 | M238 | |
| 1.2738H | 33-37HRC | P20+Ni | 718H | / | / | |
| 1.2738HH | 33-38HRC | P20HH | 718HH/618T | / | / | |
| 1.2738HH | 38-42HRC | P20HH | 718HH | NAK80 | M238 | |
| 1.2738ESR | 38-42HRC | P20HHESR | Nimax | NAK80 | M238 | Mirror-polish pre-hardened mold steel, designed for molds requiring mirror finishes and high-etch textures. |
| 1.2311 | 28-32HRC | P20 | 618 | HPM7/PX5 | M202 | Commonly used pre-hardened mold steel, with good polishability and texture performance, is suitable for general plastic molds. |
| 1.2312 | 28-32HRC | P20+S | 618S | HPM2 | M201 | Improved from 2311 with added sulfur (S), enhancing machinability, making it ideal for rubber molds and mold base materials. |
| 1.2738HH Mod. | 33-38HRC | P20Mod. | 718HH | PAC5000 | / | Modified from 2738, with more uniform hardness and improved polishability and texture performance, suitable for medium and large-sized molds. |
| 1.2738HH Mod. | 33-38HRC | P20Mod. | 718HH | PAC5000 | / | |
| 1.2711 | 35-38HRC | P20+1.7Ni | / | / | / | Compared to 2738, it offers higher hardness, strength, and superior polishing effects. Achieves mirror-polish effects, suitable for molds requiring high surface quality. |
| / | 35-40HRC | P20VAD+VAR | Nimax ESR | / | / | Achieves mirror-polish effects, suitable for molds requiring high surface quality. |
| 1.2796 | 38-42HRC | P21+VAR | Nimax | NAK80/HPM50 | / | |
| 1.2738 Mod | 33-38HRC | P20HH | 718HH/618T | / | / | |
| 1.2738 Mod | 38-42HRC | / | / | / | / | |
| / | 38-42HRC | P20ESR | Nimax | NAK80/HPM50 | / | Produced via ESR (Electroslag Remelting), achieving mirror-polish effects, ideal for molds requiring high surface quality. |
Plastic Mold Steel (Pre-Hardened Stainless Steel)
DIN |
Recommended Hardness |
AISI |
Sweden |
Japan |
Austria |
Usage |
| 1.2892 | 38-42HRC | 15-5PH/15-5SS | CORRAX | / | / | Exceptionally high purity, with super mirror-polishability and ultra-corrosion resistance, especially suitable for complex, large-sized stainless steel molds that cannot undergo heat treatment, such as those for car lights and LCD TV housings. |
| 1.2083 | 30-35HRC | 420H | / | / | / | 2083 pre-hardened, suitable for low-demand stainless steel molds. |
| 1.2085 Mod. | 30-36HRC | 420+S | Royalloy | HPM77/G-STAR | / | The preferred material for stainless steel mold bases, offering excellent machinability, dimensional stability, and corrosion resistance. |
| 1.2316 | 26-32HRC | 420Mod. | / | HPM38/PAK90 | M300 | Widely used for molds requiring corrosion resistance, such as profile extrusion molds, blow molds, cosmetic molds, and other general polishing applications, as well as mold bases for high-corrosion-resistant molds. |
Plastic Mold Steel (Quenched Stainless Steel)
DIN |
Recommended Hardness |
AISI |
Sweden |
Japan |
Austria |
Usage |
| 1.2083 | 46-52HRC | 420 | / | / | M310 | Suitable for plastic molds with corrosion resistance requirements but moderate polishing needs. |
| 1.2083ESR | 46-52HRC | 420ESR | S-136ESR(STAVAX) | HPM38/S-STAR | M310ESR | Molds with high corrosion resistance and mirror-polish requirements, such as those for optical products, food packaging, cosmetic containers, medical packaging, 3C electronic housings, and other high-demand products, widely used in injection molding of PVC, PP, PC, PMMA, POM, PBT, PA, and other plastics. |
| 1.2190ESR | 48-52HRC | 420ESR Mod. | / | / | ||
| 1.2190ESR+VAR | 48-52HRC | 420ESR+VAR | POLMAX | / | M333 | |
| 1.2083VAR | 48-52HRC | 420VAR | S136ESR | / | M310ESR |
Hot Work Tool Steel
DIN |
Recommended Hardness |
AISI |
Sweden |
Japan |
Austria |
Usage |
| 1.2343 | 46-52HRC | H11 | VIDAR | SKD61 | W301 | High toughness, suitable for medium and large-sized die-casting molds; also widely used for plastic molds, offering higher toughness and better polishability than H13-type materials. |
| 1.2343ESR | 46-52HRC | H11 ESR | VIDAR ESR | W301 ESR | ||
| 1.2344 | 46-52HRC | H13 | 8407-2M | SKD61/DAC DHA1/DAC10 | W302 | High hot hardness, suitable for high-demand die-casting molds; also widely used for long-life plastic molds. |
| 1.2344ESR | 46-52HRC | H13 ESR | 8407 | W302ESR | ||
| 1.2367ESR | 46-50HRC | H13+MO | DIVEAR | DAC55/DH31/KD01/MAX | W303ESR | Excellent hot hardness and thermal conductivity, effectively resisting erosion and heat cracking, especially suitable for small and medium-sized long-life metal die-casting molds and hot forging molds. |
| 1.2343Super | 42-52HRC | / | / | Combines high toughness and hot hardness, ideal for medium and large-sized high-demand die-casting molds. | ||
| 1.2344Super | 42-52HRC | H13ESU Mod. | / | / | Latest development in aluminum alloy molds, effectively delaying heat cracking. |
Cooling-Grade Stainless Steel
DIN |
Recommended Hardness |
AISI |
Sweden |
Japan |
Austria |
Usage |
| 1.2357 | 52-58HRC | S7 | 635(Calmax) | / | / | High strength, wear resistance, and toughness, suitable for complex-shaped cold stamping and extrusion molds, also commonly used for injection molds of plastic products with high glass fiber content. |
| 1.2767 | 50-54HRC | 6F7 | / | / | / | |
| 1.2510 | 54-60HR | O1 | DF-2 | SKS3/GOA/SGT | K460 | Good toughness and dimensional stability, used for cutting tools, stamping molds, and wear-resistant blocks in plastic molds. |
| 1.2842 | 56-60HRC | O2 | DF-3 | SKS93/YK30/YCS3 | K720 | |
| 1.2363 | 56-60HRC | A2 | XW-10 | SKD12 | / | Excellent toughness and wear resistance, used for high-toughness mold components in connector molds and high-speed stamping punches, as well as wear-resistant plastic molding molds. |
| 1.2360 | 56-60HRC | / | VIKING | / | / | High strength, wear resistance, and toughness, suitable for complex-shaped cold stamping and extrusion molds, also commonly used for injection molds of plastic products with high glass fiber content. |
| 1.2379 | 56-60HRC | D2 | XW-41/42 | SKD11/SLD/DC11 | K110 | High wear resistance, suitable for precision stamping molds, drawing molds, curling molds, and templates with high wear resistance requirements. |
| 1.2436 | 58-62HRC | D6 | XW-5 | SKD2 | K107 | Extremely high wear resistance, ideal for cold stamping molds, especially for thin sheet materials like silicon steel sheets. |
| 1.2990 | 56-62HRC | Super D2 | ASSAB88 | DC53 | K340 | Combines extremely high wear resistance and toughness, used for high-speed stamping punches, high-toughness mold components in connector molds, and wear-resistant plastic molding molds. |
| 1.3343 | 58-64HRC | M2 | EM2 | SKH51/MH51 | S600 | Tungsten-based traditional high-speed steel, suitable for high-speed stamping molds and cutting tools. |
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