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Tool Steel Products list
We can provide deep engineering support for global customers with our diversified products and technical service.
Please refer to following links for more details such as brochures and technical documents.
Grade |
Brand name |
Equivalent standard | Characteristics | Main applications | |||||||
JIS | AISI | WNr. |
Hot- Forming |
Die- Casting |
Hot Stamping |
Cold- Forming |
Plastic mold |
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Hot Work Tool Steel |
Type H13 & Modified (5Cr) Single melted |
DHA1 | SKD61 | H13 eq. |
1.2344 eq. |
・General-purpose hot work die steel |
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DHA-WORLD | SKD61 mod. |
H13 mod. |
1.2344 mod. |
・High hardenability & toughness |
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DH2F | SKD61 mod. |
H13 mod. |
1.2344 mod. |
・40HRC Pre-hardened steel ・Easy machining |
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Type H13 & 2367 modified (5Cr) Remelted |
DHA1-A | SKD61 | H13 eq. |
1.2344 eq. |
・Remelted steel of DHA1 | ||||||
DH31-EX | - | - |
1.2367 mod. |
・High hardenability & toughness ・High strength at elevated temp. |
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Type SKD7 (3Cr-3Mo) |
DH71 | SKD7 mod. |
- | - | ・High softening resistance | ||||||
DH32 | SKD7 mod. |
- | - |
・High strength at elevated temp. |
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Hot- Forging Die Steel |
GFA | SKT4 mod. |
L6 mod. |
1.2714 mod. |
・Especially for hammer forging |
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GF78 | - | - | - |
・40HRC Pre-hardened steel ・High strength at elevated temp. |
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High Thermal Conductivity Steel |
DHA-Thermo | - | - | - | ・High thermal conductivity | ||||||
Hot Stamping Die Steel |
DHA-HS1 | - | - | - |
・High thermal conductivity & High softening resistance ・Dedicated steel for hot stamping dies |
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Cold Work Tool Steel |
Type D2 & Original Cold Work Die Steel |
DC11 | SKD11 | D2 eq. |
1.2379 eq. |
・General-purpose cold work die steel |
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DC53 | - | - | - |
・8Cr-2Mo type ・High hardness & toughness |
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DCMX | - | - | - |
・Matrix type cold work die steel ・High toughness, easy machining & small dimensional change |
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Alloy Tool Steel |
YK30 | SKS93 | W5 mod. |
- | ・Oil hardening steel | ||||||
GOA | SKS3 mod. |
1.2510 mod. |
O1 mod. |
・Oil hardening steel | |||||||
GO4 | - | - | - | ・Air hardening Steel | |||||||
GO5 | - | - | - | ・Flame hardening Steel | |||||||
GO40F | - | - | - |
・40HRC Pre-hardened steel ・Easy machining |
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Plastic Mold Steel |
Type P20 modified |
PX4, PX5 | - | P20 mod. |
1.2330 mod. |
・30HRC Pre-hardened steel | |||||
PAC5000 | - | P20 mod. |
1.2311 mod. |
・40HRC Pre-hardened steel ・High hardness |
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NAK series | NAK55 | - | P21 mod. |
- |
・40HRC Precipitation hardening steel ・Easy machining |
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NAK80 | - | P21 mod. |
- |
・40HRC Precipitation hardening steel ・High mirror-finish |
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NAK86K | - | - | - |
・38HRC Pre-hardened steel ・High mirror-finish ・Excellent corrosion resistance |
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NAK101 | SUS630 mod. |
630 mod. |
1.4542 mod. |
・33HRC Pre-hardened steel ・High corrosion resistance |
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Hardened & Tempered type |
PD613 | - | - | - |
・High hardness & wear resistance ・High mirror-finish |
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Stainless Steel |
G-STAR | SUS420F mod. |
420F mod. |
1.4029 mod. |
・Easy machining | ||||||
S-STAR | SUS420J2 mod. | 420 mod. |
1.4028 mod. |
・Remelted steel ・High mirror-finish |
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Maraging Steel |
MAS1C | - | - | 1.2709 mod. |
・High toughness & strength | ||||||
High Speed Tool Steel Matrix Type |
DRM1 | - | - | - |
・High toughness ・Maximum hardness 58HRC |
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DRM2 | - | - | - |
・High hardness & toughness ・Maximum hardness 62HRC |
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DRM3 | - | - | - |
・High hardenability ・Maximum hardness 66HRC |
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Powder Metallurgy High Speed Tool Steel |
DEX20 | - | - | - | ・High toughness | ||||||
DEX40 | SKH40 | - | - |
・High toughness ・High strength at elevated temp. |