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Tool Steel Products list
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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. |
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