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    Tool Steel Products list
| 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 | |||||
| DHA-WORLD | SKD61 mod.  | 
                                            H13 mod.  | 
                                            1.2344 mod.  | 
                                            ・High hardenability & toughness | |||||||
| DHA-GIGA | SKD61 mod.  | 
                                            H13 mod.  | 
                                            1.2344 mod.  | 
                                            ・Extra-large die-casting die steel | |||||||
| 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. | |||||||
| 
                                              Hot- Forging Die Steel  | 
                                            GFA | SKT4 mod.  | 
                                            L6 mod.  | 
                                            1.2714 mod.  | 
                                            ・Especially for hammer forging | ||||||
| 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 | |||||
| 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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