| Steel grade | Standard | Application |
|---|---|---|
| SKH57 | JIS | W-phase system high-speed tool steel |
| SKH56 | JIS | W-phase system high-speed tool steel |
| SKH55 | JIS | W-phase system high-speed tool steel |
| SKH54 | JIS | W-phase system high-speed tool steel |
| SKH53 | JIS | W-phase system high-speed tool steel |
| SKH52 | JIS | W-phase system high-speed tool steel |
| SKH51 | JIS | W-phase system high-speed tool steel |
| SKH50 | JIS | W-phase system high-speed tool steel |
| SKH40 | JIS | Powder metallurgy high-speed tool steel |
| SKH10 | JIS | Tungsten series high speed tool steel |
| SKH4 | JIS | Tungsten series high speed tool steel |
| SKH3 | JIS | Tungsten series high speed tool steel |
| SKH2 | JIS | Tungsten series high speed tool steel |
| SKT6 | JIS | Hot-work die steel |
| SKT4 | JIS | Hot-work die steel |
| SKT3 | JIS | Hot-work die steel |
| SKD8 | JIS | Hot-work die steel |
| SKD7 | JIS | Hot-work die steel |
| SKD62 | JIS | Hot-work die steel |
| SKD61 | JIS | Hot-work die steel |
| SKD6 | JIS | Hot-work die steel |
| SKD5 | JIS | Hot-work die steel |
| SKD4 | JIS | Hot-work die steel |
| SKD12 | JIS | Cold Work Die Steel |
| SKD11 | JIS | Cold Work Die Steel |
| SKD10 | JIS | Cold Work Die Steel |
| SKD2 | JIS | Cold Work Die Steel |
| SKD1 | JIS | Cold Work Die Steel |
| SKS95 | JIS | Cold Work Die Steel |
| SKS94 | JIS | Cold Work Die Steel |
| SKS93 | JIS | Cold Work Die Steel |
| SKS31 | JIS | Cold Work Die Steel |
| SKS3 | JIS | Cold Work Die Steel |
| SKS44 | JIS | shock-resistant steel |
| SKS43 | JIS | shock-resistant steel |