Grade comparison
Grade comparison is for reference; standards and delivery requirements must be confirmed separately. A dash means not provided.
| Type | China GB | Japan JIS | USA ASTM | Germany DIN | Sweden ASSAB | Korea KS |
|---|---|---|---|---|---|---|
| Pre-hardened Plastic Mold | 3Cr2MnNiMo | — | P20+Ni | 1.2738 | 718H | HP4MA |
| General HSS | W6Mo5Cr4V2 | SKH51 | M2 | 1.3343 | HSP-41 | SKH51 |
| General Hot Work (H13) | 4Cr5MoSiV1 | SKD61 | H13 | 1.2344 | 8407 | STD61 |
| High C High Cr (Cr12 type) | Cr12 | SKD1 | D3 | 1.2080 | XW-5 | STD1 |
| General Plastic Mold | 3Cr2Mo | — | P20 | 1.2311 | 618 | HP4A |
| General Hot Work (H11) | 4Cr5MoSiV | SKD6 | H11 | 1.2343 | — | STD6 |
| High C High Cr (Cr12MoV type) | Cr12MoV | SKD11 | D2 | 1.2379 | XW-41 | STD11 |
| Cobalt HSS | W6Mo5Cr4V2Co5 | SKH55 | M35 | 1.3243 | HSP-42 | SKH55 |
| Premium Hot Work | 4Cr5MoSiV1(mod) | SKD61(mod) | H13(mod) | 1.2344(mod) | 8407 Supreme | STD61 |
| High C High Cr Cold Work | Cr12Mo1V1 | — | D2 | 1.2379 | XW-42 | STD12 |
| Corrosion Resistant Mirror | 4Cr13 | SUS420J2 | 420 | 1.2083 | S-136 | STS420J2 |
| High Co Super HSS | W2Mo9Cr4VCo8 | SKH59 | M42 | 1.3247 | HSP-15 | SKH59 |
| Age Hardening Mold Steel | 1Ni3Mn2CuAl | — | — | — | NAK80 | HAM10 |
| High Mo Hot Work | — | — | — | 1.2367 | 8418 | — |
| High C Co HSS | — | SKH52 | M51 | 1.3207 | — | SKH52 |
| W-type High Cr Cold Work | — | — | — | 1.2436 | — | — |
| Tungsten Hot Work | 3Cr2W8V | SKD5 | H21 | 1.2581 | — | STD5 |
| High Hardness Mirror | — | — | 420(mod) | 1.2083 Esr | S-136 Supreme | — |
| Tungsten HSS | W18Cr4V | SKH2 | T1 | 1.3355 | HSP-11 | SKH2 |
| Mo-V High Cr Cold Work | — | — | — | 1.2601 | — | — |
| Improved Cold Work (DC53) | Cr8Mo2SiV | DC53 | — | — | — | — |
| Manganese Hot Work | 5CrMnMo | SKT4 | — | 1.2721 | — | STF4 |
| PM HSS | — | — | PM-T15 | — | VANADIS 23 | — |
| Medium C Cold Work (A2) | Cr5Mo1V | SKD12 | A2 | 1.2363 | XW-10 | STD12 |
| PM HSS | — | — | PM-M4 | — | VANADIS 60 | — |
| Ni-Cr-Mo Hot Work | 5CrNiMo | SKT4 | L6 | 1.2714 | — | STF4 |
| Oil Quenching (O1 type) | 9CrWMn | SKS3 | O1 | 1.2510 | DF-2 | STS3 |
| Martensitic Stainless | 4Cr13 | SUS420J2 | 420 | 1.2083 | S-136 | STS420J2 |
| High Wear Resistance (M2) | W6Mo5Cr4V2 | SKH51 | M2 | 1.3343 | HSP-41 | SKH51 |
| PM Cold Work Steel | — | — | PM-M4 | — | VANADIS 4 | — |