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| C(%) | V(%) | Si(%) | Mn(%) | P(%) | S(%) | Cr(%) | W(%) | Mo(%) | 0.8-0.9 | 0.8-0.9 | 0.8-0.9 | 0.8-0.9 | 0.8-0.9 | 0.8-0.9 | 0.8-0.9 | 0.8-0.9 | 0.8-0.9 | 0.8-0.9 |
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High Speed Tool Steels
| Steel Type | Country Code | C(%) | V(%) | Si(%) | Mn(%) | P(%) | S(%) | Cr(%) | W(%) | ≦0.03 | 3.8-4.5 | 5.9-6.7 | SKH56 | CNS | 0.85-0.96 | 1.7-2.1 | ≦0.4 | ≦0.4 | ≦0.03 | ≦0.03 | 3.8-4.5 | 5.9-6.7 | W6Mo5Cr-4V2Co5 | GB | 0.8-0.9 | 1.75-2.25 | 0.20-0.45 | 0.15-0.40 | ≦0.03 | ≦0.03 | 3.8-4.5 | 5.9-6.7 | SKH56 | JIS | 0.85-0.96 | 1.7-2.1 | ≦0.4 | ≦0.4 | ≦0.03 | ≦0.03 | 3.8-4.5 | 5.9-6.7 | M36 | ASTM | 0.8-0.9 | 1.75-2.25 | 0.20-0.45 | 0.15-0.40 | ≦0.03 | ≦0.03 | 3.8-4.5 | 5.9-6.7 |
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| M3-2 | T5 | SKH55 | SKH53 | W18Cr4V | SKH4 | SKH57 | SKH58 | M7 | CW6Mo5-Cr4V3 | SKH58 | SKH55 | SKH56 | SKH54 | M2 | S 18-1-2-10 | SKH59 | SKH52 | SKH52 |
| 50Cr | Class B | Y104(YZAlSi10Mg) | SCr440 | 20CrNi3 | SCr445 | AZ31C | AC41A | LF5 | C2600 |