| Steel Type | Country Code | C(%) | V(%) | Si(%) | Mn(%) | P(%) | S(%) | Cr(%) | W(%) | S 6-5-2 | DIN | 0.86-0.94 | 1.7-2.0 | ≦0.45 | ≦0.4 | ≦0.03 | ≦0.03 | 3.8-4.5 | 6.0-6.7 | SKH52 | CNS | 1.0-1.1 | 2.3-2.6 | ≦0.45 | ≦0.4 | ≦0.03 | ≦0.03 | 3.8-4.5 | 5.5-6.7 | W6Mo5-Cr4V3 | GB | 1.0-1.1 | 2.25-2.75 | ≦0.45 | 0.15-0.40 | ≦0.03 | ≦0.03 | 3.75-4.50 | 5.00-6.75 | SKH52 | JIS | 1.0-1.1 | 2.3-2.6 | ≦0.45 | ≦0.4 | ≦0.03 | ≦0.03 | 3.8-4.5 | 5.5-6.7 | M3-1 | ASTM | 1.0-1.1 | 2.25-2.75 | 0.20-0.45 | 0.15-0.40 | ≦0.03 | ≦0.03 | 3.75-4.50 | 5.00-6.75 | S 6-5-3 | DIN | 1.17-1.27 | 2.7-3.2 | ≦0.45 | ≦0.4 | ≦0.03 | ≦0.03 | 3.8-4.5 | 6.0-6.7 | SKH53 | CNS | 1.10-1.25 | 2.7-3.2 | ≦0.45 | ≦0.4 | ≦0.03 | ≦0.03 | 3.8-4.5 | 5.5-6.5 | CW6Mo5-Cr4V3 | GB | 1.15-1.25 | 2.75-3.25 | 0.2-0.4 | 0.15-0.4 | ≦0.03 | ≦0.03 | 3.75-4.5 | 5.0-6.75 | SKH53 | JIS | 1.10-1.25 | 2.7-3.2 | ≦0.45 | ≦0.4 | ≦0.03 | ≦0.03 | 3.8-4.5 | 5.5-6.5 | M3-2 | ASTM | 1.15-1.25 | 2.75-3.25 | 0.20-0.45 | 0.15-0.40 | ≦0.03 | ≦0.03 | 3.75-4.50 | 5.00-6.75 | SKH54 | CNS | 1.25-1.40 | 3.7-4.2 | ≦0.45 | ≦0.4 | ≦0.03 | ≦0.03 | 3.8-4.5 | 5.2-6.0 | SKH54 | JIS | 1.25-1.40 | 3.7-4.2 | ≦0.45 | ≦0.4 | ≦0.03 | ≦0.03 | 3.8-4.5 | 5.2-6.0 | M4 | ASTM | 1.25-1.40 | 3.75-4.50 | 0.20-0.45 | 0.15-0.40 | ≦0.03 | ≦0.03 | 3.75-4.70 | 5.25-6.50 | SKH55 | CNS | 0.85-0.95 | 1.7-2.1 | ≦0.45 | ≦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 | 3.75-4.50 | 5.5-6.5 | SKH55 | JIS | 0.85-0.95 | 1.7-2.1 | ≦0.45 | ≦0.4 | ≦0.03 | ≦0.03 | 3.8-4.5 | 5.9-6.7 | S 6-5-2-5 | DIN | 0.88-0.96 | 1.7-2.0 | ≦0.45 | ≦0.4 | ≦0.03 | ≦0.03 | 3.8-4.5 | 6.0-6.7 | 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 | 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 | 3.75-4.00 | 5.5-6.5 | SKH57 | CNS | 1.20-1.35 | 3.0-3.5 | ≦0.4 | ≦0.4 | ≦0.03 | ≦0.03 | 3.8-4.5 | 9.0-10.0 | SKH57 | JIS | 1.20-1.35 | 3.0-3.5 | ≦0.4 | ≦0.4 | ≦0.03 | ≦0.03 | 3.8-4.5 | 9.0-10.0 | S 10-4-3-10 | DIN | 1.20-1.35 | 3.0-3.5 | ≦0.45 | ≦0.4 | ≦0.03 | ≦0.03 | 3.8-4.5 | 9.0-10.0 | SKH58 | CNS | 0.95-1.05 | 1.7-2.2 | ≦0.7 | ≦0.4 | ≦0.03 | ≦0.03 | 3.5-4.5 | 1.5-2.1 | W2Mo9-Cr4V2 | GB | 0.97-1.05 | 1.75-2.25 | 0.2-0.55 | 0.15-0.4 | ≦0.03 | ≦0.03 | 3.5-4.0 | 1.4-2.1 | SKH58 | JIS | 0.95-1.05 | 1.7-2.2 | ≦0.5 | ≦0.4 | ≦0.03 | ≦0.03 | 3.5-4.5 | 1.5-2.1 | M7 | ASTM | 0.97-1.05 | 1.75-2.25 | 0.20-0.55 | 0.15-0.40 | ≦0.03 | ≦0.03 | 3.75-4.50 | 1.4-2.1 | S 2-9-2 | DIN | 0.97-1.07 | 1.8-2.2 | ≦0.45 | ≦0.4 | ≦0.03 | ≦0.03 | 3.5-4.2 | 1.5-2.0 | SKH59 | CNS | 1.05-1.15 | 0.9-1.3 | ≦0.7 | ≦0.4 | ≦0.03 | ≦0.03 | 3.5-4.5 | 1.2-1.9 | W2Mo9Cr-4VCo8 | GB | 1.05-1.15 | 0.95-1.35 | 0.15-0.65 | 0.15-0.40 | ≦0.03 | ≦0.03 | 3.50-4.25 | 1.15-1.85 | SKH59 | JIS | 1.05-1.15 | 0.9-1.3 | ≦0.7 | ≦0.4 | ≦0.03 | ≦0.03 | 3.5-4.5 | 1.2-1.9 | M42 | ASTM | 1.05-1.15 | 0.95-1.35 | 0.15-0.65 | 0.15-0.40 | ≦0.03 | ≦0.03 | 3.50-4.25 | 1.15-1.85 | S 2-10-1-8 | DIN | 1.05-1.12 | 1.0-1.3 | ≦0.45 | ≦0.4 | ≦0.03 | ≦0.03 | 3.6-4.4 | 1.2-1.8 | W7Mo4Cr4-V2Co5 | GB | 1.05-1.15 | 1.75-2.25 | 0.15-0.5 | 0.2-0.6 | ≦0.03 | ≦0.03 | 3.75-4.5 | 6.25-7.0 | M41 | ASTM | 1.05-1.15 | 1.75-2.25 | 0.15-0.2 | 0.2-0.6 | ≦0.03 | ≦0.03 | 3.75-4.5 | 6.25-7.0 | S 7-4-2-5 | DIN | 1.05-1.15 | 1.7-1.9 | ≦0.45 | ≦0.4 | ≦0.03 | ≦0.03 | 3.8-4.5 | 6.6-7.1 | SKH2 | CNS | 0.73-0.83 | 1.0-1.2 | ≦0.4 | ≦0.4 | ≦0.03 | ≦0.03 | 3.8-4.5 | 17.0-18.7 | W18Cr4V | GB | 0.7-0.8 | 1.0-1.4 | 0.2-0.4 | 0.1-0.4 | ≦0.03 | ≦0.03 | 3.8-4.4 | 17.5-19.0 | SKH2 | JIS | 0.73-0.83 | 1.0-1.2 | ≦0.4 | ≦0.4 | ≦0.03 | ≦0.03 | 3.8-4.5 | 17.0-18.7 | T1 | ASTM | 0.65-0.80 | 0.9-1.3 | 0.2-0.4 | 0.1-0.4 | ≦0.03 | ≦0.03 | 3.75-4.50 | 17.25-18.75 | S 18-0-1 | DIN | 0.70-0.78 | 1.0-1.2 | ≦0.45 | ≦0.4 | ≦0.03 | ≦0.03 | 3.8-4.4 | 17.5-18.5 | SKH3 | CNS | 0.73-0.83 | 0.8-1.2 | ≦0.4 | ≦0.4 | ≦0.03 | ≦0.03 | 3.8-4.5 | 17.0-19.0 | W18Cr4-V5Co5 | GB | 0.7-0.8 | 0.8-1.2 | 0.2-0.4 | 0.1-0.4 | ≦0.03 | ≦0.03 | 3.75-4.50 | 17.5-19.0 | SKH3 | JIS | 0.73-0.83 | 0.8-1.2 | ≦0.4 | ≦0.4 | ≦0.03 | ≦0.03 | 3.8-4.5 | 17.0-19.0 | T4 | ASTM | 0.7-0.8 | 0.8-1.2 | 0.2-0.4 | 0.1-0.4 | ≦0.03 | ≦0.03 | 3.75-4.50 | 17.5-19.0 | S 18-1-2-5 | DIN | 0.75-0.83 | 1.4-1.7 | ≦0.45 | ≦0.04 | ≦0.03 | ≦0.03 | 3.8-4.5 | 17.5-18.5 | SKH4 | CNS | 0.73-0.83 | 1.0-1.5 | ≦0.4 | ≦0.4 | ≦0.03 | ≦0.03 | 3.8-4.5 | 17.0-19.0 | W18Cr4-V2Co8 | GB | 0.75-0.85 | 1.8-2.4 | 0.2-0.4 | 0.2-0.4 | ≦0.03 | ≦0.03 | 3.75-5.00 | 17.5-19.0 | SKH4 | JIS | 0.73-0.83 | 1.0-1.5 | ≦0.4 | ≦0.4 | ≦0.03 | ≦0.03 | 3.8-4.5 | 17.0-19.0 | T5 | ASTM | 0.75-0.85 | 1.8-2.4 | 0.2-0.4 | 0.2-0.4 | ≦0.03 | ≦0.03 | 3.75-5.00 | 17.5-19.0 | S 18-1-2-10 | DIN | 0.72-0.80 | 1.4-1.7 | ≦0.45 | ≦0.4 | ≦0.03 | ≦0.03 | 3.8-4.5 | 17.5-18.5 | SKH10 | CNS | 1.45-1.60 | 4.2-5.2 | ≦0.45 | ≦0.4 | ≦0.03 | ≦0.03 | 3.8-4.5 | 11.5-13.5 | W12Cr4-V5Co5 | GB | 1.5-1.6 | 4.50-5.25 | ≦0.4 | 0.15-0.40 | ≦0.03 | ≦0.03 | 3.75-5.00 | 11.75-13.00 | SKH10 | JIS | 1.45-1.60 | 4.2-5.2 | ≦0.45 | ≦0.4 | ≦0.03 | ≦0.03 | 3.8-4.5 | 11.5-13.5 | T15 | ASTM | 1.5-1.6 | 4.50-5.25 | 0.15-0.40 | 0.15-0.40 | ≦0.03 | ≦0.03 | 3.75-5.00 | 11.75-13.00 | S 12-1-4-5 | DIN | 1.30-1.45 | 3.5-4.0 | ≦0.45 | ≦0.4 | ≦0.03 | ≦0.03 | 3.8-4.5 | 11.5-12.5 | SKH9 | CNS | W6Mo5-Cr4V2 | GB | 0.8-0.9 | 1.75-2.20 | 0.2-0.4 | 0.15-0.40 | ≦0.03 | ≦0.03 | 3.8-4.4 | 5.50-6.75 | SKH9 | JIS |
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