Steel Type Standard Country Code C(%) V(%) Si(%) Mn(%) P(%) S(%) Cr(%)
40CrMoV4-7 17240 DIN 0.35-0.45 0.25-0.35 0.20-0.35 0.45-0.70 ≦0.04 ≦0.04 0.8-1.2
SNB21-1 G4108 JIS 0.36-0.44 0.25-0.35 0.20-0.35 0.45-0.70 ≦0.025 ≦0.025 0.80-1.15
Gr.B21-1 A540 ASTM 0.36-0.44 0.25-0.35 0.15-0.35 0.45-0.70 ≦0.025 ≦0.025 0.80-1.15
SNB21-2 G4108 JIS 0.36-0.44 0.25-0.35 0.20-0.35 0.45-0.70 ≦0.025 ≦0.025 0.80-1.15
Gr.B21-2 A540 ASTM 0.36-0.44 0.25-0.35 0.15-0.35 0.45-0.70 ≦0.025 ≦0.025 0.80-1.15
SNB21-3 G4108 JIS 0.36-0.44 0.25-0.35 0.20-0.35 0.45-0.70 ≦0.025 ≦0.025 0.80-1.15
Gr.B21-3 A540 ASTM 0.36-0.44 0.15-0.35 0.45-0.70 ≦0.025 ≦0.025 0.80-1.15
SNB21-4 G4108 JIS 0.36-0.44 0.25-0.35 0.20-0.35 0.45-0.70 ≦0.025 ≦0.025 0.80-1.15
Gr.B21-4 A540 ASTM 0.36-0.44 0.25-0.35 0.15-0.35 0.45-0.70 ≦0.025 ≦0.025 0.80-1.15
SNB21-5 G4108 JIS 0.34-0.46 0.25-0.35 0.20-0.35 0.45-0.70 ≦0.025 ≦0.025 0.80-1.15
Gr.B21-5 A540 ASTM 0.36-0.44 0.25-0.35 0.20-0.35 0.45-0.70 ≦0.025 ≦0.025 0.80-1.15
SNB22-1 G4108 JIS 0.39-0.46 0.20-0.35 0.65-1.10 ≦0.025 ≦0.025 0.75-1.20
Gr.B22-1 A540 ASTM 0.39-0.46 0.15-0.35 0.65-1.10 ≦0.025 ≦0.025 0.75-1.20
42CrMoV4 17240 DIN 0.30-0.45 0.15-0.40 0.5-0.8 ≦0.025 ≦0.025 0.9-1.2
SNB22-2 G4108 JIS 0.39-0.46 0.20-0.35 0.65-1.10 ≦0.025 ≦0.025 0.75-1.20
Gr.B22-2 A540 ASTM 0.39-0.46 0.15-0.35 0.65-1.10 ≦0.025 ≦0.025 0.75-1.20
SNB22-3 G4108 JIS 0.39-0.46 0.20-0.35 0.65-1.10 ≦0.025 ≦0.025 0.75-1.20
Gr.B22-3 A540 ASTM 0.39-0.46 0.15-0.35 0.65-1.10 ≦0.025 ≦0.025 0.75-1.20
SNB22-4 G4108 JIS 0.39-0.45 0.20-0.35 0.65-1.10 ≦0.025 ≦0.025 0.75-1.20
Gr.B22-4 A540 ASTM 0.39-0.45 0.15-0.35 0.65-1.10 ≦0.025 ≦0.025 0.75-1.20
SNB22-5 G4108 JIS 0.39-0.46 0.20-0.35 0.65-1.10 ≦0.025 ≦0.025 0.75-1.20
Gr.B22-5 A540 ASTM 0.39-0.46 0.15-0.35 0.65-1.10 ≦0.025 ≦0.025 0.75-1.20
SNB23-1 G4108 JIS 0.37-0.44 0.20-0.35 0.60-0.95 ≦0.025 ≦0.025 0.65-0.95
Gr.B23-1 A540 ASTM 0.37-0.44 0.15-0.35 0.60-0.95 ≦0.025 ≦0.025 0.65-0.95
SNB23-2 G4108 JIS 0.37-0.44 0.20-0.35 0.60-0.95 ≦0.025 ≦0.025 0.65-0.95 0.2-0.3
Gr.B23-2 A540M ASTM 0.37-0.44 0.15-0.35 0.60-0.95 ≦0.025 ≦0.025 0.65-0.95 0.2-0.3
SNB23-3 G4108 JIS 0.37-0.44 0.20-0.35 0.60-0.95 ≦0.025 ≦0.025 0.65-0.95 0.2-0.3
Gr.B23-3 A540 ASTM 0.37-0.44 0.15-0.35 0.60-0.95 ≦0.025 ≦0.025 0.65-0.95 0.2-0.3
SNB23-4 G4108 JIS 0.37-0.44 0.20-0.35 0.60-0.95 ≦0.025 ≦0.025 0.65-0.95 0.2-0.3
Gr.B23-4 A540 ASTM 0.37-0.44 0.15-0.35 0.60-0.95 ≦0.025 ≦0.025 0.65-0.95 0.2-0.3
SNB23-5 G4108 JIS 0.37-0.44 0.20-0.35 0.60-0.95 ≦0.025 ≦0.025 0.65-0.95 0.2-0.3
Gr.B23-5 A540 ASTM 0.37-0.44 0.15-0.35 0.55-0.90 ≦0.035 ≦0.04 0.65-0.95 0.2-0.3
SNB24-1 G4108 JIS 0.37-0.44 0.20-0.35 0.7-0.9 ≦0.025 ≦0.025 0.70-0.95 0.3-0.4
Gr.B24-1 A540 ASTM 0.37-0.44 0.15-0.35 0.7-0.9 ≦0.025 ≦0.025 0.7-0.9 0.3-0.4
40NiCrMo7-3 17242 DIN 0.37-0.44 0.20-0.35 0.7-0.9 ≦0.025 ≦0.025 0.70-0.95 0.3-0.4
SNB24-2 G4108 JIS 0.37-0.44 0.20-0.35 0.7-0.9 ≦0.025 ≦0.025 0.70-0.95 0.3-0.4
Gr.B24-2 A540 ASTM 0.37-0.44 0.7-0.9 0.7-0.9 ≦0.025 ≦0.025 0.7-0.9 0.3-0.4
SNB24-3 G4108 JIS 0.37-0.44 0.20-0.35 0.7-0.9 ≦0.025 ≦0.025 0.70-0.95 0.3-0.4
Gr.B24-3 A540 ASTM 0.37-0.44 0.15-0.35 0.7-0.9 ≦0.025 ≦0.025 0.70-0.95 0.3-0.4
SNB24-4 G4108 JIS 0.37-0.44 0.20-0.35 0.7-0.9 ≦0.025 ≦0.025 0.70-0.95 0.3-0.4
Gr.B24-4 A540 ASTM 0.37-0.44 0.15-0.35 0.7-0.9 ≦0.025 ≦0.025 0.7-0.9 0.3-0.4
SNB24-5 G4108 JIS 0.37-0.44 0.20-0.35 0.7-0.9 ≦0.025 ≦0.025 0.70-0.95 0.3-0.4