0.85-0.950.25-0.450.20-0.40 1.70-2.10≤0.300.20-0.40≤0.030≤0.0300.85-0.950.25-0.450.20-0.35 1.70-2.10≤0.300.20-0.300.10-0.20≤0.030≤0.0300.85-0.950.25-0.450.20-0.35 3.00-3.50≤0.300.20-0.30≤0.030≤0.0300.85-0.950.25-0.450.20-0.35 2.80-3.20≤0.300.40-0.600.05-0.15≤0.030≤0.0300.82-0.900.60-0.900.20-0.45 2.80-3.200.60-0.800.40-0.600.05-0.15≤0.020≤0.0150.82-0.900.50-0.800.20-0.50 2.80-3.200.60-0.800.20-0.400.05-0.15≤0.020≤0.0150.82-0.900.50-0.800.20-0.50 2.70-3.100.20-0.400.10-0.300.05-0.15≤0.020≤0.0150.92-1.000.80-1.20.40-0.60 2.80-3.200.25-0.450.25-0.450.05-0.12≤0.020≤0.0150.80-0.880.30-0.600.20-0.50 3.80-4.400.30-0.500.20-0.400.10-0.20≤0.020≤0.0150.80-0.900.30-0.550.20-0.50 4.80-5.400.30-0.500.20-0.400.05-0.12≤0.020≤0.0150.90-0.920.50-0.800.20-0.50 5.00-5.400.30-0.500.20-0.400.10-0.20≤0.020≤0.0150.82-0.900.50-0.800.30-0.50 4.80-5.100.30-0.400.20-0.300.10-0.20
≤0.020≤0.0150.32-0.39≤0.40.30-0.60 1.60-2.00 3.60-4.100.25-0.45≤0.035≤0.0350.30-0.38≤0.40.50-0.80 1.30-1.70 1.30-1.70
0.15-0.25≤0.015≤0.0200.26-0.330.17-0.370.40-0.700.80-1.100.15-0.25≤0.020≤0.0150.32-0.400.17-0.370.40-0.700.80-1.100.15-0.25≤0.020≤0.0150.38-0.450.17-0.370.50-0.800.90-1.200.15-0.25≤0.020≤0.0150.80-0.900.15-0.400.30-0.50 1.80-2.400.20-0.40
0.05-0.15≤0.020≤0.0150.58-0.700.40-0.700.40-0.70 2.60-3.400.50-1.000.60-0.800.05-0.15≤0.020≤0.0150.60-0.750.40-0.700.50-0.902.80-3.50≤0.600.25-0.60
≤0.025≤0.0250.55-0.650.30-0.500.50-1.000.80-1.200.10-0.35
0.05-0.15
≤0.025≤0.0250.55-0.650.20-0.400.70-1.000.80-1.20 1.50-2.000.10-0.30
≤0.025≤0.0250.38-0.450.80-1.200.20-0.50 4.20-5.50 1.00-1.500.30-0.60≤0.025≤0.0150.48-0.550.80-1.200.20-0.50 4.80-5.50 1.00-1.500.30-0.60≤0.025≤0.0151.40-1.60≤0.60≤0.6011.0-13.00.70-1.200.70-1.00≤0.025≤0.0251.40-1.60
≤0.60
≤0.60
11.0-13.0
0.80-1.20
0.70-1.00
≤0.025
≤0.025
0.36-0.500.90 4.00
5.50
2.00
6.00 5.00
0.48-0.550.30-0.550.20-0.50 4.90-5.400.30-0.500.30-0.500.10-0.20≤0.020≤0.015Cn≤0.2H≤20ppm O≤30ppm N≤80ppm 0.75-0.80
0.80-1.050.25-0.45 4.80-5.20
1.0-1.20
0.40-0.60≤0.015≤0.015
MC59Cr2Mo 9Cr2MoV 9Cr3Mo MC4MC3MC3A MC3B MC3C 36CrNiMo1630CrMoA 34CrNiMo6*MC5B MC5D
SHSS-W
4Cr5WMoSiV
5Cr6WMoSiV/5H12/A8
35CrMo 42CrMo486CrMoV770Cr3NiMo 60CrMoV
V YB-70
C Si Mn Cr12Mo1V1/D2Cr12MoVCo HM3570Cr3Mo 60CrNi2Mo（60CrNiMo）
34CrNiMo6*9Cr3MoV
CHEMICAL COMPOSITION OF REGULAR FORGED STEELS
P S W
Co
Cr Ni Mo