Chemical Composition(%) |

No. | 
 STEEL GRADE | 
 | 

 |

C | 
Si | 
Mn | 
P | 
S | 
Cr | 
Ni | 
Cu | 
Mo | 
As | 
Sn | 
Sb | 
Pb | 
Al | 
Ti | 
V | 
O | 
H | 
Ca |


 |

1 | 
SAE52100 | 
0.98-1.10 | 
0.15-0.35 | 
0.25-0.45 | 
0.025 | 
0.025 | 
1.30-1.60 | 
0.25 | 
0.35 | 
0.10 | 

 | 

 | 

 | 

 | 

 | 

 | 

 | 

 | 

 | 

 | 
ASTM A295 |

2 | 
Grade3 | 
0.93-1.05 | 
0.15-0.35 | 
0.25-0.45 | 
0.025 | 
0.015 | 
1.35-1.60 | 
0.25 | 
0.30 | 
0.10 | 
0.040 | 
0.030 | 
0.005 | 
0.002 | 
0.050 | 
30x10 -6 | 

 | 
15x10 -6 | 

 | 
10x10 -6 | 
C20101 |

3 | 
100Cr6 | 
0.90-1.05 | 
0.15-0.35 | 
0.25-0.45 | 
0.030 | 
0.025 | 
1.35-1.65 | 
0.30 | 
0.30 | 

 | 

 | 

 | 

 | 

 | 

 | 

 | 

 | 

 | 

 | 

 | 
DIN17230-1980 |

4 | 
100Cr6 | 
0.93-1.05 | 
0.15-0.35 | 
0.25-0.45 | 
0.025 | 
0.005-0.015 | 
1.35-1.60 | 
0.30 | 
0.25 | 
0.10 | 
0.040 | 
0.030 | 
0.005 | 
0.002 | 
0.050 | 
0.003 | 

 | 
0.0012 | 
0.0002 | 
0.0010 | 
FAG S1300000 |

5 | 
SKF3 | 
0.95-1.10 | 
0.15-0.35 | 
0.25-0.45 | 
0.025 | 
0.015 | 
1.35-1.65 | 
0.25 | 
0.30 | 
0.10 | 
0.040 | 
0.030 | 
0.005 | 
0.002 | 
0.010-0.050 | 
30x10 -6 | 

 | 
15x10 -6 | 

 | 
10x10 -6 | 
SKF D33 B10001 |

6 | 
SKF3 | 
0.93-1.05 | 
0.15-0.35 | 
0.25-0.45 | 
0.025 | 
0.015 | 
1.35-1.60 | 
0.25 | 
0.30 | 
0.10 | 
0.075 | 
0.002 | 
0.050 | 
30x10 -6 | 

 | 
15x10 -6 | 

 | 
10x10 -6 | 
SKF D33-1 C30101 |

7 | 
SKF3S | 
0.93-1.05 | 
0.15-0.35 | 
0.25-0.45 | 
0.025 | 
0.015 | 
1.35-1.60 | 
0.25 | 
0.30 | 
0.10 | 

 | 

 | 

 | 

 | 
0.050 | 
50x10 -6 | 

 | 
15x10 -6 | 

 | 

 | 
SKF D33-1 C30101R3 |

8 | 
GCr15L3 | 
0.95-1.05 | 
0.15-0.35 | 
0.25-0.45 | 
0.020 | 
0.012 | 
1.40-1.60 | 
0.20 | 
0.20 | 
0.08 | 
0.040 | 
0.030 | 
0.005 | 
0.002 | 
0.050 | 
0.0030 | 

 | 
0.0010 | 

 | 
0.0010 | 
Q/320281PA12-2004 |

9 | 
10 | 
0.07-0.13 | 
0.17-0.37 | 
0.35-0.65 | 
0.035 | 
0.035 | 
0.15 | 
0.30 | 
0.25 | 

 | 

 | 

 | 

 | 

 | 

 | 

 | 

 | 

 | 

 | 

 | 
GB/T699-1999 |

10 | 
A179 | 
0.06-0.18 | 

 | 
0.27-0.63 | 
0.035 | 
0.035 | 

 | 

 | 

 | 

 | 

 | 

 | 

 | 

 | 

 | 

 | 

 | 

 | 

 | 

 | 
ASTM A179 |

11 | 
1010 | 
0.08-0.13 | 
0.15-0.35 | 
0.30-0.60 | 
0.040 | 
0.050 | 

 | 

 | 

 | 

 | 

 | 

 | 

 | 

 | 

 | 

 | 

 | 

 | 

 | 

 | 
ASTM A29 |

12 | 
CFS 3 | 
≤0.20 | 
≤0.35 | 
≤0.90 | 
0.050 | 
0.050 | 

 | 

 | 

 | 

 | 

 | 

 | 

 | 

 | 

 | 

 | 

 | 

 | 

 | 

 | 
BS 6323 |

13 | 
E235 | 
≤0.17 | 
≤0.35 | 
≤1.20 | 
0.025 | 
0.025 | 

 | 

 | 

 | 

 | 

 | 

 | 

 | 

 | 

 | 

 | 

 | 

 | 

 | 

 | 
EN 10305-1 |

14 | 
ST35 | 
≤0.17 | 
≤0.35 | 
≥0.40 | 
0.025 | 
0.025 | 

 | 

 | 

 | 

 | 

 | 

 | 

 | 

 | 

 | 

 | 

 | 

 | 

 | 

 | 
DIN 2391-2 |

15 | 
A192 | 
0.06-0.18 | 
0.250 | 
0.27-0.63 | 
0.035 | 
0.035 | 

 | 

 | 

 | 

 | 

 | 

 | 

 | 

 | 

 | 

 | 

 | 

 | 

 | 

 | 
ASTM A192 |

16 | 
1020 | 
0.18-0.23 | 
0.15-0.35 | 
0.30-0.60 | 
0.040 | 
0.050 | 

 | 

 | 

 | 

 | 

 | 

 | 

 | 

 | 

 | 

 | 

 | 

 | 

 | 

 | 
ASTM A29 |

17 | 
20 | 
0.17-0.23 | 
0.17-0.37 | 
0.35-0.65 | 
0.035 | 
0.035 | 
0.25 | 
0.30 | 
0.25 | 

 | 

 | 

 | 

 | 

 | 

 | 

 | 

 | 

 | 

 | 

 | 
GB/T699-1999 |

18 | 
SA210-A1 | 
≤0.27 | 
≥0.10 | 
≤0.93 | 
≤0.025 | 
≤0.025 | 

 | 

 | 

 | 

 | 

 | 

 | 

 | 

 | 

 | 

 | 

 | 

 | 

 | 

 | 
ASME SA210 |

19 | 
25 | 
0.22-0.29 | 
0.17-0.37 | 
0.50-0.80 | 
0.035 | 
0.035 | 
0.25 | 
0.30 | 
0.25 | 

 | 

 | 

 | 

 | 

 | 

 | 

 | 

 | 

 | 

 | 

 | 
GB/T699-1999 |

20 | 
1025 | 
0.22-0.28 | 
0.15-0.35 | 
0.30-0.60 | 
0.040 | 
0.050 | 

 | 

 | 

 | 

 | 

 | 

 | 

 | 

 | 

 | 

 | 

 | 

 | 

 | 

 | 
ASTM A29 |

21 | 
SA334-6 | 
≤0.30 | 
≥0.10 | 
>0.60 | 
≤0.025 | 
≤0.025 | 

 | 

 | 

 | 

 | 

 | 

 | 

 | 

 | 

 | 

 | 

 | 

 | 

 | 

 | 
ASME SA334 |

22 | 
SA210-C | 
≤0.35 | 
≥0.10 | 
0.29-1.06 | 
≤0.025 | 
≤0.025 | 

 | 

 | 

 | 

 | 

 | 

 | 

 | 

 | 

 | 

 | 

 | 

 | 

 | 

 | 

 |

23 | 
1026 | 
0.22-0.28 | 
0.15-0.35 | 
0.60-0.90 | 
0.040 | 
0.050 | 

 | 

 | 

 | 

 | 

 | 

 | 

 | 

 | 

 | 

 | 

 | 

 | 

 | 

 | 
ASTM A29 |

24 | 
1035 | 
0.32-0.38 | 
0.15-0.35 | 
0.60-0.90 | 
0.040 | 
0.050 | 

 | 

 | 

 | 

 | 

 | 

 | 

 | 

 | 

 | 

 | 

 | 

 | 

 | 

 | 
ASTM A29 |

25 | 
35 | 
0.32-0.39 | 
0.17-0.37 | 
0.50-0.80 | 
0.035 | 
0.035 | 
0.25 | 
0.30 | 
0.25 | 

 | 

 | 

 | 

 | 

 | 

 | 

 | 

 | 

 | 

 | 

 | 
GB/T699-1999 |

26 | 
1045 | 
0.43-0.50 | 
0.15-0.35 | 
0.60-0.90 | 
0.040 | 
0.050 | 

 | 

 | 

 | 

 | 

 | 

 | 

 | 

 | 

 | 

 | 

 | 

 | 

 | 

 | 
ASTM A29 |

27 | 
45 | 
0.42-0.50 | 
0.17-0.37 | 
0.50-0.80 | 
0.035 | 
0.035 | 
0.25 | 
0.30 | 
0.25 | 

 | 

 | 

 | 

 | 

 | 

 | 

 | 

 | 

 | 

 | 

 | 
GB/T699-1999 |

28 | 
C45E | 
0.42-0.55 | 
≤0.40 | 
0.50-0.80 | 
≤0.035 | 
≤0.035 | 
≤0.40 | 

 | 

 | 
≤0.10 | 

 | 

 | 

 | 

 | 

 | 

 | 

 | 

 | 

 | 

 | 
EN10305-1 |

29 | 
S45C | 
0.42-0.48 | 
0.15-0.35 | 
0.60-0.90 | 
0.030 | 
0.035 | 
0.20 | 
0.20 | 
0.30 | 
Ni+Cr≤0.35 | 

 | 

 | 

 | 

 | 

 | 

 | 

 | 

 | 
JIS G4051 |

30 | 
CFS8 | 
0.40-0.50 | 
0.10-0.35 | 
0.50-0.90 | 
≤0.035 | 
≤0.035 | 
≤0.40 | 
≤0.05 | 

 | 
≤0.10 | 

 | 

 | 

 | 

 | 
≥0.01 | 

 | 

 | 

 | 

 | 

 | 
BS6323-4 |

31 | 
20MnG | 
0.17-0.24 | 
0.17-0.37 | 
0.70-1.00 | 
0.015 | 
0.010 | 
0.15 | 

 | 

 | 
0.10 | 

 | 

 | 

 | 

 | 

 | 

 | 
0.08 | 

 | 

 | 

 | 
Q/320281PA15-2004 |

32 | 
25MnG | 
0.23-0.27 | 
0.17-0.37 | 
0.75-0.95 | 
0.015 | 
0.010 | 
0.15 | 

 | 

 | 
0.10 | 

 | 

 | 

 | 

 | 

 | 

 | 
0.08 | 

 | 

 | 

 | 
Q/320281PA15-2004 |

33 | 
25MnG | 
0.22-0.30 | 
0.17-0.37 | 
0.70-1.00 | 
0.030 | 
0.030 | 
0.25 | 
0.25 | 
0.20 | 
0.15 | 

 | 

 | 

 | 

 | 

 | 

 | 
0.08 | 

 | 

 | 

 | 
GB 5310-1995 |

34 | 
SAE1541 | 
0.36-0.44 | 

 | 
1.35-1.65 | 
0.040 | 
0.050 | 

 | 

 | 

 | 

 | 

 | 

 | 

 | 

 | 

 | 

 | 

 | 

 | 

 | 

 | 
ASTM A29 |

35 | 
SCM415 | 
0.13-0.18 | 
0.15-0.35 | 
0.60-0.90 | 
0.030 | 
0.030 | 
0.90-1.20 | 
0.25 | 
0.30 | 
0.15-0.25 | 

 | 

 | 

 | 

 | 

 | 

 | 

 | 

 | 

 | 

 | 
JIS G4053 |

36 | 
SCM420 | 
0.18-0.23 | 
0.15-0.35 | 
0.60-0.90 | 
0.030 | 
0.030 | 
0.90-1.20 | 
0.25 | 
0.30 | 
0.15-0.25 | 

 | 

 | 

 | 

 | 

 | 

 | 

 | 

 | 

 | 

 | 
JIS G4053 |

37 | 
SAE4130 | 
0.28-0.33 | 
0.15-0.35 | 
0.40-0.60 | 
0.035 | 
0.040 | 
0.80-1.10 | 
0.25 | 
0.35 | 
0.15-0.25 | 

 | 

 | 

 | 

 | 

 | 

 | 

 | 

 | 

 | 

 | 
ASTM A29 |

38 | 
SCM430 | 
0.28-0.33 | 
0.15-0.35 | 
0.60-0.90 | 
0.030 | 
0.030 | 
0.90-1.20 | 
0.25 | 
0.30 | 
0.15-0.30 | 

 | 

 | 

 | 

 | 

 | 

 | 

 | 

 | 

 | 

 | 
JIS G4053 |

39 | 
34CrMo4 | 
0.30-0.37 | 
<0.40 | 
0.60-0.90 | 
<0.035 | 
<0.035 | 
0.90-1.20 | 

 | 

 | 
0.15-0.30 | 

 | 

 | 

 | 

 | 

 | 

 | 

 | 

 | 

 | 

 | 

 |

40 | 
SCM440 | 
0.38-0.43 | 
0.15-0.35 | 
0.60-0.90 | 
0.030 | 
0.030 | 
0.90-1.20 | 
0.25 | 
0.30 | 
0.15-0.30 | 

 | 

 | 

 | 

 | 

 | 

 | 

 | 

 | 

 | 

 | 
JIS G4053 |

41 | 
SCM445 | 
0.43-0.48 | 
0.15-0.35 | 
0.60-0.90 | 
0.030 | 
0.030 | 
0.90-1.20 | 
0.25 | 
0.30 | 
0.15-0.30 | 

 | 

 | 

 | 

 | 

 | 

 | 

 | 

 | 

 | 

 | 
JIS G4053 |

42 | 
SAE8620H | 
0.17-0.23 | 
0.15-0.35 | 
0.60-0.95 | 
0.025 | 
0.025 | 
0.35-0.65 | 
0.35-0.75 | 

 | 
0.15-0.25 | 

 | 

 | 

 | 

 | 

 | 

 | 

 | 

 | 

 | 

 | 
ASTM A534 |

43 | 
T5 | 
≤0.15 | 
≤0.50 | 
0.30-0.60 | 
0.025 | 
0.025 | 
4.00-6.00 | 

 | 

 | 
0.45-0.65 | 

 | 

 | 

 | 

 | 

 | 

 | 

 | 

 | 

 | 

 | 
ASTM A213 |

44 | 
T11 | 
0.05-0.15 | 
0.50-1.00 | 
0.30-0.60 | 
0.025 | 
0.025 | 
1.00-1.50 | 

 | 

 | 
0.44-0.65 | 

 | 

 | 

 | 

 | 

 | 

 | 

 | 

 | 

 | 

 | 
ASTM A213 |

45 | 
16Mn | 
0.12-0.20 | 
0.20-0.60 | 
1.20-1.60 | 
0.030 | 
0.030 | 

 | 

 | 

 | 

 | 

 | 

 | 

 | 

 | 

 | 

 | 

 | 

 | 

 | 

 | 
YB/T5137-1998 |

46 | 
T22 | 
0.05-0.15 | 
≤0.50 | 
0.30-0.60 | 
0.025 | 
0.025 | 
1.90-2.60 | 

 | 

 | 
0.87-1.13 | 

 | 

 | 

 | 

 | 

 | 

 | 

 | 

 | 

 | 

 | 
ASTM A213 |

47 | 
St52 | 
≤0.22 | 
≤0.55 | 
CCC | 
0.025 | 
0.025 | 

 | 

 | 

 | 

 | 

 | 

 | 

 | 

 | 

 | 

 |