standard:
GB/T 8162------------China National Standard
ASTM A519-------- American Society for Testing and Materials standard
EN 10297-1---------European Union Standard
JIS G3445----------Japanese Industrial Standard.
Purpose:
Suitable for general structures and seamless steel pipes for automobile mechanical structures.
Mainly produced steel pipe brands:
10, 20, 35, 45, 16Mn, 1020, 1045, 1541, E275, E315, 34CrMo4, 42CrMo4, STKM13A, STKM 13B, etc.
| standard | Brand number | Tensile strength (MPa) | Yield strength (MPa) | Elongation(%) |
|
GB/T 8162 |
10 |
≥335 |
≥205 |
≥24 |
|
20 |
≥390 |
≥245 |
≥20 |
|
|
35 |
≥510 |
≥305 |
≥17 |
|
|
45 |
≥590 |
≥335 |
≥14 |
|
|
16Mn |
≥490 |
≥325 |
≥21 |
|
|
EN 10297-1 |
E275 |
≥410 |
≥275 |
≥22 |
|
E315 |
≥450 |
≥315 |
≥21 |
|
|
34CrMo4 |
≥1000 |
≥800 |
≥11 |
|
|
42CrMo4 |
≥1100 |
≥900 |
≥10 |
|
|
JIS G3445 |
STKM13A |
≥375 |
≥215 |
≥30 |
|
STKM13B |
≥440 |
≥305 |
≥20 |
| standard | Brand number | chemical composition | |||||||
|
C |
Si |
Mn |
P,S |
Cu |
Ni |
Mo |
Cr |
||
|
GB/T 8162 |
10 |
0.07～0.14 |
0.17～0.37 |
0.35～0.65 |
≤0.035 |
≤0.25 |
≤0.25 |
/ |
≤0.15 |
|
20 |
0.17～0.24 |
0.17～0.37 |
0.35～0.65 |
≤0.035 |
≤0.25 |
≤0.25 |
/ |
≤0.25 |
|
|
35 |
0.32～0.40 |
0.17～0.37 |
0.50～0.80 |
≤0.035 |
≤0.25 |
≤0.25 |
/ |
≤0.25 |
|
|
45 |
0.42～0.50 |
0.17～0.37 |
0.50～0.80 |
≤0.035 |
≤0.25 |
≤0.25 |
/ |
≤0.25 |
|
|
16Mn |
0.12～0.20 |
0.20～0.55 |
1.20～1.60 |
≤0.035 |
≤0.25 |
≤0.25 |
/ |
≤0.25 |
|
|
ASTM A519 |
1020 |
0.18～0.23 |
/ |
0.30～0.60 |
≤0.040 |
/ |
/ |
/ |
/ |
|
1045 |
0.43～0.50 |
/ |
0.60～0.90 |
≤0.040 |
/ |
/ |
/ |
/ |
|
|
1541 |
0.36～0.44 |
/ |
1.35～1.65 |
≤0.040 |
/ |
/ |
/ |
/ |
|
|
EN10297-1 |
E275 |
≤0.21 |
≤0.35 |
≤1.40 |
≤0.030 |
/ |
/ |
/ |
/ |
|
E315 |
≤0.21 |
≤0.30 |
≤1.50 |
≤0.030 |
/ |
/ |
/ |
/ |
|
|
34CrMo4 |
0.30～0.37 |
≤0.40 |
0.60～0.90 |
≤0.035 |
/ |
/ |
0.15～0.30 |
0.90～1.20 |
|
|
42CrMo4 |
0.38～0.45 |
≤0.40 |
0.60～0.90 |
≤0.035 |
/ |
/ |
0.15～0.30 |
0.90～1.20 |
|
|
JIS G3445 |
STKM13A |
≤0.25 |
≤0.35 |
≤0.60 |
≤0.040 |
/ |
/ |
/ |
/ |
|
STKM13B |
≤0.25 |
≤0.35 |
≤0.60 |
≤0.040 |
/ |
/ |
/ |
/ |
|
