汽車用無縫鋼管化學成分：
|
標準 |
牌號 |
化學成分 | |||||||
|
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 |
/ |
/ |
/ |
/ | |