执行标准 : Chinese GB6479
用途 :用于高压化肥设备和管道用优质碳素钢、低合金钢和合金钢无管
主要钢级牌号 : 10 、 20 、 16Mn 、 10MoWVNb
化学成分、机械性能 :
牌号 |
化学成分 Chemical composition, % |
||||||||||
C |
Si |
Mn |
Cr |
Mo |
V |
W |
Nb |
Ni |
P |
S |
|
10 |
0.07 |
0.17 |
0.35 |
- |
- |
- |
- |
- |
- |
≤0.030 |
≤0.030 |
20 |
0.17 |
0.17 |
0.35 |
- |
- |
- |
- |
- |
- |
≤0.030 |
≤0.030 |
16Mn |
0.12 |
0.20 |
1.20 |
- |
- |
- |
- |
- |
- |
≤0.030 |
≤0.030 |
15MnV |
0.12 |
0.20 |
1.20 |
- |
- |
0.04 |
- |
- |
- |
≤0.030 |
≤0.030 |
10MoWVNb |
0.07 |
0.50 |
0.50 |
- |
0.60 |
0.30 |
0.50 |
0.06 |
- |
≤0.030 |
≤0.030 |
12CrMo |
0.08 |
0.17 |
0.40 |
0.40 |
0.40 |
|
|
|
|
≤0.030 |
≤0.030 |
15CrMo |
0.12 |
0.17 |
0.40 |
0.80 |
0.40 |
- |
- |
- |
- |
≤0.030 |
≤0.030 |
1Cr5Mo |
≤ 0.15 |
≤ 0.50 |
≤ 0.60 |
4.00 |
0.40 |
- |
- |
- |
≤ 0.60 |
≤0.030 |
≤0.030 |
12Cr2Mo |
0.08 |
≤ 0.50 |
0.40 |
2.0 |
0.90 |
- |
- |
- |
- |
≤0.030 |
≤0.030 |
12SiMoVNb |
0.08 |
0.50 |
0.60 |
- |
0.90 |
0.30 |
- |
0.04 |
- |
≤0.030 |
≤0.030 |
牌号 |
抗拉强度 |
屈服点 |
延伸率 |
10 |
335 |
205 |
24 |
20 |
410 |
245 |
24 |
16Mn |
490 |
320 |
21 |
15MnV |
510 |
350 |
19 |
12CrMo |
410 |
205 |
21 |
15CrMo |
440 |
235 |
21 |