执行标准 : GB6479-2000(高压化肥设备用无缝钢管)。
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、12CrMo、12Cr2Mo等
化学成分、机械性能
牌号 Grade |
化学成分 Chemical composition, % |
C |
Si |
Mn |
Cr |
Mo |
V |
W |
Nb |
Ni |
P |
S |
10 |
0.07 ~0.14 |
0.17 ~0.37 |
0.35 ~0.65 |
- |
- |
- |
- |
- |
- |
≤0.030 |
≤0.030 |
20 |
0.17 ~0.24 |
0.17 ~0.37 |
0.35 ~0.65 |
- |
- |
- |
- |
- |
- |
≤0.030 |
≤0.030 |
16Mn |
0.12 ~0.20 |
0.20 ~0.60 |
1.20 ~1.60 |
- |
- |
- |
- |
- |
- |
≤0.030 |
≤0.030 |
15MnV |
0.12 ~0.18 |
0.20 ~0.60 |
1.20 ~1.60 |
- |
- |
0.04 ~0.12 |
- |
- |
- |
≤0.030 |
≤0.030 |
10MoWVNb |
0.07 ~0.13 |
0.50 ~0.80 |
0.50 ~0.80 |
- |
0.60 ~0.90 |
0.30 ~0.50 |
0.50 ~0.90 |
0.06 ~0.12 |
- |
≤0.030 |
≤0.030 |
12CrMo |
0.08 ~0.15 |
0.17 ~0.37 |
0.40 ~0.70 |
0.40 ~0.70 |
0.40 ~0.55 |
|
|
|
|
≤0.030 |
≤0.030 |
15CrMo |
0.12 ~0.18 |
0.17 ~0.37 |
0.40 ~0.70 |
0.80 ~1.10 |
0.40 ~0.55 |
- |
- |
- |
- |
≤0.030 |
≤0.030 |
1Cr5Mo |
≤ 0.15 |
≤ 0.50 |
≤ 0.60 |
4.00 ~6.00 |
0.40 ~0.60 |
- |
- |
- |
≤ 0.60 |
≤0.030 |
≤0.030 |
12Cr2Mo |
0.08 ~0.15 |
≤ 0.50 |
0.40 ~0.70 |
2.0 ~2.50 |
0.90 ~1.20 |
- |
- |
- |
- |
≤0.030 |
≤0.030 |
12SiMoVNb |
0.08 ~0.14 |
0.50 ~0.80 |
0.60 ~0.90 |
- |
0.90 ~1.10 |
0.30 ~0.50 |
- |
0.04 ~0.08 |
- |
≤0.030 |
≤0.030 |
牌号 Grade |
抗拉强度 Tensile strength, Mpa |
屈服点 Yield point, Mpa |
延伸率 Elongation min, % |
10 |
335 ~490 |
205 |
24 |
20 |
410 ~550 |
245 |
24 |
16Mn |
490 ~670 |
320 |
21 |
15MnV |
510 ~690 |
350 |
19 |
12CrMo |
410 ~560 |
205 |
21 |
15CrMo |
440 ~640 |
235 |
21 |