執(zhí)行標(biāo)準(zhǔn) : GB1479-2000(高壓化肥設(shè)備用無(wú)縫鋼管)。
用途 :用于高壓化肥設(shè)備和管道用優(yōu)質(zhì)碳素鋼、低合金鋼和合金鋼無(wú)管
主要鋼級(jí)牌號(hào) : 10 、 20 、 16Mn 、 10MoWVNb、12CrMo、12Cr2Mo等
化學(xué)成分、機(jī)械性能 :
牌號(hào) |
化學(xué)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 |
牌號(hào) |
抗拉強(qiáng)度 |
屈服點(diǎn) |
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 |
|