标准: GB9948---------中国国家标准
用途: 适用于石油精炼厂的炉管、热交换器管和管道用无缝钢管。
主要生产钢管牌号: 10、20、12CrMo 、15CrMo、1Cr2Mo、1Cr5Mo、1Crl9Ni9、1Crl9Ni11Nb等经协商,也可供应其它牌号的钢管。
机械性能:
牌 号 |
抗拉强度(Mpa) |
屈服强度(Mpa) |
伸长率(%) |
冲击功(J) |
10 |
330~490 |
≥205 |
≥24 |
/ |
20 |
410~550 |
≥245 |
≥21 |
≥39 |
12CrMo |
410~560 |
≥205 |
≥21 |
≥55 |
15CrMo |
440~640 |
≥235 |
≥21 |
≥47 |
1Cr2Mo |
≥390 |
≥175 |
≥22 |
≥92 |
1Cr5Mo |
≥390 |
≥195 |
≥22 |
≥92 |
1Cr19Ni9 |
≥520 |
≥205 |
≥35 |
/ |
1Cr19Ni11Nb |
≥520 |
≥205 |
≥35 |
/ |
化学成分:
牌 号 |
C |
Si |
Mn |
P |
S |
Cr |
Mo |
Ni |
10 |
0.17~0.24 |
0.17~0.37 |
0.35~0.65 |
≤0.035 |
≤0.035 |
≤0.15 |
/ |
≤0.25 |
20 |
0.17~0.24 |
0.17~0.37 |
0.35~0.65 |
≤0.035 |
≤0.035 |
≤0.25 |
/ |
≤0.25 |
12CrMo |
0.08~0.15 |
0.17~0.37 |
0.40~0.70 |
≤0.035 |
≤0.035 |
0.40~0.70 |
0.40~0.55 |
≤0.30 |
15CrMo |
0.12~0.18 |
0.17~0.37 |
0.40~0.70 |
≤0.035 |
≤0.035 |
0.80~1.10 |
0.40~0.55 |
≤0.30 |
1Cr2Mo |
≤0.15 |
0.50~1.00 |
0.30~0.60 |
≤0.035 |
≤0.035 |
2.15~2.85 |
0.45~0.65 |
/ |
1Cr5Mo |
≤0.15 |
≤0.50 |
≤0.60 |
≤0.035 |
≤0.035 |
4.00~6.00 |
0.45~0.60 |
≤0.60 |
1Cr19Ni9 |
0.04~0.10 |
≤1.00 |
≤2.00 |
≤0.035 |
≤0.035 |
18.00~20.00 |
/ |
8.00~11.00 |
1Cr19Ni11Nb |
0.04~0.10 |
≤1.00 |
≤2.00 |
≤0.035 |
≤0.035 |
17.00~20.00 |
/ |
9.00~13.00 |
|