油管用于油井中抽取石油或天燃气；套管用作油气井的井壁。
主要生产石油钢管牌号H40、J55、K55、N80、M65、L80、C90、T95、P110等
石油套用无缝钢管化学成份、机械性能
| 等级 |
类别 |
石油套用无缝钢管化学成份 |
石油套用无缝钢管机械性能 |
||||||||||||||||
| C |
Mn |
Mo |
Cr |
Ni |
Cu |
P |
S |
Si |
屈服强度(Mpa) |
抗拉强度(Mpa) |
硬度 |
||||||||
| Min |
Max |
Min |
Max |
MiN |
Max |
Min |
Max |
Max |
Max |
Max |
Max |
Max |
Min |
Max |
Min |
HRC |
HBW/HBC |
||
| H40 |
/ |
/ |
/ |
/ |
/ |
/ |
/ |
/ |
/ |
/ |
/ |
0.030 |
0.030 |
/ |
276 |
552 |
414 |
/ |
/ |
| J55 |
/ |
/ |
/ |
/ |
/ |
/ |
/ |
/ |
/ |
/ |
/ |
0.030 |
0.030 |
/ |
379 |
552 |
517 |
/ |
/ |
| K55 |
/ |
/ |
/ |
/ |
/ |
/ |
/ |
/ |
/ |
/ |
/ |
0.030 |
0.030 |
/ |
379 |
552 |
655 |
/ |
/ |
| N80 |
1 |
/ |
/ |
/ |
/ |
/ |
/ |
/ |
/ |
/ |
/ |
0.030 |
0.030 |
/ |
552 |
758 |
689 |
/ |
/ |
| 0 |
/ |
/ |
/ |
/ |
/ |
/ |
/ |
/ |
/ |
/ |
0.030 |
0.030 |
/ |
552 |
758 |
689 |
/ |
/ |
|
| M65 |
/ |
/ |
/ |
/ |
/ |
/ |
/ |
/ |
/ |
/ |
/ |
0.030 |
0.030 |
/ |
448 |
586 |
586 |
22 |
235 |
| L80 |
1 |
/ |
0.43 |
/ |
1.90 |
/ |
/ |
/ |
/ |
0.25 |
0.35 |
0.030 |
0.030 |
0.45 |
552 |
655 |
655 |
23 |
241 |
| 9Cr |
/ |
0.15 |
0.30 |
0.60 |
0.90 |
1.10 |
8.0 |
10.00 |
0.50 |
0.25 |
0.020 |
0.010 |
1.00 |
552 |
655 |
655 |
23 |
241 |
|
| 13Cr |
0.15 |
0.22 |
0.25 |
1.00 |
/ |
/ |
12.0 |
14.00 |
0.50 |
0.25 |
0.020 |
0.010 |
1.00 |
552 |
655 |
655 |
23 |
241 |
|
| C90 |
1 |
/ |
0.35 |
/ |
1.00 |
0.25 |
0.75 |
/ |
1.20 |
0.99 |
/ |
0.020 |
0.010 |
/ |
621 |
724 |
689 |
25.4 |
255 |
| 2 |
/ |
0.50 |
/ |
1.90 |
/ |
NL |
/ |
NL |
0.99 |
/ |
0.030 |
0.010 |
/ |
621 |
724 |
689 |
25.4 |
255 |
|
| T95 |
1 |
/ |
0.35 |
/ |
1.20 |
0.25 |
0.85 |
0.40 |
1.50 |
0.99 |
/ |
0.020 |
0.010 |
/ |
655 |
758 |
724 |
25.4 |
255 |
| 2 |
/ |
0.50 |
/ |
1.90 |
/ |
/ |
/ |
/ |
0.99 |
/ |
0.030 |
0.010 |
/ |
655 |
758 |
724 |
25.4 |
255 |
|
| P110 |
/ |
/ |
/ |
/ |
/ |
/ |
/ |
/ |
/. |
/ |
/ |
0.030 |
0.030 |
/ |
758 |
965 |
862 |
/ |
/ |
