Oil pipe specifications: 8-1240×1-200mm.
The outer diameter of oil pipes generally ranges from 60.3 mm to 114.3 mm.
The end processing forms of oil pipes include: non-thickened with threads and couplings, externally thickened with threads and couplings, plain end, non-thickened with threads and couplings, externally thickened with threads and couplings.
|
|
Trademark | Tensile strength (MPa) | Yield strength (MPa) | Elongation(%) | hardness |
|
API SPEC 5CT |
J55 |
≥517 |
379～552 |
0.5% |
- |
|
- |
K55 |
≥655 |
379~552 |
0.5% |
- |
|
- |
N80 |
≥689 |
552~758 |
0.5% |
- |
|
- |
L80(13Cr) |
≥655 |
552~655 |
0.5% |
≤241HB |
|
- |
P110 |
≥862 |
758~965 |
0.6% |
- |
|
|
Trademark | chemical composition(%) |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
|
C |
Si |
Mn |
P |
S |
Cr |
Ni |
Cu |
Mo |
V |
Als |
- |
- |
|
API SPEC 5CT |
J55K55 (37Mn5) |
0.34～0.39 |
0.20～0.35 |
1.25～1.50 |
≤0.020 |
≤0.015 |
≤0.15 |
≤0.20 |
≤0.20 |
≤0.020 |
||
|
N80 (36 Mn2V) |
0.34～0.38 |
0.20～0.35 |
1.45～1.70 |
≤0.020 |
≤0.015 |
≤0.15 |
- |
- |
- |
0.11～0.16 |
≤0.020 |
- |
|
L80(13Cr) |
0.15～0.22 |
≤1.00 |
0.25～1.00 |
≤0.020 |
≤0.010 |
12.0～14.0 |
≤0.20 |
≤0.20 |
- |
- |
≤0.020 |
- |
|
P110 30CrMo) |
0.26～0.35 |
0.17～0.37 |
0.40～0.70 |
≤0.020 |
≤0.010 |
0.80～1.10 |
≤0.20 |
≤0.20 |
0.15～0.25 |
≤0.08 |
≤0.020 |
- |
.jpg)
.jpg)
.jpg)
.jpg)
