Spiral steel pipe itself has no life limit, and the service life is mainly related to the operating environment and production process. Spiral steel pipe operating environment is relatively poor In order to extend the service life, the oute.
CASING TUBE
1 usage: for liquid and gas transporting
2 feature: corrosion resistant, antirust
3 standard: GB, ASTM, API
4 abundant stocks
API SPEC Petroleum Casing Tube
|
Line Pipe |
|
|
Application |
It is used for conveying gas, water and petroleum of both the oil and natural gas industries. |
|
Size(mm) |
O.D. 6.0-323.0 W.T. 1-30 L max 12000 |
Grade and Chemical Composition (%)
|
Standard |
Grade |
Chemical Composition (%) |
|||
|
C |
Mn |
P |
S |
||
|
B |
≤0.28 |
≤1.20 |
≤0.030 |
≤0.030 |
|
|
X42 |
≤0.28 |
≤1.30 |
≤0.030 |
≤0.030 |
|
|
X46,X52 |
≤0.28 |
≤1.40 |
≤0.030 |
≤0.030 |
|
Mechanical Properties(MPa)(PSL1)
|
Standard |
Grade |
Yield Strength (MPa) |
Intensity of Tension (MPa) |
Tensile Stretch A% |
||
|
API |
PSL1 |
|||||
|
≥ |
||||||
|
|
psi |
MPa |
psi |
MPa |
Minumum(%) |
|
|
B |
35,000 |
241 |
60,000 |
414 |
21~27 |
|
|
X42 |
42,000 |
290 |
60,000 |
414 |
21~27 |
|
|
X46 |
46,000 |
317 |
63,000 |
434 |
20~26 |
|
|
X52 |
52,000 |
359 |
66,000 |
455 |
20~24 |
|
Grade and Chemical Composition (%)
|
Standard |
Grade |
Yield Strength(MPa) |
Intensity of Tension(MPa) |
Tensile Stretch A% |
Shock Wave(J) |
||
|
API |
PSL2 |
||||||
|
|
Min |
Max |
Min |
Max |
|
Min |
|
|
B |
241 |
448 |
414 |
758 |
21~27 |
41(27) |
|
|
X42 |
290 |
496 |
414 |
758 |
21~27 |
41(27) |
|
|
X46 |
317 |
524 |
434 |
758 |
20~26 |
41(27) |
|
|
X52 |
359 |
531 |
455 |
758 |
20~24 |
41(27) |
|
Mechanical Properties(MPa)(PSL2)
|
Standard |
Grade |
Chemical Composition(%) |
||||
|
C |
Mn |
TI |
P |
S |
||
|
B |
≤0.24 |
≤1.20 |
≤0.04 |
≤0.025 |
≤0.015 |
|
|
X42 |
≤0.24 |
≤1.30 |
≤0.04 |
≤0.025 |
≤0.015 |
|
|
X46,X52 |
≤0.24 |
≤1.40 |
≤0.04 |
≤0.025 |
≤0.015 |
|
3 Comments
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