Specifications: diameter: 320 to 127 mm thickness: 0.4 to 12.7 mm Length: 6 m above, and, in accordance with customer demand, supply and other specifications of steel pipe

Line Pipes X60 X65 X70 for Sour Service


API 5L Line Pipe for Sour Service

1) Size:1/8"-40"*0.039"-4.72"
2) Steel Grades:A,B,X42,X46,X52,X60, X65,X70
3) Operative Standard:API Spec 5L,NACE MR0175,NACE TM0177

the line pipe for sour service (Psl 2), which is suitable for the use in sour environment condition. The material is selected strictly according to NACE MR01-75, which is fine grain fully killed clean steel made by basic oxygen steel-making or electric furnace. The content of element P and S are very lower so that it has not only high resistance features against H2S and CO2, but also has better performance of impact energy. The test results of SSC according to NACE TM0177-2005 and HIC according to NACE TM0284-2003 have reached the requirement of API 5L (44th edition) after the inspection of authorities.

 Mechanical properties

Steel

Grade

Stretch Performance

Impact energy

Hardness

 

Yield strength

Tensile strength

Elongation

 

MPa

MPa

(%)

J

Max

Min

Max

Min

Max

Min

L245NS or BNS

L245QS or BQS

245

450

415

760

See standard

27

22HRC

or

250HV10

L290NS or X42NS

L290QS or X42QS

290

495

415

760

27

L320NS or X46NS

L320QS or X46QS

320

525

435

760

27

L360NS or X52NS

L360QS or X52QS

360

530

460

760

27

L390QS or X56QS

390

545

490

760

27

L415QS or X60QS

450

600

520

760

27

 

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