• Line pipe
    • Line pipe
    • Line pipe
    • Line pipe
    • Line pipe
    • Line pipe
    • Line pipe

Line pipe

  • Product Model:OD: Φ17.1mm~Φ219.1mm, WT:2.3mm~40.0mm。
    Feature Description:
    Line pipe is used for oil and gas transportation, it can be applied to oil and gas, chemical and electric engineering industry.
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Detailed Introduction

Line pipe is used for oil and gas transportation, it can be applied to oil and gas, chemical and electric engineering industry. 

Since the percentage of sulphureous well increase both in domestic and international oil production, a large number of sulfide exists in the environment of petroleum transportation, which requires higher sour service standards. Sour service line pipe is the optimal production for this situation stated above. Product category of Changbao sour service line pipe covers all the grade of API 5L to meet different requirement of customers, and provide satisfied service to our customers.

Grade:

PSL1 Requirement of elongation performance

Grade

Y.S

Rt0.5/MPa

T.S.

Rm/MPa

L175 or A25

≥175

≥310

L175P or A25P

≥175

≥310

L210 or A

≥210

≥335

L245R or BR

L245 or B

≥245

≥415

L290R or X42R

L290 or X42

≥290

≥415

L320 or X46

≥320

≥435

L360 or X52

≥360

≥460

L390 or X56

≥390

≥490

L415 or X60

≥415

≥520

L450 or X65

≥450

≥535

L485 or X70

≥485

≥570




PSL2 Requirement of elongation performance

Grade

Y.S.

Rt0.5/MPa

T.S.

Rm/MPa

Yield Ratio

Rt0.5/Rm

L245R or BR

L245N or BN

L245Q or BQ

245~450

415~760

0.93

L290R or X42R

L290N or X42N

L290Q or X42Q

290~495

415~760

0.93

L320N or X46N

L320Q or X46Q

320~525

435~760

0.93

L360N or X52N

L360Q or X52Q

360~530

460~760

0.93

L390N or X56N

L390Q or X56Q

390~545

490~760

0.93

L415N or X60N

L415Q or X60Q

415~565

520~760

0.93

L450Q or X65Q

450~600

535~760

0.93

L485Q or X70Q

485~635

570~760

0.93

L555Q or X80Q

555~705

625~825

0.93





Main grade for sour service

BNS/X42NS/X46NS/X52NS

BQS/42QS/46QS/52QS/56QS/X60S/65QS/70QS

Standard

GB/T9711-2011

API SPEC 5L< Specification for Line Pipe >

Feature:

Sour service line pipe of Changbao is rolled by CPE or Assel set using high purity and calcification billet with low-sulfur. The rolling procedure is precisely controlled for perfect dimension. After the heat treatment, the performance of our product can satisfy the standard requirement of API 5L. We also have our own HIC and SSC lab to test product performance and guarantee the anti-corrosion of our product.

Service environment

Sour service line pipe is designed for the acidic oil and gas exploration environment to solve the leaking and cracking problem due to HIC and SSC. Generally, service environment temperature is closed to ground surface temperature, partial pressure of CO2≤0.2MPa, H2S≤0.0003MPa.




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