Carbon Welded Steel Pipe

Carbon steel pipe,Seamless steel pipe,Welded steel pipe
API 5L GR.B ERW STEEL PIPE for liquid transportation
API 5L GR.B ERW STEEL PIPE for liquid transportation

API 5L GR.B ERW STEEL PIPE for liquid transportation

PIPE TYPE:Carbon Welded Steel Pipe,ERW steel pipe,API 5L PSL1 /PSL2 GR.B ERW steel pipe for liquid transportation

OD:13.72-660MM (1/4 INCH-4INCH,4 INCH-8INCH,8INCH-24INCH)

WT:1.65-20MM, SCH 10, SCH 40, SCH 80, to SCH 160

LENGTH: Length Range: 20 ft (6M), 40 ft (12M)

Product description

API 5L Grade B ERW steel pipe is a common grade pipe for oil and gas pipeline transmissions. It also called L245 Pipe refer ISO 3183, named by minimum yield strength 245 Mpa (355,000 Psi). Equivalent material ASTM A53 B, which have similar value on chemical composition, mechanical properties, and applications.
API 5L GR.B ERW steel pipe covers PSL1, PSL2, Sour Services, for onshore and offshore pipelines. Manufacturing types including ERW, EFW, HFW.

PSL1 is normal line pipe standard, PSL2 is a higher specifically level pipe, has more strict value on chemical and mechanical strength. More over PSL2 requires more test methods like None Destructive Test, CVN Impact Test, DWT etc.
API 5L B PSL2 expressed with API 5L BN/Q/R/M
Sour Services: For sour pipelines like H2S environment, pipe material have typical restrictions on chemicals element of Carbon, P and S. Referring standard NACE MR0175.
API 5L GR.B ERW steel Pipe for Sour Service expressed in API 5L BNS/QS/MS

Steelmaking in Converter → Refine → Continuous Casting → Hot Rolling → Uncoiling → Accumulator → Cross Welding → Strip End Shear → Strip Leveling → Edge Milling →Strip UT → Forming → Electric Resistance Welding → Sizing →  Air Cooling+ Water Cooling → Online Weld Seam Heat Treatment →  Online Weld SEAM UT → Bevelling → Hydrostatic Testing → Weld Seam UT → Pipe UT →  Appearance and Dimension Check → Coating →  Marking →  Length-measuring and weighing → Packing → Transoprtation

CHEMICAL COMPERSITION OF API 5L PSL1 /PSL2 ERW STEEL PIPE


Standard


Class


Grade

Chemical Analysis(%)

Mechanical Prop


C


Mn


P


S

Tensile Strength (Mpa)

Yield Strength (Mpa)










API 5L





PSL1

B

0.26

1.20

0.030

0.030

≥415

≥245

X42

0.26

1.30

0.030

0.030

≥415

≥290

X46

0.26

1.40

0.030

0.030

≥435

≥320

X52

0.26

1.40

0.030

0.030

≥460

≥360

X56

0.26

1.40

0.030

0.030

≥490

≥390

X60

0.26

1.40

0.030

0.030

≥520

≥415

X65

0.26

1.45

0.030

0.030

≥535

≥450

X70

0.26

1.65

0.030

0.030

≥570

≥485






PSL2

B

0.22

1.20

0.025

0.015

415-655

245-450

X42

0.22

1.30

0.025

0.015

415-655

290-495

X46

0.22

1.40

0.025

0.015

435-655

320-525

X52

0.22

1.40

0.025

0.015

460-760

360-530

X56

0.22

1.40

0.025

0.015

490-760

390-545

X60

0.22

1.40

0.025

0.015

520-760

415-565

X65

0.22

1.45

0.025

0.015

535-760

450-600

X70

0.22

1.65

0.025

0.015

570-760

485-635

X80

0.22

1.85

0.025

0.015

625-825

555-705

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DIMENSION TOLERANCES OF ERW STEEL PIPE

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