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Marine API Line Pipes

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Marine API Line Pipes

Marine API Line Pipes

Marine API line pipes are a sort of marine steel pipes certified by leading classification societies. They are applied to convey gas, water, oil. The marine API line pipes are manufactured according to the standard API SPEC 5L. In addition the above-mentioned pipes, we are able to supply other line pipes in line with GB/T 9711. We provide you a broad range of specifications: O.D. 168.3 ~ 323.9mm, W.T. 5.2 ~ 28.83mm. These pipes are plain-end. Of course, if you have any specific requirements, we are able to customize pipes for you. We are engaged in providing best quality products with reasonable price for our customers. If you trust us, we will build a pleasant cooperative relationship!

Chemical Composition %

Adopted Standard

Steel Grade

C

Si

Mn

P

S

V

Nb

Ti

Other

CEw

CEpcm

Max

Max

Max

Max

Max

Max

Max

Max

Max

Max

API SPEC 5L

PSL1

A

0.22

-

0.90

0.030

0.030

-

-

-

B

0.28

-

1.20

0.030

0.030

a,b

a,b

b

X42

0.28

-

1.30

0.030

0.030

b

b

b

X46

X52

0.28

-

1.40

0.030

0.030

b

b

b

PSL2

BR

BN

0.24

0.40

1.20

0.025

0.015

a

a

0.04

c

0.43

0.25

X42R

X42N

0.24

0.40

1.20

0.025

0.015

0.06

0.06

0.04

c

0.43

0.25

X46N

0.24

0.40

1.40

0.025

0.015

0.05

0.05

0.04

b,c

0.43

0.25

X52N

0.24

0.45

1.40

0.025

0.015

0.07

0.07

0.04

b,c

0.43

0.25

Note

A.Unless otherwise agreed, the sum of the niobium and vanadium contests shall be 0.06%.

B.The sum of the niobium, vanadium and titanium concentrations shall be 0.25%.

C.Unless otherwise agrees, 0.05% maximum for copper, 0.30% maximum for nickel, 0.30% maximum for chromium and 0.15% maximum for molybdenum.

Mechanical Properties

Adopted Standard

Steel Grade

Yield Strength

Tensile Strength

Elongation

%

MPa

MPa

API SPEC 5L

PSL1

A

210

335

See table 6 and 7 of API SPEC 5L

B

245

415

X42

290

415

X46

320

435

X52

360

460

PSL1=2

Min.

Max.

Min.

Max.

BR

BN

245

450

415

760

X42R

X42N

290

495

415

760

X46N

320

525

435

760

X52N

360

530

460

760

Note

For pipes required longitudinal testing, the maximum yield strength shall be 495MPa(71800psi).

Marine API Line Pipes

Marine API Line Pipes

Marine API Line Pipes

Marine API Line Pipes


Marine API Line Pipes

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Our mail: manager@hiseamarine.com

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