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Line pipe


 

Product Name

Material

Standard

Specification

Application

Line pipe

A  B  X42  X46  X52  X56  X60  X65  X70  X80
L245  L290  L360  L415  L450

API SPEC 5L
GB/T9711.1
GB/T9711.2

∮32-1240*3-100

apply to oil, gas, water, oxygen transport in oil and gas industry

 

Standard

Product Specification Level

Steel grade

Chemical composition, %


C

Mn

P

S

Si

V

Nb

Ti

CEpcm


API 5L

PSL 1

L210 or A

≤
0.22

≤
0.90

≤
0.030

≤
0.030

-

-

-

-

≤
0.25


L245 or B

≤
0.28

≤
1.20

≤
0.030

≤
0.030

-

-

-

-

≤
0.25


L290 or x42

≤
0.28

≤
1.30

≤
0.030

≤
0.030

-

-

-

-

≤
0.25


L320 or X46

≤
0.28

≤
1.40

≤
0.030

≤
0.030

-

-

-

-

≤
0.25


L360 or X52

≤
0.28

≤
1.40

≤
0.030

≤
0.030

-

-

-

-

≤
0.25


L390 or X56

≤
0.28

≤
1.40

≤
0.030

≤
0.030

-

-

-

-

≤
0.25


L415 or X60

≤
0.28

≤
1.40

≤
0.030

≤
0.030

-

-

-

-

≤
0.25


PSL 2

L245Ror BR

≤
0.24

≤
1.20

≤
0.025

≤
0.015

≤
0.40

c

c

≤
0.04

≤
0.25


L290R or X42R

≤
0.24

≤
1.20

≤
0.025

≤
0.015

≤
0.40

≤
0.06

≤
0.05

≤
0.04

≤
0.25


L245N or BN

≤
0.24

≤
1.20

≤
0.025

≤
0.015

≤
0.40

c

c

≤
0.04

≤
0.25


L290N or X42N

≤
0.24

≤
1.20

≤
0.025

≤
0.015

≤
0.40

≤
0.06

≤
0.05

≤
0.04

≤
0.25


L320N or X46N

≤
0.24

≤
1.40

≤
0.025

≤
0.015

≤
0.40

≤
0.07

≤
0.05

≤
0.04

≤
0.25


L360N or X52N

≤
0.24

≤
1.40

≤
0.025

≤
0.015

≤
0.45

≤
0.10

≤
0.05

≤
0.04

≤
0.25


L390N or X56N

≤
0.24

≤
1.40

≤
0.025

≤
0.015

≤
0.45

≤
0.10

≤
0.05

≤
0.04

≤
0.25


L415N or X60N

≤
0.24

≤
1.40

≤
0.025

≤
0.015

≤
0.45

≤
0.10

≤
0.05

≤
0.04

協(xié)商
Negotiation


Note：c：Unless otherwise agreed, the sum of V and Nb should be ≤0.06%.
Note:  c: The sum of the columbium [niobium], and vanadium contents shall not exceed 0.06% except that, by agreement between the purchaser and
the manufacturer, an alternative maximum may be established.



 

Standard

Product Specification Level

Steel grade

Yield Strength (min), Mpa

Tensile Strength(min), Mpa

API 5L

PSL 1

L210 or A

210

335

L245 or B

245

415

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

PSL 2

L245Ror BR

245~450

415~760

L290R or X42R

290~495

415~760

L245N or BN

245~450

415~760

L290N or X42N

290~495

415~760

L320N or X46N

320~525

435~760

L360N or X52N

360~530

460~760

L390N or X56N

390~545

490~760

L415N or X60N

415~565

520~760