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

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.

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