Specifications: diameter: 320 to 127 mm thickness: 0.4 to 12.7 mm Length: 6 m above, and, in accordance with customer demand, supply and other specifications of steel pipe
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API 5L Petroleum Pipeline


API 5L Petroleum Pipeline

Standard:
API SPEC 5L

Application:
It is mainly applied to the transportation of gas, water and oil in petroleum and natural gas industry.

Dimensional Tolerance:

Type of steel pipe

Outer diameter of steel pipe (D)

Wall thickness of steel pipe (S)

Pipe

Outer diameter of steel pipe (mm)

Allowable deviation (mm)

Outer diameter of steel pipe (mm)

Allowable deviation (mm)

≥60.3 and S<20

±0.75%

≤73.0

+15%, -12.5%

≥60.3 and S≥20

±1.00%

>73.0 and S<20

+15%, -12.5%

 

 

>73.0 and S≥20

+17.5%, -10

 

API SPEC 5L Chemical Compositions

Standard

PSL

Steel Grade

Chemical Composition, %

 

C

Mn

P

S

Si

V

Nb

Ti

CEpcm

 

API 5L

GB/T9711.2

PSL 1

A or L210

≤0.22

≤0.90

≤0.030

≤0.030

-

-

-

-

≤0.25

 

B or L245

≤0.28

≤1.20

≤0.030

≤0.030

-

-

-

-

≤0.25

 

x42 or L290

≤0.28

≤1.30

≤0.030

≤0.030

-

-

-

-

≤0.25

 

X46 or L320

≤0.28

≤1.40

≤0.030

≤0.030

-

-

-

-

≤0.25

 

X52 or L360

≤0.28

≤1.40

≤0.030

≤0.030

-

-

-

-

≤0.25

 

X56 or L390

≤0.28

≤1.40

≤0.030

≤0.030

-

-

-

-

≤0.25

 

X60 or L415

≤0.28

≤1.40

≤0.030

≤0.030

-

-

-

-

≤0.25

 

PSL 2

BR or L245R

≤0.24

≤1.20

≤0.025

≤0.015

≤0.40

c

c

≤0.04

≤0.25

 

X42R or L290R

≤0.24

≤1.20

≤0.025

≤0.015

≤0.40

≤0.06

≤0.05

≤0.04

≤0.25

 

BN or L245N

≤0.24

≤1.20

≤0.025

≤0.015

≤0.40

c

c

≤0.04

≤0.25

 

X42N or L290N

≤0.24

≤1.20

≤0.025

≤0.015

≤0.40

≤0.06

≤0.05

≤0.04

≤0.25

 

X46N or L320N

≤0.24

≤1.40

≤0.025

≤0.015

≤0.40

≤0.07

≤0.05

≤0.04

≤0.25

 

X52N or L360N

≤0.24

≤1.40

≤0.025

≤0.015

≤0.45

≤0.10

≤0.05

≤0.04

≤0.25

 

X56N or L390N

≤0.24

≤1.40

≤0.025

≤0.015

≤0.45

≤0.10

≤0.05

≤0.04

≤0.25

 

X60N or L415N

≤0.24

≤1.40

≤0.025

≤0.015

≤0.45

≤0.10

≤0.05

≤0.04

 

 

Notes: Unless otherwise specified, the total content of V and Nb shall not exceed 0.06%.

  
 

API 5L Petroleum Pipeline

API SPEC 5L Mechanical Properties

Standard

Product Specification Level

Steel Grade

Yield Strength (min), Mpa

Tensile Strength(min), Mpa

OCTG API 5L

GB/T9711.2

PSL 1

A or L210

210

335

B or L245

245

415

x42 or L290

290

415

X46 or L320

320

435

X52 or L360

360

460

X56 or L390

390

490

X60 or L415

415

520

PSL 2

BR or L245R

245~450

415~760

X42R or L290R

290~495

415~760

BN or L245N

245~450

415~760

X42N or L290N

290~495

415~760

X46N or L320N

320~525

435~760

X52N or L360N

360~530

460~760

X56N or L390N

390~545

490~760

X60N or L415N

415~565

520~760

 

Detailed Parameters for Corrosion Resistance Processing

Nominal Diameter Range

Outside Diameters Rang(mm)

Coating Type

Coating Layer

Coating thickness

DN100~600

114.3~609.6

Three layers polyethylene

Inside Layer: Epoxy (Green)

2.0~4.5mm

Mid Layer:Adhesive (White)

Outside Layer：Polyethylene (Black)

Two layers polyethylene

Inside Layer: Adhesive

2.0~4.5mm

Outside Layer: Polythene

DN80~600

88.9~609.6

FBE (Epoxy)

Epoxy

200~400um

2FBE (Two layers epoxy)

Inside Layer: Epoxy (Green)

400~800um

Outside Layer: Intensity epoxy (sage green)

DN100~600

114.3~609.6

3PP (Three layers polypropylene)

Inside Layer: Epoxy (Green)

  

 

steel pipe description

API 5L Oil Seamless Pipe，Application: It is mainly applied to the transportation of gas, water and oil in petroleum and natural gas industry...

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