Home > Products > Construction & Decoration > Pipe, Tube & Parts > Steel Pipe & Tube

1.Detail information

Product Name

Seamless steel pipe

Standard

API5L,ASTM, ANSI, GB,DIN,JIS,BS

Material

API 5L Grade B/ASTM A106B,BS1387,10#,20#,45#,ASTM A53(A,B) Q235,Q345

Outer diameter

20~630mm

Wall thickness

2~80mm

Length

5-12m,or according to the customers' requirements

Technics

Cold draw and hot rolled

Surface

Black painting.anti-corrosion oil.galvanized or as per required by customer

Ends

Plastic caps,BE,PE

Package

In bundles or according to the clients' requirements

Usage

The products are widely used in fertilizer, petroleum, centra-station, boiler, 

PowerStation, shipping military, chemical industry, environment protection, 

traffic, food industry, medical equipment and so on.

Seamless theoretical weight

Seamless pipe calculation formula: (OD-Wall Thickness)*thickness*0.02466 = Seamless weight per meter

MOQ

5 ton

Delivery Time

15~30 days

Yearly capacity

200000 tons

Shipment

Container or Bulk

2.Chemical components and mechanical property 

standard

class

Chemical components and mechanical property 

Yield strength Mpa

Tensile strength Mpa

Elongation %

C    Mn     P    S

API Spec 5L

A
B
X42
X46
X52
X56
X60
X65
X70

207
241
290
317
359
386
414
448
483

331
414
414
434
455
490
517
531
565

0.21 0.6 0.030 0.030
0.22 1.2 0.025 0.015
0.22 1.3 0.025 0.015
0.22 1.4 0.025 0.015
0.22 1.4 0.025 0.015
0.22 1.4 0.025 0.015
0.22 1.4 0.025 0.015
0.22 1.45 0.025 0.015
0.22 1.65 0.025 0.015

3.API 5L outer diameter tolerance

OD

OD tolerance(mm)

SMLS

Weld pipe

SMLS

Weld pipe

OD<60.3

-0.8mm - +0.4mm

-0.4mm - 1.6mm

60.3≤OD≤168.3

±0.0075 X OD

168.3

±0.0075 X OD

±0.0075 X OD,MAX±3.2mm

±0.005 X OD,MAX±1.6mm

610<OD≤1422

±0.01 X OD

±0.005 X OD,MAX±4.0mm

±2.0mm

±1.6mm

4.ASTM A106B chemical components and mechanical property

class

A106B chemical components(%)

C

Si

Mn

P≤

S≤

Cr

Mo

V

A106B

0.17~0.24

0.17~0.37

0.35~0.65

0.030

0.030

_

_

_

Mechanical property

class

Tensile strength MPa

Yield strength MPa

elongation(%)

A106B

410~550

245

24

5.ASTM A53B chemical components and mechanical property

class

Mechanical property

Tensile strength(MPa)

Yield strength(MPa)

ASTM A53

≥415

≥240

class

Chemical components

C

Si

Mn

P

S

Cr

Mo

Cu

Ni

V

ASTM A53

≤0.30

≥0.10

≥1.20

≤0.05

≤0.06

≤0.40

≤0.15

≤0.40

≤0.40

≤0.08

6.20# chemical components and mechanical property

class

Chemical components(%)

C :

Si:

Mn:

S :

P :

Cr:

Ni:

Cu:

20#

0.17~0.24

0.17~0.37

0.35~0.65

≤0.035

≤0.035

≤0.25

≤0.25

≤0.25