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Seamless Steel Pipes in Large Caliber for Gas Cylinders

  • Seamless Steel Pipes in Large Caliber for Gas Cylinders
  • Seamless Steel Pipes in Large Caliber for Gas Cylinders
Model No.︰-
Brand Name︰Ironsteel
Country of Origin︰China
Unit Price︰US $ 800 / ton
Minimum Order︰10 ton
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Product Description

Seamless Steel Pipes in Large Caliber for Gas Cylinders

Standards:

ASTM A519-------American Materials and Testing Institution Standard

Q/321088HGB3---Enterprise Standards of Jiangsu Chengde Steel Pipe Co., Ltd

GB18248-----------China National Standard

Steel Material: 4130X

Usage: Seamless steel tubes in large calibers for gas cylinders.

Type of pipe

Outer diameter

Walll thickness

Hot rolled seamless pipe

OD (mm)

tollerance

WT (mm)

tolerance

559

±1.0%

17.0

0~+25%

Mechanical Properties:

standard

Steel grade

Tensile strength(Mpa)

Bend strength(Mpa)

Bend ratio

Elongation (%)

Impact energy Akv(J)

Hardness

Q/321088HGB3

4230X

725~865

485~735

0.85

20

-40℃≥40

195~269HB

Chemical composition:

standard

Steel grade

             Chemical composition (%)

C

Si

Mn

P

S

Cr

Ni

Cu

Mo

V

Q/3210

88HGB3

4130X

0.25~0.35

0.15~0.35

0.4~0.9

0.02

0.01

0.8~1.1

0.25

0.2

0.15~0.25

0.8

 

 

Type of pipe:Hot rolled seamless pipe

Outer diameter OD(mm):559+-1.0%

Wall thickness WTmm:17.0  0~+25%

 

Mechanical Properties:

Standard:Q/3210 88HGB3

Steel grade:4130X

Tensile strength(Mpa) 725~865

Bend strength(Mpa):485~735

Bend ratio<=0.85

Elongation (%)>=20

Impact energy Akv(J) : -40℃≥40degree centigrade

Hardness: 195~269HB

 

Chemical composition(%)Q/321088HGB3

Standard:4130X

Chemical composition(%):

C 0.25~0.35   Si 0.15~0.35  Mn:0.4~0.9  P<=0.02  S 0.01  Cr 0.8~1.1  Ni<=0.25   Cu<=0.2  Mo 0.15~0.25   V<=0.8

E-mail:[email protected]

www.iron-steel-china.com

Payment Terms︰TT,LC
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