Ningxia Sunres International Trade Co., Ltd.
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Contact Us
  • Contact Person : Ms. Kong Marry
  • Company Name : Ningxia Sunres International Trade Co., Ltd.
  • Tel : 86-951-4073985
  • Fax : 86-951-4077855
  • Address : Ningxia,Yinchuan,5-9#,Li Da International Electrical City, Qinghe South Street, Yinchuan city, Ningxia province, P.R.China
  • Country/Region : China
  • Zip : 750004

Gas protection welding wire

Gas protection welding wire
Product Detailed
It is used for welding of carbon steel and low-alloy steel with CO2 or mixed gas as protection gas during electric-arc welding.

Applications

The gas-protection welding wire is widely used for the welding of steel structures in the fields of coal mine machinary, construction machinary, ships, bridges, pressure vessels as well as building constructions. It is also used for the welding of 500Mpa carbon steel and low alloy steel and the high-speed welding of steel sheet and pipe line.

Chemical proporties

Spec.

C

Mn

Si

P

S

Ni

Cr

Cu

Mo

Ti

V

Al

Zr

ER70S-7

0.09

1.89

0.78

0.016

0.013

0.017

0.008

0.16

ER70S-2

0.05

1.21

0.62

0.010

0.013

0.06

0.03

0.16

0.02

0.08

0.007

0.007

0.08

ER70S-3

0.09

1.05

0.65

0.014

0.013

0.02

0.017

0.17

0.004

0.003

ER70S-6

0.08

1.51

0.89

0.015

0.013

0.016

0.021

0.18

0.006

0.003

Mechanical perpormances

Spec.

Tensile strength Rm

Yield strength Rel/ Rp0.2

Elongation(%)

Impact strength(J)

Protection gas

ER70S-7

542

423

29

138(room temperature)

CO2

ER70S-2

572

465

27

89(-39°C)

80%Ar+20% CO2

ER70S-3

520

437

29

116(-20°C)

CO2

ER70S-6

545

452

29

91(-30°C)

CO2

Package: wind on plastic plate with 5kg, 15kg, 20kg and packed in carton.

Gas protection welding wire



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