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welding wire
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 welding wire >> ER50-G Browse: 590
 

Standard:GB ER50-G   AWS ER70S-G  JIS YGW11
Characteristics: ER50-G is copper coated gas shielded welding wire for low alloy steel with strength grade of 500MPa. Some quantity of Ti element is added in the welding wires, fine grains are achieved by the forming of tiny Ti, N nucleus. Ti addition is also good for stable arc and less spatter. Therefore excellent comprehensive mechanical properties of the weld can be obtained. This welding wire can be used in large current welding. 
Application:With CO2 gas shielded, it is widely applied to the welding of low alloy, high strength steel with strength grade of 500-550Mpa in fields such as ships, pipes, engineering machinery, containers, petroleum and chemical engineering, boiler and pressure vessel, bridge, heavy lifting and traffic equipment, power station, vehicle, high building, steel structure etc, for example X60X6518Nb1216M materials series.
 
Chemical composition(%)
C
Mn
Si
S
P
Cu
Ti
Ni
Cr
0.06-0.12
1.40-1.90
0.60-0.90
0.025
0.025
0.50
memoral
0.20
0.20
 
Typical mechanical properties of deposited metal:
Rm(MPa)
Rp0.2(MPa)
 
A(%)
Akv(-30)(J)
Shielded gas
570
470
25
100
CO2
 
Diameter and current: (DC)
Diameter(mm)
0.8
1.0
1.2
1.6
Current(A)
50-150
50-220
80-350
170-500

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