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welding wire
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 welding wire >> GHS70- Browse: 1158
 
 
 
Standard:GB ER70-G
Characteristics: GHS70-is Cr and micro-alloying, gas shielded welding wire with 700MPa grade, with Ar+20%CO2 welding, it has good weldability and good weld mechanical properties.
Application:The welding of steel plate with 700MPa grade, e.g. the welding of Q550HG70.
 
Chemical composition(%)
C
Mn
Si
S
P
Cu
Cr
Ni
Mo
Ti
0.12
1.20-1.90
0.40-0.80
0.025
0.025
0.50
memoral
-
-
memoral
 
Typical mechanical properties of deposited metal:
Rm(MPa)
Rp0.2(MPa)
A(%)
Akv(-20)(J)
Shielded gas
765
680
22
108
Ar+20%CO2
 
Diameter and current: (DC)
Diameter(mm)
0.8
1.0
1.2
1.6
Current(A)
50-150
50-220
80-320
160-400
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