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AWS ER70S-3 CO2 Gas-shielded Mig Welding Wire

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AWS ER70S-3 CO2 Gas-shielded Mig Welding Wire

AWS ER70S-3 CO2 Gas-shielded Mig Welding Wire

GB ER50-3 AWS ER70S-3

Introduction: ER70S-3 is a kind of CO2 gas-shielded welding wire. It has excellent welding performance, smooth and beautiful bead and fewer spatters.

Uses:1. Used for welding low-carbon steel thin plates.
2. Used for welding low-carbon steel parts with thorough surface treatment.


Chemical Composition of Welding Wire(%)
C
Mn
Si
S
P
Cu
0.06~0.15
0.90~1.40
0.45~0.75
0.035
0.025
0.50

Examples of Chemical Composition of Deposited Metal (%)
C
Mn
Si
S
P
Cu
0.09
1.07
0.51
0.022
0.019
0.12

Mechanical Properties of Deposited Metal
Test Item
Rm(MPa)
ReLRp0.2(Mpa)
A(%)
KV2(J)
Guarantee Value
500
420
22
27(-18)
General Result
527
446
26
69

Reference Current(DC+)
Wire Size(mm) Welding Current(A) CO2Flow Rate(L/min)
0.8 50140 15
1.0 50220 1520
1.2 80350 1525
1.6 170550 2025


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