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)	ReL或Rp0.2(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)
φ0.8	50～140	15
φ1.0	50～220	15～20
φ1.2	80～350	15～25
φ1.6	170～550	20～25

Welding Wire

AWS ER70S-3 CO2 Gas-shielded Mig Welding Wire

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