ER70S-3 CARBON STEEL Filler Metals for Gas Shielded Arc Welding ER70S3 is a general purpose MIG wire suitable for many carbon steel welding applications.  It is a silicon and manganese deoxidized wire making it excellent for general fabrication.  This product requires a shielding gas. Typical Applications:  general fabrication, metal furniture, sheet metal, ornamental iron fabrication, farm equipment

AWS Class: ER70S3	Certification:     AWS A5.18/A5.18M:2005
Alloy:  ER70S3	ASME SFA A5.18

 

Welding Position:    F, V, OH, H

Current: MIG-DCEP TIG-DCEN

 

Tensile Strength, kpsi:	70
Yield Strength, kpsi:	58
Elongation in 2”%:	22

Typical Wire Chemistry as per AWS A5.18 (single values are maximum)

C	Mn		Si	P	S		Ni	Cr		Mo	V	Cu
0.06-0.15	0.90-1.40		0.45-0.75	0.025	0.035		0.15	0.15		0.15	0.03	0.50
Typical Welding Parameters
Diameter		Process		Volt		Amps			Shielding Gas
in	(mm)
.035	(0.9)	GMAW		28-32		165-200			Spray Transfer 98% Argon+2% Oxygen or 75% Argon+25% CO2
.045	(1.2)	GMAW		30-34		180-220			Spray Transfer 98% Argon+2% Oxygen or 75% Argon+25% CO2
1/16	(1.6)	GMAW		30-34		230-260			Spray Transfer 98% Argon+2% Oxygen or 75% Argon+25% CO2
.035	(0.9)	GMAW		22-25		100-140			Short Circuiting Transfer 100% CO2 or 75% Argon +25% CO2
.045	(1.2)	GMAW		23-26		120-150			Short Circuiting Transfer 100% CO2 or 75% Argon +25% CO
1/16	(1.6)	GMAW		23-26		160-200			Short Circuiting Transfer 100% CO2 or 75% Argon +25% CO
1/16	(1.6)	GTAW		12-15		100-125			100% Argon
3/32	(2.4)	GTAW		15-20		125-175			100% Argon
1/8	(3.2)	GTAW		15-20		175-250			100% Argon