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Products >> A5.18, CARBON STEEL Filler Metals for Gas Shielded Arc Welding

 

ER70S-7

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ER70S7 is a general purpose MIG wire suitable for many carbon steel welding applications but with substantially greater manganese content than ER70S-3 welding alloy,  the higher manganese provides slightly better wetting and weld appearance with slightly higher tensile and yield strengths as well.  These combined properties permit increased speed when compared to S-3 product.  Under equivalent welding conditions, ER70S-7 produces as weld hardness lower than ER70S-6 but higher than ER70S-3.

Typical Applications:  high tensile strength steels for automobiles; rolling stock; electrical appliances; machinery; air conditioners, light gauge steels, pipes, steel frames



AWS Class: ER70S7

Certification:                  AWS A5.18/A5.18M:2005

Alloy:  ER70S7

ASME SFA A5.18

 

Welding Position:              F, V, OH, H

Current:

DCEP

 

Tensile Strength, kpsi:

82 100%Co2

Yield Strength, kpsi:

68 100%Co2

Elongation in 2”%:

27 100%Co2


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

C

Mn

Si

P

S

Ni

Cr

Mo

V

Cu

 

0.07-0.15

1.50-2.00

0.50-0.80

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% CO2 

 1/16

 (1.6)

GMAW

 23-26

160-200

 Short Circuiting Transfer 100% CO2 or 75% Argon +25% CO2

 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 

 

 

< CLICK HERE for additional information on this alloy >

 

 

Products >> A5.18, CARBON STEEL Filler Metals for Gas Shielded Arc Welding

 

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