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ER70S-6


Alloy Type:

ER70S6 is a mild steel welding wire that contains higher levels of manganese and silicon than other standard grades of MIG wire to product high quality welds when used on dirty, oily, or rusty steel.  The high silicon content increases the fluidity of the weld pool, thus creating a smoother bead appearance and resulting in minimal post-weld grinding.  This wire is engineered to provide porosity-free, x-ray quality welds at the highest tensile strength (as welded) of all the plain carbon steel wires.

Typical Applications:  general shop applications with poor fit-up or rusty, oily plates; steel castings or forging salvage; home projects; sheet metal; tanks; construction work

AWS Class: ER70S6 Certification:                  AWS A5.18/A5.18M:2005
Alloy:  ER70S6 ASME SFA A5.18

 

Welding Position:              F, V, OH, H Current:

DCEP

 

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 1.40-1.85 0.80-1.15 0.025   0.035 0.15 0.15 0.15 0.03 0.50  
  Typical Welding Parameters
Diameter Process Volt Travel Speed Amps Shielding Gas
in (mm) (ipm)
 .035  (0.9) GMAW 23-26  

11-22

160-300 Spray Transfer 98% Argon+2% Oxygen
 .045  (1.2) GMAW 23-29  

12-21

170-375 Spray Transfer 98% Argon+2% Oxygen
 1/16  (1.6) GMAW 25-31  

9-19

275-475 Spray Transfer 98% Argon+2% Oxygen
.023   GMAW 14-19  

10-15

30-85  Short Circuiting Transfer 98% Argon+2% Oxygen
.030 (0.8) GMAW 15-20  

12-24

40-130  Short Circuiting Transfer 98% Argon+2% Oxygen
 .035  (0.9) GMAW 16-25 11-40 60-235  Short Circuiting Transfer 98% Argon+2% Oxygen
 .045  (1.14) GMAW 18-23 12-22 90-290  Short Circuiting Transfer 98% Argon+2% Oxygen
.035 (0.9) GTAW 12-15 N/A 60-100 100% Argon
.045 (1.14) GTAW 13-16 N/A 70-120 100% Argon
 1/16  (1.6) GTAW 12 N/A 100-160  100% Argon
1/16- 3/32  (1.6)-(2.4) GTAW 12 N/A 120-250 100% Argon
 1/8  (3.2) GTAW 12 N/A 150-300 100% Argon
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