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ER70S-3 is a silicon and manganese deoxidized wire used for mild and low alloy steel general purpose fabrication. A well balanced silicon and manganese content permits its use with CO2, Argon-Oxygen mixtures, or mixtures of the two. This wire may be used for short-circuiting arc (dip-transfer), buried arc, as well as spray transfer arc processes. ER70S-3 produces quality welds with rimmed steels, better welds on semi-killedsteels and excellent welds on killed steels. It yields an almost slag-free deposit which does not require cleaning for many applications therebyproviding low plate preparation costs, good bead appearance and welder satisfaction.

  • Alloy Type: ER70S-3 Carbon Steel
  • Wire Diameter: 3/32 in.
  • Length: 36 in
  • Weight: 10 LB
  • Material Composition: Silicon, Manganese deoxidized
  • Gas Compatibility: CO2, Argon-Oxygen mixtures
  • Welding Processes: Short-circuiting arc, Buried arc, Spray transfer arc
  • Weld Deposit: Almost slag-free
  • Typical Tensile Strength: 75,500 psi
  • Typical Yield Strength: 62,400 psi
  • Tensile Strength AWS Min: 70,000 psi
  • Yield Strength AWS Min: 58,000 psi
  • Elongation in 2 in: 30.7%
  • Charpy V-notch at 0 F: 66 ft lbs
  • Carbon Content: 0.10%
  • Manganese Content: 1.00%
  • Silicon Content: 0.55%
  • Phosphorus Content: 0.012%
  • Sulfur Content: 0.012%
  • Copper Content: 0.5% max

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