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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-killed steels and excellent welds on killed steels. It yields an almost slag-free deposit which does not require cleaning for many applications thereby providing low plate preparation costs, good bead appearance and welder satisfaction

  • Wire Diameter: 0.035 in.
  • Weight: 33 lb
  • Alloy Classification: ER70S-3
  • Material: Silicon, Manganese deoxidized carbon steel
  • Typical Tensile Strength: 75,500 psi
  • Typical Yield Strength: 62,400 psi
  • Typical Elongation in 2 in: 30.7%
  • Typical Charpy V-notch Impact at 0 F: 66 ft lbs
  • Typical Carbon Content: 0.10%
  • Typical Manganese Content: 1.00%
  • Typical Silicon Content: 0.55%
  • Suitable Shielding Gases: CO2, Argon-Oxygen mixtures
  • Welding Processes: Short-circuiting arc, Buried arc, Spray transfer arc
  • Weld Deposit: Almost slag-free
  • Compliance: ANSI/AWS A5.18, ASME SFA 5.18

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