ER70S-6 – WIRE – MIG (GMAW) – MILD & LOW ALLOY STEEL AWS A5.18 Welding Positions: All INTRODUCTION: Mild steel solid MIG wire with manganese and silicon deoxidizers tolerate medium to heavy mill scale surfaces. Copper-plated and layer wound. Low-spatter thanks to high chemical purity APPLICATIONS: Structural steel. Medium to heavy mill scale base material. For industry, craft and repair businesses. Shipbuilding and repair. Ideal for automation and robotic applications WELDING PARAMETERS: Wire Diameter Polarity Shield Gas Wire speed (in/min) Amperage (Amps) Voltage 0.035” DC+ 100% CO2 105-115 50-60 17-18 0.035” DC+ 100% CO2 420-520 220-250 24-25 0.035” DC+ 75% Ar/25% CO2 105-115 40-55 16-17 0.035” DC+ 75% Ar/25% CO2 420-520 200-210 23-24 0.045” DC+ 100% CO2 90-110 90-110 19-20 0.045” DC+ 100% CO2 220-270 220-250 24-25 0.045” DC+ 75% Ar/25% CO2 90-110 70-80 16-17 0.045” DC+ 75% Ar/25% CO2 220-270 200-210 21-22 WIRE COMPOSITION (%): Chemical Composition C Mn Si S P Requirement 0.06~0.15 1.40~1.85 0.80~1.15 ?0.025 ?0.025 Typical test result 0.077 1.45 0.87 0.013 0.012 General Result Ni Cr Mo V Cu Requirement ?0.15 ?0.15 ?0.15 ?0.03 ?0.50 Typical test result 0.017 0.031 0.002 0.004 0.125 Mechanical Properties as Welded: Test Item Rm(N/mm2) Rel/Rp0.2(N/mm2) A (%) KV2(J)-40? Requirement ?500 ?420 ?22 ?47 Typical test result 555 450 29 77, 95, 83 The above parameters are for reference purpose and depend on diverse factors. Run tests, evaluate and set your welding parameters before starting the welding job.