Typical Chemical Composition of Weld Metal: Alloy wt% C Mn Si Cr Ni Mo P S V AWS 0.12 1.75 0.90 0.20 0.50 0.30 0.03 0.03 0.08 EXP 0.040 1.31 0.44 0.06 0.08 0.03 0.015 0.013 0.03 Typical Mechanical Properties of Weld Metal: Mechanical Properties Yield Stress (MPa) Tensile Strength (MPa) Elongation % Impact values J/°C AWS 390490-6702227/-20EXP 48057028105/-20Notes on Usage: Electric choice: DC+.Use over 99.98% purity of CO2 as shielding gas.This product cannot use mixed gas.It should turn up electric pressure 1-2V when uses electric cable elongation over 15m.It’s necessary to cover the flux cored wire by canvas if it needs on wire feeder for one night.Sizes Available and Recommended Parameters: Dia/mm 1.2 1.4 1.6 Volt 23-30 24-36 25-40 Amp 150-300 170-360 200-400 Stick-Out(mm) 15-25 15-25 20-30 Gas Flow(I/min) 20-25 20-25 20-25