welding electrodes

AWS:E7018 welding electrodes manufacture supply best qulity and reasonable price Diameter(mm)3.245Length(mm)350400400Recommended Current(A)130-170180-230240-300CMnSiSP0.091.220.420.0150.02Yield pointTensile StrengthElongationCharpyV impactMpaMpaJ(0)(Kgf/m)(Kgf/m)%-30≥400(41)≥490(50)≥22≥27 Specifications 1,Model:AWS E7018 2,Size:2.5*350mm,3.2*350mm,4.0*400mm,5.0*500mm 3,Certificates:ISO9001. 4,Good Price Good quality AWS E7018 CHEMICAL COMPOSITION OF MELTING METAL% C Mn Si S P ≤0.12 ≤1.60 ≤0.75 ≤0.035 ≤0.040 Reference Current Diameter(mm) 2.5 3.2 4.0 5.0 Current 90120 120150 170200 210250 Note: Before welding, it is necessary to clean the work piece and remove the impurities such as oil ,grease rust and moisture, bake the electrode at the temperature of about 350 degree centigrade for one hour. The welding must be carried out under short arc and is suitable for narrow path. When used DC, the electrode must be connected with positive polarity.