ER70S-4 Used for weld high tensile steel at 490N/mm2 grade

Description: ER70S-4 is a kind of mild steel copper welding wire, suitable for CO2 gas protective welding. With stable feasibility, good welding seams. Application: Used for weld high tensile steel at 490N/mm2 grade, low current, usually used for steel 15,20 Conform with: GB/T: ER50-4 BS: A18 DIN: SG2 AWS: ER70S-4 JIS: YGW12
chemical composition of welding wire(%) C Mn Si P S Cr Ni Cu
0.07~0.15 1.00~1.50 0.65~0.85 ≤0.025 ≤0.035 - - ≤0.50
Mechanical Properties or Deposited Metal Yield strengthσ0.2(Mpa) Tensile strengthσb(Mpa) Elongationδ5(%) AKV impact(J)
420 ≥500 ≥22 Not Specified
We support OEM production, so we can purchase materials according to your needs to achieve more suitable prices. HYUNDAI, GOLD, BESTWEL, WELDFAST ITCE, SINO-AMERICA have all come to our factory to visit, very satisfied with our production and finished products, and have always maintained cooperation WE HAVE HIGH AND LOW TEMPERATURE TEST ,POWER STABILITY TEST ,SHORT CIRCULT TEST,ARC STRIKING TEST ,DROP TEST and we HAVE CE ,TUV ,LR ,DB,ABS,AND SO ON