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TIG welding wire


Description: ER70S-4 is a kind of mild steel copper welding wire, suitable for CO2 gas protective welding. With stable feasibility, good welding seams. Less spatter and excellent welding process properties.

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
 
 Packaging Wire Size Spool Size Net Weight
φ0.8~1.6(mm) D100mm D200mm D270mm D300mm K300mm 1kg,5kg,15kg,17kg,18kg,20kg
 


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
 
 
Wire Size(mm) φ0.8 φ1.0 φ1.2 φ1.6 Welding position http://www.hb-hardware.com/Upload/WebEditor/2009_12/08203557631.jpg
Welding current(A) 40~140 50~220 80~350 120~450
Please be noted Wire shall be stocked in dry.open the packs just when welding to avoid the wire rust.
Before welding please clean out the oil,rust,water etc from the work parts