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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 |
 |
| 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 | ||||||
