ER70S-4 SG2 Welding Wire
ER70S-4 SG2 Welding Wire
ER70S-4 SG2 Welding Wire
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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 | 0.07~0.15 | 0.65~0.85 | ≤0.025 | ≤0.025 | - | - | ≤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 | ||||||
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