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| Mild Steel Welding Wire ER70S-4 |
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Description£º
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£º
Used for weld high tensile steel at 490N/mm2 grade, low current, usually used for steel 15,20
Conform with£º
GB/T£º ER50-4 BS£º A18 DIN£º SG2
AWS£º ER70S-4 JIS£º YGW12
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| Packaging |
Wire Size |
Spool Size |
Net Weight |
| ¦Õ0.8~1.6(mm) |
D100mm D200mm D270mm D300mm K300mm |
1kg¡¢5kg¡¢15kg¡¢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 |
¡Ü0.025 |
¡Ü0.035 |
- |
- |
¡Ü0.50 |
| Mechanical Properties or Deposited Metal |
Yield strength¦Ò0.2(Mpa) |
Tensile strength¦Òb(Mpa) |
Elongation¦Ä5(%) |
AKV impact(J) |
| 420 |
¡Ý500 |
¡Ý22 |
Not Specified |
| Wire Size(mm) |
¦Õ0.8 |
¦Õ1.0 |
¦Õ1.2 |
¦Õ1.6 |
Welding position |
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| 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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