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| Welding wire（trademark） |
Dia mm |
Tolerance mm |
Length mm |
| 5356（S331） |
2-5 |
±0.03 |
100 |
| 3005（S321） |
2-5 |
±0.03 |
100 |
| 1050（S301） |
2-5 |
±0.03 |
100 |
Note: All the chemical components are up to the standard GB3190-82.
Chief chemical components（％）：
5356（S331）：Mg4.5-5.5 Mn0.05-0.2 Cr0.05-0.2 Ti0.06
3005（S321）：Mg0.2-0.6 Mn1.0-1.5
1050（S301）：Al>99.5
Technical capability & usage：
| Trademark |
Melting point（℃） |
Cold bend（D=2T） |
Draw resistance（Mpa） |
Character & usage |
| S331 |
≈630 |
80 |
≥196 |
Corrosion resistance and high strength, wide range of usage.
Argon arc welding of aluminum alloys. |
| S321 |
≈650 |
180 |
≥164 |
Good corrosion resistance,
weldability and ductility. Gas welding, argon arc welding |
| S301 |
≈659 |
120-180 |
≥118 |
Good corrosion resistance,
weldability and ductility.Gas welding of pure aluminum, argon arc welding |
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