GB SAI 1070
Conform to: AWS ER1070
EN ISO S AL 1070 (Al99.7)
Description:
ER1070 is aluminum welding wire with 99.7%Al. It has good welding ability and corrosion resistance, well plasticity and tenacity, but low strength.
Application:
Argon arc welding and oxy-acetylene gas welding pure aluminum, widely used to weld aluminum alloy in chemical, electricity industry, aluminun made equipments.
aluminum busbar, distribution box, heat exchanger, spray metal, chemical, building and food industry, low strength corrosion resistant containers and cabinets.
Chemical Composition of welding wire (%)
| Si | Fe | Cu | Mn | Mg | Zn | V | Ti | Be | Al |
| ≤0.20 | ≤0.25 | ≤0.04 | ≤0.03 | ≤0.03 | ≤0.04 | ≤0.05 | ≤0.03 | ≤0.0003 | ≥99.7 |
Remark: each other element ≤0.03%, total other elements ≤0.15%
Mechanical properties of deposited metal
| Yield strength (N/mm²) | Tensile strength Rm (N/mm²) | Elongation ratio A(%) | |||||
| 35 | 90 | 42 | |||||
Shielding gas: 100%Ar, 75% Ar+25%He, 50%Ar+50%He
Electrical polarity: MIG DC+; TIG AC
