TIGJQ-SAl5087
JQ.SAl 5087 is an aluminum-magnesium TIG welding rod containing 4.5% magnesium and a small amount of manganese, chromium and zirconium; It has excellent welding performance with smooth arc, low spatter level, beautiful and bright bead appearance. Characteristics of welding wire:
1. The product is applicable for welding aluminum alloy structures with high requirements on strength, crack resistance, bending resistance and corrosion resistance;
1. The product is applicable for welding aluminum alloy structures with high requirements on strength, crack resistance, bending resistance and corrosion resistance;
The product is applicable for welding aluminum alloys in marine engineering, railway, shipbuilding, lightweight transportation equipment and other fields.
Chemical components of welding wire (%)
|
Item
|
Si
|
Fe
|
Cu
|
Mn
|
Mg
|
Cr
|
Zn
|
Ti
|
Zr
|
Al
|
Be
|
Other elements
|
| Guarantee value | ≤0.25 | ≤0.40 | ≤0.05 | 0.70- 1.10 |
4.50- 5.20 |
0.05- 0.20 |
≤0.25 | ≤0.15 | 0.10-0.20 | Margin | ≤ 0.0003 | Single ≤0.05 Total ≤0.15 |
| Example value | 0.05 | 0.11 | 0.005 | 0.80 | 4.84 | 0.09 | 0.005 | 0.06 | 0.13 | Margin | 0.0001 | -- |
Reference current
|
Diameter of welding wire (mm)
|
Φ1.6-Φ2.0
|
Φ2.0-Φ3.0
|
Φ3.0-Φ4.0
|
Φ4.0-Φ5.0
|
| Current range (A) | 50-180 | 80-200 | 140-240 | 220-320 |
1. Before welding, impurities such as oxide film and oil stain on the welding edge of work piece and welding wire surface should be completely removed.
2. When welding, the backing plate should be used to hold the molten metal to ensure the formation of the bead.
2. When welding, the backing plate should be used to hold the molten metal to ensure the formation of the bead.
