MH J507 ER7015-G is low alloy weathering steel welding electrode with low-hydrogen sodium coating, which adopts DCEP connection method and is permitted for all positions welding. it applicable for welding marine atmospheric corrosion resistant steel with tensile strength of 490MPa, such as welding of coastal bridges and coastal steel structures.
This model welding rod has excellent welding performance with smooth arc, low spatter level and effortless slag removal ability.
The deposited metal has excellent low-temperature toughness and good marine atmospheric corrosion resistance
| Chemical components of deposited metal (%) | ||||||||
| Test item | C | Mn | Si | S | P | Ni | Mo | Cu |
| Example value | 0.052 | 0.6 | 0.2 | 0.005 | 0.012 | 3.33 | Appropriate amount | 0.4 |
| Reference current (DC+) | |||
| Welding electrode diameter (mm) | Φ3.2 | Φ4.0 | Φ5.0 |
| Welding current (A) | 80-120 | 130-180 | 170-220 |
