Golden Bridge
Golden Bridge E7018-G (J507FeNi) Electrode
Golden Bridge E7018-G (J507FeNi) Electrode
SKU:J507FENI-3/32-11
J507FeNi
J507FeNi is a low-alloy steel welding electrode with Fe powder low-hydrogen sodium coating which adopts DCEP connection method. The product is designed for all positions welding and has excellent welding performance and good low-temperature impact toughness.
It is applicable for welding low temperature steel pressure vessels, such as 16MnDR.
Chemical components of deposited metal (%)
Test item |
C |
Mn |
Si |
S |
P |
Ni |
Example value | 0.070 | 1.12 | 0.35 | 0.006 | 0.016 | 1.40 |
Mechanical properties of deposited metal (620℃×1h heat treatment)
Test item |
Rm (MPa) |
ReL/Rp0.2 (MPa) |
A (%) |
KV2(J) |
-40℃ | ||||
Example value | 575 | 460 | 30 | 140 |
X-ray flaw detection requirements: Level I
Reference current (DC+)
Welding electrode diameter (mm) |
Φ3.2 |
Φ4.0 |
Φ5.0 |
Welding current (A) | 90-120 | 120-180 | 160-210 |
1. The welding electrode should be baked at about 350℃ for 1h before welding, and it should be preheated only upon use.
2. Impurities such as rust, oil stain and moisture must be cleared off of the work piece before welding.
2. Impurities such as rust, oil stain and moisture must be cleared off of the work piece before welding.




