Golden Bridge
Golden Bridge (J427CrCu) Electrode
Golden Bridge (J427CrCu) Electrode
SKU:J427CRCU-3/32-11
J427CrCu
J427CrCu is a low alloy weathering steel welding electrode with low-hydrogen sodium coating, which adopts DCEP connection method and is permitted for all positions welding. The deposited metal has excellent atmospheric corrosion resistance, good plasticity and low-temperature toughness.
The product is applicable for welding weather-resistant steel such as 12MnCrCu.
Chemical components of deposited metal (%)
Test item |
C |
Mn |
Si |
S |
P |
Cr |
Cu |
Example value | 0.063 | 0.65 | 0.30 | 0.006 | 0.015 | 0.60 | 0.30 |
Mechanical properties of deposited metal (as-welded)
Test item |
Rm (MPa) |
ReL/Rp0.2 (MPa) |
A (%) |
KV2(J) -20℃ |
Example value | 565 | 470 | 27 | 155 |
X-ray flaw detection requirements: Level I
Reference current (DC+)
Welding electrode diameter (mm) |
Φ3.2 |
Φ4.0 |
Φ5.0 |
Welding current (A) | 80-120 | 130-180 | 170-240 |
1. The welding electrode shall be baked at 350℃ for 1 hour before welding, and shall be baked on demand.
2. Impurities such as rust, oil stain and moisture must be removed from the work piece before welding.
2. Impurities such as rust, oil stain and moisture must be removed from the work piece before welding.




