Skip to product information
1 of 1

Golden Bridge

Golden Bridge (J427CrCu) Electrode

Golden Bridge (J427CrCu) Electrode

SKU:J427CRCU-3/32-11

Diameter
Package
View full details

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.