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Golden Bridge

Golden Bridge E8015-G (JQ-J557GX) Electrode

Golden Bridge E8015-G (JQ-J557GX) Electrode

SKU:JQ-J557GX-3/32-11

Diameter
Package
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JQ-J557GX




JQ-J557GX is a low alloy carbon steel welding electrode with low-hydrogen sodium coating for pipeline steel, which adopts DCEP connection method. It is permitted for all positions welding. It has good welding performance with smooth and soft arc, low spatter level and effortless slag removal ability. The deposited metal has excellent plasticity, low-temperature toughness and crack resistance



The product is applicable for the welding of X65 pipeline steel and low alloy steel with corresponding strength grade.

Chemical components of deposited metal (%)

Test item
C
Mn
Si
S
P
Ni
Cr
Mo
V
Cu
Example value 0.070 1.25 0.28 0.009 0.016 0.95 0.020 0.18 0.001 0.012
 

Mechanical properties of deposited metal (as-welded)

Test item
Rm (MPa)
ReL/Rp0.2(MPa)
A(%)
KV2(J)
-30℃
Example value 600 500 27 145
X-ray flaw detection requirements: Level I

 

Welding electrode diameter (mm)
ΦΦ2.5
Φ3.2
Φ4.0
Φ5.0
Welding current (A) 60-90 90-130 140-180 170-210
 




1. Before welding, the welding electrode should be baked at about 350 - 400℃ for 1h, and put in an incubator at 100 - 150℃ for ready use.
2. Impurities such as rust, oil stain and moisture must be cleared off of the work piece before welding.
3. Operating with short arc and narrow gap when welding.


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Diameter

* 3/32 inches (2.5 mm), * 1/8 inches (3.2 mm), * 5/32 inches (4.0 mm), * 3/16 inches (5.0 mm)

Package

11 lb (5 kg), 44 lb (20kg)