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Golden Bridge

Golden Bridge E7015-G (JQ-J507FNH) Electrode

Golden Bridge E7015-G (JQ-J507FNH) Electrode

SKU:JQ-J507FNH-3/32-11

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JQ-J507FNH

 AWS A5.5 E7015-G
 ISO 2560-A-E 42 4 Z B 22 H5



JQ-J507FNH 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. It 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, meeting the requirements of weather-resistant alloy index I≥6.2.



The product is applicable for welding Q420qFNH weather-resistant bridge steel.

Chemical components of deposited metal (%)

Test item
C
Mn
Si
S
P
Ni
Cr
Cu
Example value 0.055 1.05 0.25 0.006 0.014 0.90 Appropriate amount 0.35
 

Mechanical properties of deposited metal (as-welded)

Test item
Rm(MPa)
ReL/Rp0.2(MPa)
A(%)
KV2(J)
-40℃
Example value 595 500 30 190
X-ray flaw detection requirements: Level I
Content of diffusible hydrogen in deposited metal: ≤5 ml/100g (thermal conductivity method or mercury method)

Reference current (DC+)

Welding electrode diameter (mm)
Φ3.2
Φ4.0
Φ5.0
Welding current (A) 80-120 130-180 170-220
 




1. Before welding, the welding electrode should be baked at 350-400℃ for 1h for ready use. It should be put in a constant temperature box at 100 - 150℃ for use any time.
2. Impurities such as rust, oil stain and moisture must be removed from the work piece before welding.
3. Operating with short arc operation and narrow gap as possible.


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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)