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Golden Bridge

Golden Bridge F7A4-EG (JQ-SJ101Q) Welding Flux

Golden Bridge F7A4-EG (JQ-SJ101Q) Welding Flux

SKU:SJ101Q-0055

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JQ.SJ101Q




JQ-SJ101Q is a fluorine-alkali type sintered flux, which has excellent welding performance with smooth arc, effortless slag removal ability and optimal bead appearance. It is characterized by its application in bridge industry with submerged-arc-welding wire for bridge steel.



The flux is specially designed for bridge steel welding. Working with proper welding wires (such as H08MnE, H08m2e, H08Mn2R, CJQ-1,H60Q), it can be used in welding various low-alloy bridge steels and pressure vessel steels.

Chemical components of sintered flux (%)

Item
MgO+CaO+MnO+CaF2
SiO2
CaF2
S
P
Example value 62 18 26 0.018 0.033
 

Mechanical properties of deposited metal

Test itemCombined welding wire
Rm
(MPa)
ReL/Rp0.2
(MPa)
A
(%)
KV2 (J)
-20℃
-40℃
JQ-H08MnE 485 380 31.0 70  
JQ-H08Mn2E 550 440 28.5 -- 100
JQ-CJQ-1 560 453 29 -- 120
JQ-H60Q 655 560 25.5 80 --
 




1.The welding-flux must be baked at 300-350℃ for 2 hours before use.
Impurities such as rust, oil stain and moisture must be removed from the work piece before welding.

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Package

55 lb (25 kg), 550 lb (250 kg)