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Golden Bridge

Golden Bridge F7AZ-EL8 (JQ-SJ402) Welding Flux

Golden Bridge F7AZ-EL8 (JQ-SJ402) Welding Flux

SKU:SJ402-0055

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JQ.SJ402




JQ.SJ402 is a kind of Silicon manganese acid sintered flux, the alkalinity is about3.2, it is a circular particles and the size is 2.0 ~ 0.28mm (10 ~ 60 mesh). With excellent welding technological properties, stable arc, slag detachability, beautiful appearance; the flux is insensitive of rust, oil and oxide film on the work piece when welding. AC and DC both are applied. Connect the wire to positive end while using DC.



Working with H08MnA welding wires can be used for welding low carbon steel and some low alloy of thin steel plate and medium steel plate. It is used for welding metal structure of locomotive and mining machinery, especially suitable for high-speed welding on thin plate.

Chemical Composition of flux (%)

Chemical Composition
SiO2+TiO2
CaO+MgO
Al2O3+MnO
S
P
Guarantee Value ≤0.060 ≤0.080
General Result 30.5 10.5 58.5 0.045 0.023
 

Mechanical Properties of Deposited Metal
(In accordance with GB/T5293-1999)

Test ItemFlux
Rm(N/mm2)
Rel/Rpo.2(N/mm2)
A (%)
KV2(J)-40℃

H08A
Guarantee Value 480~650 ≥400 ≥22 ≥27
General Result 520 410 30 73
 




1. The welding wires should be preheated 2 hour at 300~350℃ before welding.
2. The impurities such as rust, oil stains and moisture must be cleared off of the work piece.

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Package

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