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Golden Bridge

Golden Bridge F7A4-EH14 (JQ-SJ102) Welding Flux

Golden Bridge F7A4-EH14 (JQ-SJ102) Welding Flux

SKU:SJ102-0055

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JQ.SJ102




JQ.SJ102 is a fluoride alkali type highly sintered flux. The alkalinity is about 3.5, it is a circular particles and the size is 2.0 ~ 0.28mm (10 ~ 60 mesh). With excellent welding technological properties, easy slag removal performance is good in groove, beautiful appearance; its low temperature toughness impact is higher. it is suitable for DC. Connect the wire to positive end while using DC.



Working with proper welding wires (such as H08MnA, H10Mn2, and H08MnMoA) it can be used for welding variety of low-alloy structure steel, steel for pressure vessel. It is used for multi-pass welding, double-sided single pass welding, multi-wire welding as well as submerged welding on narrow gap

Chemical Composition of flux (%)

Chemical Composition
SiO2+TiO2
CaO+MgO
Al2O3+MnO
CaF2
S
P
Guarantee Value ≤0.060 ≤0.080
General Result 15.5 43.5 18.8 22 0.033 0.032
 

Mechanical Properties of Deposited Metal
(In accordance with GB/T5293-1999 GB/T12470-2003)

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

H10Mn2
Guarantee Value 480~650 ≥400 ≥22 ≥27
General Result 550 450 30 136
H08MnMoA Guarantee Value 620~760 ≥540 ≥17 ≥27
General Result 690 585 22 70

H08Mn2MoA
Guarantee Value 690~830 ≥610 ≥16 ≥27
General Result 790 675 21.5 55
 




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)