Name of Item: Agglomerated Flux LHSJ301
Execute standards: GB/T5293-1999 F4A0-H08A; F5A2-H08MnA; NB/T47018.4-2011
( Equivalent to AWS F7A0-EL8 / AWS F7A0 – EL12; F7A2 / F7A4-EM12K )
Specification of flux：
Flux LHSJ301 is a neutral silicon and calcium sintered flux with ball form granular of brown, grain size of 10mesh~60mesh. It can be used on AC or DC+ with large electric current. The welding character is stable arc, easy slag removal and smooth welding bead.
Application of flux：
This flux is suitable for the welding of structures, boilers, pipelines and etc.
The composition chemical of flux ( %): Basicity= : Neutral Flux
SiO2+TiO2: 35-45; CaO+ MgO: 20-35; Al2O3+MnO: 20-35;
CaF2+FeO: 5-15; S: 0.021 max; P: 0.030 max;
Mechanical properties of deposited metal：
Yield strength σs (MPa): ≥330;
Tensile strength（σb）(Mpa): 415-- 550
Elongation （δs）%: ≥22
Impact Akv ( J ) ( ℃ ) -20℃ : ≥ 27 ;
Tested and combination With welding wire F4A0- H08A (AWS EL12 ):
Yield strengthσs (MPa): 397;
Tensile strength （σb）(Mpa): 516;
Elongation （δs）%: 32;
Impact Akv ( J ) ( ℃ ) 0℃: 67;
The instruction of usage:
Dry the flux at 300℃ ~ 350℃for 2 hours before use．
Remove the rust,oil and dirt from the surface of welding groove;
