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Detailed Description
Conformingto:GB /T5293 S49A3UAR-SU26
Equivalent to:AWS-A5.17 F7A2-EM12K AAR 188 AC HP5
Description
Agglomerated acid flux for welding of low carbon steel and low alloy steel in combination with appropriate SAW wire (such as EL8,EM12. EM12K). SJ503 can produce weld bead with resistance to porosity and to cracking. Especially being applied to the double layer with single pass weld and fllet weld.
Flux type: Aluminum-Rutile
Basicity index:0.8
Grain size:2.0-0.28mm(10-60meshes)
Typical all weld metal mechanical property
Wire matched |
Yield Stressos MPa |
Tensile Strength MPa |
Elongation 85% |
Impact energy AKV(J) |
-30℃ |
||||
HO8MnA(EM12K) |
≥400 |
480-650 |
≥22 |
≥27 |
Remark
1. Before welding, fluxes should be baked for two hours at 300-350℃
2. Removal of rust, oil, dirt, water, impurities, etc in welding-areas.
Compositions of fluxes(%)
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