HJ431 is a kind of smelting-type, red brown to light yellow colored, glassy granulated flux with high manganese and silicon but low fluorine, mesh 8-14(2.5-1.5mm),8-40(2.5-0.45mm) and 14-40(1.5-0.45mm). Either alternating or direct current can be used and Welding wires must be connected with the positive electrode when direct current is used.
Fused submerged arc welding flux HJ431
Name: Fused submerged arc welding flux HJ431
AWS: AWS A5.17/5.23 F6A0-EL8 F6A2-EL12 F7A2-EM12K
SAW wires: EL8, EL12, EM12K, etc.
Power supply: DC (DCEP), AC
Basicity: 0.7-0.8 BIIW.
Grain size: 8-40 mesh (0.45-2.5mm)
Alloy transfer: No
Category: submerged arc welding of mild steel & low-alloy steel
Industry: structural steel construction, pipes welding, boilers, pressure vessel, ship building, etc.
Description: high Mn, high Si, low F fused flux. Glass-like granules. Excellent welding performance. Also suitable for electroslag welding and copper welding.
Package: damp-proof packing, 25kg/bag
Chemical Composition of Flux (%)
Mechanical Properties of Deposit Metal
Yield Strength ReH (δs) MPa
Tensile Strength Rm (σb) MPa
Elongation A (δ5) %
Charpy-V Impact Test(J)
DENGFENG, established in 1981, is one of the leading manufacturers and suppliers in China. Should you're interested in our fused submerged arc welding flux hj431 for aws el8 & el12 & em12k, welcome to buy our quality products with reasonable price. And the wholesale service is also offered in our factory.