Fused Submerged ARC Welding Flux HJ431 for AWS EL8 & EL12 & EM12K

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.

Product Details

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

Certification: ISO


Chemical Composition of Flux (%)


SiO₂

MgO

Al₂O₃

MnO

CaO

FeO

S

P

40-44

5-8

≤6

32-38

≤8

≤1.8

≤0.06

≤0.08



Mechanical Properties of Deposit Metal

Accompanied Wire

Yield Strength ReH (δs) MPa

Tensile Strength Rm (σb) MPa

Elongation A (δ5) %

Charpy-V Impact Test(J)

-20℃

EL12

415-550

≥330

≥22

≥27

EM12K

415-550

≥330

≥22

≥27

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.

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