Fused submerged arc welding flux HJ350

fused flux for submerged arc welding process

Name:                  Fused submerged arc welding flux HJ350

AWS:                   AWS A5.17/5.23 F7A0-EH14, F7A2-EM12K

SAW wires:          EL8, EL12, EM12K, EH14, etc.

Power supply:       DC (DCEP), AC

Grain size:            8-40 mesh (0.45-2.5mm)

Alloy transfer:       No

Category:             submerged arc welding of mild steel & low-alloy steel

Industry:              ship building, boiler, high pressure vessel, etc.

Description:        HJ350 is medium Mn, medium Si, medium F fused flux. Glass-like granules. It could be used with DC/AC current. It's featured with excellent welding performance and mechanical properties. Welding flux HJ350 could be used to weld important low alloy steel structures (16Mn, 15MnV, 15MnVN), such as ship building, boiler, high pressure vessels, etc.

Package:              damp-proof packing, 25kg/bag

Certification:          ISO

Chemical Composition of Flux (%)

SiO₂ MnO CaF₂ Al2O3 CaO FeO S P
30-35 14-19 14-20 13-18 10-18 ≤1.0 ≤0.06 ≤0.08

Mechanical Properties of Deposit Metal

Wire EH14 Yield Strength ReH (δs) MPa Tensile Strength Rm (σb) MPa Elongation A (δ5) % Charpy-V lmpact Test (J)
Guaranteed value ≥400 480-660 ≥22 ≥27

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