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) |
-20℃ | ||||
Guaranteed value |
≥400 |
480-660 |
≥22 |
≥27 |