Product Description
Submerged Arc Welding Flux HJ431
HJ431
Specification: AWS A5.17 F6A2-EL12
Applications:
Butt and flat fillet welding of miniature LPG tanks, ships, vehicles, agricultural implements, machinery, boilers, bridges, structural steels.
Characteristics: HJ431 is a fused glassy granulated flux
Metallurgical behavior:
High silicon and manganese pick-up is obtained.
Grain size: 14 to 60 mesh
Basicity: 0.7(BIIW)
Damp flux should be re-dried at 300-350℃ for 2 hours. Rust, grease and moisture on the weldment should be removed before welding.
Chemical Composition of HJ431(%)
| SiO2 | CaF2 | Al2O3+MnO | CaO+MgO | FeO | S | P |
| 40-44 | 3-7 | 35-42 | 7-14 | ≤1.80 | ≤0.06 | ≤0.08 |
Mechanical Properties of the Deposited Metal with Wire EL12
| Tested Items | Yield Point
σ s(Mpa) |
Tensile Strength
σ b(Mpa) |
Elongation
σ 5(%) |
Impact Value
Akv(-20℃)(J) |
| Average Results | ≥400 | ≥500 | ≥22 | ≥48 |
