Name: Fused submerged arc welding flux HJ257
AWS: AWS A5.17/5.23 F7A0-EH14
SAW wires: EH14, EA2, EA3, etc.
Power supply: DC (DCEP)
Grain size: 8-40 mesh (0.45-2.5mm)
Category: submerged arc welding of low alloy high strength steel
Description: HJ257 is fused flux with low manganese, medium silicate, medium fluoride content. It is brown or black glass-like granule. It is suitable for DC current, and please connect wire with positive electrode. It's featured with excellent welding performance, easy slag peeling, smooth weld bead appearance, etc. Welding flux HJ257 could be used to weld low alloy high strength steel like 15MnV, 14MnMoV, 18MnMoVNb with SAW wires like H08MnMoA, H08Mn2MoA, H08Mn2MoVA.
Package: damp-proof packing, 25kg/bag
Certification: ISO
Mechanical Properties of Deposit Metal
|
Accompanied Wire |
Yield Strength ReH (δs) MPa |
Tensile Strength Rm (σb) MPa |
Elongation A (δ5) % |
Charpy-V lmpact Test (J) |
|
-20℃ |
||||
|
EM14 |
≥400 |
480-660 |
≥22 |
≥27 |
