Fused Flux Welding Flux Hj-257

Appearance: Brown or black glassy particles

Particle size: 8-40 mesh

Packaging: Bags, ton bags, barrels

Product Introduction

HJ257 It is a melting type low manganese medium silicon medium fluorine flux. It is brown or black glassy particles with a particle size of 2.5-0.45 mm(8-40Order ).Use DC power supply, welding wire connected X  , The welding process is good, the slag is easy to remove and the shape is beautiful.

use

With appropriate welding wire, such as H08MnMoA,H08MnMo2A,H08Mn2MoVA Weldable low alloy high strength steel, such as 15 MnV,14MnMoV,18MnMoNb wait.

Deposited Metal Analysis (in accordance with GB/T36037-2018  GB/T5293-2018)

  Matching wire tensile strength yield strength elongation AKV(J) 

-20°C 

H10Mn2 490-670 ≥390 ≥18 ≥27 

Precautions

1.Before welding X   Should be between 300-350 ºCBake for 1.5-3 hours.

2.Impurities such as rust, oil stains and moisture must be removed from the workpiece