SAW Flux HJ251

1.Smelting flux 2.Light yellow to light green 3.Grain size:10~60 meshes 4.Delivery time:22 days 5.MOQ: 1 ton

Fit	GB/T12470-2003	F5A2-H08MnMoA
Equivalent to	AWS-A5.23M	F5A2-EA2-A2

1.Low-Mn, mid-Si and mid-F fused flux.

2.Current:direct current(DC).

usage:

1.for welding steam turbine rotor, synthetic chemical containers, nuclear power plant and refractory steels(for example, oil refining equipment).

2.Performance of all-weld metal:high stability, high temperature resisting creep degeneration, lasting plastic toughness, oxidation corrosion resistance, and excellent brittleness resistance.

Chemical compositions:

AL2O3+MnO	CaO+MgO	TiO2 +SiO2	CaF2	others	S ,P
25~33	17~23	18~22	23~28	≤ 10	≤ 0.05

Mechanical property:

Item	Yield strength(Mpa)	Tensile strength (Mpa)	Elongation (%)	Impact absorption rate      Akv(J)20°C
Result	≥510	≥600	≥35	120

Cautions:

1.Impurities on the welding surface must be removed, such as oil stain, moisture, iron rust, etc.2.Flux must be baked for 2 hours under the temperature of 250~300°c before welding.

SAW Flux HJ251