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JH-251 Welding Flux

JH-251 is a type of fused flux with low Mn, medium Si and medium F content, light yellow to light green pumiceous grains in appearance. Its grain size is 10--60meshes. It adopts DC Power supply, and the welding wire is connected to the positive electrode, and the welding process performance is good.

Combining with Cr and Mo steel wires, JH-251 can weld pearlitic heat-resistant steel, such as welding steam turbine rotor. It can also be used for welding other low alloy steels

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SPECIFICATION

COMPOSITION
SiO2 +AI2O3	CaF2+CaO+MgO	S	P
36-45	40-53	≤ 0.04	≤ 0.04

PICTURE