Description:
Zt. Hj251 welding flux is a fused type low manganese-oxide flux with jadestone granule of yellow color about 10-60 mesh in size. It can be used on AC or DC power source. It provides good welding usability.
Applications:
This flux is primarily used for welding of pearlitic heat resistant steel turbine rotors with cr mo wire.
Guidelines for usage:
1. Dry the flux at 300-350 for 2 hours before use.
2. Completely remove rust, oil and dirt from the groove surface prior to welding.
SiO2+AI2O3
CaF2+CaO+MgO
S
P
36-45
40-53
≤0.05
≤0.08
TYPICAL MECHANICAL PROPERTIES OF WELD METAL: (GB/T12470-03F5011-HIOMn2)
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