Technical parameter
Depth of nitration
0.5-0.8mm
Hardness of nitration
950-1020HV
Straight of screw
0.015MM
Fragility of nitration
Less than grade 1
Roughness of surface
Ra 0.4um
Depth of alloy layer
2-3mm
Hardness of alloy
HRC58-62
Hardness after hardening and tempering
HB260-290
Hard chrome plating thickness
0.03-0.08mm
Hardness of hard chrome plating
≥950HV
