Tempering hardness:HB260-290
Nitridation hardnessNitration case depth:0.4-0.7mm
Nitridation brittleness ≤ grade 1
Surface roughness:Ra0.4
Screw straightness:0.015mm
Chromium coating hardness after nitridation:≥900HV
Chromium coating thickness:0.05-0.10mm
Dual alloy hardness:HRC56-65
Dual alloy depth:0.8-2.0mm
Material and technology
Quality38CrMoAIA
Quality duplex stainless steel
Quality power metallurgy material
Cold/hot spraying hard metal technology
Advanced nitriding technology
Corrosion resistance, wear-resisting dual alloy spraying technology
Material:38CrMoALA
Tempering hardness:HB260-290
Nitridation hardness:0.40-0.70mm
Surface hardness:HV940-1050
Surface roughness:Ra0.4um
Screw straightness:0.015mm
Chromium coating hardness after nitridation:≥950HV
Chromium coating thickness:0.03-0.08mm
Dual alloy depth:HRC55-62