Screw straightness：0.015mm
Tempering hardness：HB260-290
Nitride hardness：HV800-1050
Material：quality 38CrMoAIA, quality duplex stainless steel, Quality power metallurgy material
Birthplace: Zhejiang Province, China (mainland)
Tempering hardness：HB260-290
Nitridation hardness：HV800-1050
Nitration 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 hardness：0.8-2.0mm
Quality 38CrMoAIA
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
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