آلة المطاط برغي برميل

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