Spot Direct Selling Rubber Machine Screw Barrel Suppliers

Spot Direct Selling Rubber Machine Screw Barrel

Spot Direct Selling Rubber Machine Screw Barrel

Zhoushan Changjia Plastic machinery Co.,Ltd.

Nitridation hardness:HV800-1050
Nitration case depth :0.4-0.7mm
specification:Φ50/2 ,Φ65/2,Φ80/2,Φ90/2,Φ105/2,Φ125/2,Φ130/2,Φ150/2,Φ180/2,Φ200/2
Material:Quality 38CrMoAIA、Quality duplex stainless steel、Quality power metallurgy material
Birthplace: Zhejiang Province, China (mainland)

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Spot Direct Selling Rubber Machine Screw Barrel Details

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

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