Screw straightness:0.015mm
Tempering hardness:HB260-290
Specification:Φ50/2 (2 Represents twin screw),Φ65/2,Φ80/2,Φ90/2,Φ105/2,Φ125/2,Φ130/2,Φ150/2,Φ180/2,Φ200/2
Material:Quality 38CrMoAIA, high quality powder metallurgy materials
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 depth:0.8-2.0mm
Material and technology
Quality38CrMoAIA
Quality power metallurgy material
Cold/hot spraying hard metal technology
Advanced nitriding technology
Corrosion resistance, wear-resisting dual alloy spraying technology
Specification:
Φ50/2 (2 Represents twin screw),Φ65/2,Φ80/2,Φ90/2,Φ105/2,Φ125/2,Φ130/2,Φ150/2,Φ180/2,Φ200/2
Zhoushan Changjia Plastic machinery Co.,Ltd.