Parallel Screw Barrel

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

Packaging Details: Wooden packaging Port: Port of Ningbo Lead Time:25~40 days after signing the contract