Plastic Extruder Screw Elements and Segments Barrel 

Plastic Extruder Screw Elements And Segments Barrel Specification: Parallel twin screw diameter: Φ 18-Φ 177mm Material: 1)W6Mo5Cr4V2 2)38CrMoAlA(JIS SACM645) 3)42CrMo(AIS14140) 4)S45C Technics: 1)Heat treatment 2)Nitriding treatment 3)Vacuum quenching Technical parameter: D/d ratio: 1.55 Nitrided layer depth: >=0.4mm Nitrided hardness: 900-1000HV Warranty and service: 1 year Our advantages: 1)Excellent raw materials 2)Good customer service 3)Rapid delivery 4)Reasonable price 5)Production quickly Experienced manufacture, we will be the best choice.