single screw barrel for extruder

Specifications: Screw diameter: Ø15-Ø360 L/D=15-45 Screw structure and compression ratio can be designed according to different products and raw material. Material 1) 38CrMoAlA(JIS SACM645) 2) Cr12MOV(JIS SKD-11) 3) 4Cr5MoSiV1(JIS SKD-61) 4) 42CrMo(AISI 4140) 5)40Cr 6)9Cr18MOV Surface Treatment 1) Heat Treatment 2) High Frequency Treatment 3) Nitriding treatment 4) Hard Chrome Plating treatment 5) alloy plating treatment Screw type: common type, gradual type,sudden type,barrier type,pinned type,exhaustive type,separate type,granulation type,wave type.