Conical twin screw and barrel:
Specification: Mix Φ35/77; Max: Φ92/188. Raw Material tempering hardness: HB≥280 Nitriding surface hardness: HV≥900 Nitriding deepth: 0.6-0.8mm
Purpose: WPVC, WPE, super high molecular Sheet, 1:2 high culcium buckle, 50%-400% calcium compound pipe, 50%－300% calcium compound profile, flexable PVC sheet, etc, PP, PE, ABS, PVC, pelletizer, pipe and sheet.
Raw Material	Hardening
38CrMoAlA, SACM645,	Nitriding
Cr12MoV, Cr12,	quenching
38CrMoAlA, SACM645, 40Cr. AISI4140, 42CrMo	Melt bimetallic alloy inside
GHⅡ3,	Nature harden after heating