Hard Conical Twin Extruder Screw Barrel for Pvc Pipe and Profile

Hard Conical Twin Extruder Screw Barrel for Pvc Pipe and Profile, Wear-abrasion&corrosion, Reliable quality - details see: https://www.machineto.com/hard-conical-twin-extruder-screw-barrel-for-pvc-pipe-and-profile-10334901

Place of Origin:Zhejiang China (Mainland)	Brand Name:BOHAI	Model Number:conical	Basic Material:38CrMoAlA,SKD61,GH113
Screw type:twin extruder screw	Final product:granules,pipe,sheet,plate,frofile,foam,wood plastic etc	Hardness:HRC58-68	Bimetallic layer:Tungsten Carbide
plastic processed:pvc/pe/pp/hdpe/pet	Standard:ISO9001	Warranty:Common 1-2 years,bimetallic is much longer

Product	Hard Conical Twin Extruder Screw Barre
Hardness after hardening and tempering	HB260°~320°
Nitrided Hardness	HV950°~1000°
Nitrided Depth	0.50~0.7mm
Nitrided Brittleness	above 2 stage
Surface Roughness	Ra0.4
Screw straightness	0.015mm
Hardess of surface chromium-plating after Nitriding	HV≥950HV
Chromium-plating Depth	0.05~0.10mm
ALLoy Depth	0.8~2.0mm
Alloy hardness	HRC56°~65°
Alloy	iron,nickel,tungsten,molybdenum
Types of screw	Gradual type,mutant type,wave type,barrier type,double screen type,shunt type,separation type,exhaust type,pin type,mixed type,double-head type,three-head type,multi head type etc.

Advantages of Hard conical twin extruder screw barrel for pvc pipe and profile :

1.Advanced Nitriding Technology
2.Anti-corrosion and Wear-resisting Duplex Alloy Spraying Technoloy

3.We use special alloy powders being sprayed and welded on the screw's ridge,and use different alloy and welding methods for the screw of different functions.

Application:

Rubber,various high glass fiber, mineral fiber and PPA,PPS, PA6T, LCP,VO fire protection, ferrous power, magnetic powder and etc. Meanwhile,Used for PVC + 30% CaCo3, recylced plastic material,etc.