PP-R PE Pex Extrusion Screw Barrel

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Model NO.	PPR PE PEX extrusion screw barrel	Nitrided Hardness	HRC56-58
Material	Nitriding Steel	Size	Customize
Transport Package	Slushing Oil Coated& Film Wrapped in Wooden Case	Specification	ISO 9001: 2008 approved
Trademark	ZHONGYANG	Origin	China
HS Code	84779000	Production Capacity	150 Sets/ Month

Product Details

Product Description

PP-R PE PEX Extrusion Screw Barrel, extruder screw barrel, plastic machinery screw barrel
Screw Diameter: Ø 15- Ø 300
L/D ratio: 15-46
Product classification:
Aiming at different plastic products the screw can be chosen from: General type, pin type, barrier type, separation type, and gas-exhausting type, etc.

Base Materials:
(1)38CrMoAlA(JIS SACM645)
(2)42CrMo(AISI 4140)
(3)4Cr5MoSi V1 (JIS SKD-61)
(4)9Cr18MOV
(5)HPT

Bimetallic alloy materials:
1)Fe-based alloy
2)Ni-based alloy/Deloro alloy
3)Co-based alloy
4)NiCo-based alloy
5)Tungsten carbide/Wolfram carbide

Technics:
Heat treatment
High-frequency quenching
Nitriding treatment
Hard-chrome electroplating
Bimetallic alloy welding
Bimetallic alloy centrifugal casting

Warranty and service: 1 year
Focus on quality and service.
Experienced manufacturer, we will be the best choice.

Technical parameter:
Nitrided layer depth:	0.5-0.8mm
Nitrided hardness:	900-1000HV
Nitrided brittleness:	Less than grade 1
Surface roughness:	Ra0.4
Linearity of screw:	0.015mm
Hard-chrome plating hardness after nitriding:	≥ 950HV
Chrome-plating layer depth:	0.025-0.085mm
Bimetallic layer depth:	3mm