Technical Information
Main Base materials
1.38CrMoAlA (SACM645)
Main Alloy Materials
1. Ni-based alloy/Deloro alloy
Processing Technics
1. Heat treatment
Technical parameters
Nitriding layer depth: 0.5-0.8mm
2. Quenching
Nitrided hardness: 900-1000HV
3. Nitriding treatment
Bimetallic layer depth: 0.8-2 mm
4. Bimetallic alloy welding for screw
Bimetallic hardness: 57~65HRC
5. Bimetallic alloy centrifugal casting for barrel
Hard-chrome plating hardness after nitriding: ≥950HV
6. Hard-chrome electroplating
Chrome-plating layer depth:0.03-0.09mm
Linearity of screw: 0.015mm
Surface roughness: Ra 0.4
φ90/33 screw Photos:
Other Products Show
Bimetallic plastic extrusion conical twin screw barrel:ready for delivery
Bimetallic screw barrel after nitriding:usually we have such semi-finished screw barrel in store.when customer order,we will do polishment finally and do shipment within 5 days. Company Information BATTEN is located in Zhoushan City, the largest manufacture base of Screw Barrel in China. With 1500 SQ.M workshop, and 40 experienced emplyees are equiped at BATTEN.
We equipped advanced technology and equipment for processing, test, as well as extended experience for design, nitrided , chrome plating, stainless steel, bimetallic and HVOF ( surface spraying technology) treatment for different demands. we are able to design and make products as per your drawing and present parts. With high quality products, satisfies and prompt sevice , looking forward to cooperate with you.
Exhibition
https://www.battenscrew.com/hdpe-ppr-pipe-screw-barrel/