- Model NO.: bimetallic screw barrel
- Screw: Single-Screw
- Computerized: Computerized
- Material: Nitriding Steel
- Nitrided Hardness: HRC56-58
- Bimetallic Layer Hardness: HRC58-62
- Specification: ISO 9001: 2008 approved
- HS Code: 84779000
- Type: Sheet Extruder
- Automation: Automatic
- Size: Customize
- Nitrided Layer Depth: 0.5-0.8mm
- Bimetallic Layer Depth: 3mm
- Trademark: ZHONGYANG
- Origin: China
Screw Diameter: Ø 15mm- Ø 300mm
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
Bimetalic 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
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
Warranty and service: 1 year
Focus on quality and service.
Experienced manufacturer, we will be the best choice.
Antimony And Gold Raw Materials
Antimony Concentrate,Gold Concentrate,Ore Of Antimony,Antimony And Gold Raw Materials
HUNAN ZHONGNAN ANTIMONY&TUNGSTEN TRADING CO.,LTD , https://www.zhongnanats.com