Parallel Twin Screw and Barrel Parallel Twin Screw And Barrel,Injection Screw And Barrel,Twin Screw And Barrel For Extruder,Carbide Screw Barrel For Plastic Extruder Machine Zhejiang Guangming Plastics Machinery Co.,Ltd. , https://www.gmscrews.com
**Specifications:**
Screw Diameter: Ø 20mm – Ø 220mm
Mold Clamping Force: 250T – 3200T
Shot Weight: 30g – 30,000g
**Base Materials:**
(1) 38CrMoAlA (JIS SACM645)
(2) 42CrMo (AISI 4140)
(3) 4Cr5MoSiV1 (JIS SKD-61)
**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
**Technologies Used:**
Heat treatment
High-frequency hardening
Nitriding treatment
Hard-chrome plating
Bimetallic alloy welding
Bimetallic alloy centrifugal casting
**Technical Parameters:**
Nitrided Layer Depth: 0.5–0.8mm
Nitrided Hardness: 900–1000HV
Nitrided Brittleness: Less than Grade 1
Surface Roughness: Ra 0.4μm
Screw Straightness: 0.015mm
Hard-chrome Plating Hardness After Nitriding: ≥ 950HV
Chrome Plating Thickness: 0.025–0.085mm
Bimetallic Layer Thickness: 3mm
**Warranty & Service:** 1 Year
We focus on quality and customer satisfaction. With years of experience in manufacturing, we are your reliable partner for high-performance components. Whether you need customized solutions or standard parts, we ensure precision, durability, and timely delivery. Let us be your trusted supplier for all your industrial needs.