Min. Order: | 1 Set/Sets |
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Trade Term: | FOB |
Payment Terms: | L/C, T/T |
Supply Ability: | 300sets/month |
Place of Origin: | Zhejiang |
Location: | Zhoushan, Zhejiang, China (Mainland) |
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Business Type: | Manufacturer, Trading Company |
Main Products: | Screw Barrel, Extrude Single Screw, Parallel Twin Barrel |
Model No.: | PT-102 |
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Means of Transport: | Ocean, Land |
Brand Name: | Vanscrew |
Marerial: | 38CrMoALA |
Screw Dia: | 92/2 |
Screw type: | Parallel twin screw |
Ratio of length to diameter: | L/D=16-36 |
Port: | Ningbo |
Production Capacity: | 300sets/month |
Packing: | wooden case |
Delivery Date: | 45days |
Material for Parallel twin screw barrel for pvc feed extruder
material | Yield Force MPA | Effective hardness | Treatment Mode | Surface Wear Resistance | Bottom Layer Resistance | Anticorrosion |
Alloy Steel | ||||||
JIS SACM645(38CrMoALA) | 890 | 56-62Rc | Nitriding | Good | Bad | Bad |
AISI4140 (42CrMo) | 689 | 48-56Rc | Quench | Ok | Bad | Bad |
AISI 4340 | 758 | 48-56Rc | Quench | Ok | Bad | Bad |
NITRALLOY 135M | 586 | 60-70Rc | Quench | Good | Good | Bad |
Tool Steels | ||||||
D-2 | 2068 | 58-60Rc | Quench | Good | Good | Bad |
CPM-9V/V4 | 1965 | 52-55Rc | Quench | Good | Good | Ok |
VPM-590/V10 | 22411 | 56-59Rc | Quench | Good | Good | Good |
Stainless Steel | ||||||
304 | 241 | 48-56Rc | Quench-Alloy | Good | Bad | Good |
316 | 241 | 48-56Rc | Quench-Alloy | Good | Bad | Good |
416 | 793 | 56-60Rc | Quench-Alloy | Good | Bad | Good |
Technical Parameter
Material | 38CrMoALA,9Cr18MoV |
Application | PVC,ABS,TPO |
Hardness After Hardening &Tempering: | HB240 -280 |
Nitrided Hardness: | Hv850-1000 |
Nitrided Depth: | 0.45-0.7mm |
Nitrided Brittleness: | ≤Grade 2 |
Surface Roughness: | Ra0.4 |
Screw straightness: | 0.015mm |
Surface Chromate-plating's Hardness After Nitrided: | ≥900Hv |
Chromate-plating Depth: | 0.05-0.10mm |
Bimetallic-alloy Hardness: | HRC56 -65 |
Alloy Depth: | 0.8-2.0mm |
Parallel twin screw and cylinder
Hardness check
Equipment