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Extruder Barrel and Screw Specification : Ø20mm~Ø300mm
Draw Ratio： L/D=15~55
Technical Parameter | |
Quenching and Tempering Hardness：HB280-320 | Screw Straightness：0.015mm |
Nitriding Hardness：HV850-1000 | Nitrided Chromium Coating Surface Hardness≥900HV |
Nitriding Depth ：0.45~0.7mm | Chromium Coating Thickness ：0.025~0.10mm |
Nitridng Brittleness :2 Level | Duplex Alloy Hardness：HRC50-65 |
Surface Roughness：≤Ra0.4 | Duplex Alloy Depth：0.8~2.0mm |
Materials and Technologies | |
Quality 38CrMoAIA (41CrAIMo7) | SKD61(H13) |
Quality Duplex Stainless Steel | Gr12MoV |
42CrMo | Quality Powder metallurgy Materials |
40Cr | Hard metal Cold/Thermal Spraying Technology |
Zinc 3# Steel | Advanced Nitriding Technology |
Anti-corrosion and Wear-resisting Duplex metal Spraying Technology |
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Single Screw Extruder Screw and Barrel
