Guatemala Screw and Barrel for Extruder
Extruder barrel, screw specifications: Ø20mm ~ Ø500mm
Extruder barrel, screw specifications: L/D = 15~55
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Product Description
Extruder barrel, screw specifications: Ø20mm ~ Ø500mm
Extruder barrel, screw specifications: L/D = 15~55
| Technical parameters | |
| Hardness of tempering: HB280-320 | Screw straightness: 0.015mm |
| Nitriding hardness: HV850-1000 | Hardness of chromium plating on surface after nitriding ≥ 900HV |
| Nitriding layer depth: 0.45~0.7mm | Chrome coating thickness: 0.025~0.10mm |
| Nitriding brittleness: Grade II | Dual alloy hardness: HRC50-65 |
| Surface roughness: ≤ Ra0.4 | Double alloy depth: 0.8~2.0mm |
| Materials and workmanship | |
| Quality 38CrMoAIA (41CrAIMo7) | SKD61(H13) |
| High quality duplex stainless steel | Gr12MoV |
| 42CrMo | High quality powder metallurgy material |
| 40Cr | Cold and hot spraying hard metal process |
| Zinc 3# steel | advanced nitriding process |
| Corrosion-resistant and wear-resistant bimetal spraying process | |
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