China Tungsten Alloy Coating Screw Barrels for Extrusion Molding Machine, Find details about China Single Screw Barrel, Hardfacing Screw Barrel for Extruder Machines from Tungsten Alloy Coating Screw Barrels for Extrusion Molding Machine
Bimetallic Barrels | |||||
Alloy Type | EJS01 Alloy | EJS02 Alloy | EJS03 Alloy | EJS04 Alloy | |
Alloy Components | Fe+Ni+Cr+B (Fe:65, Ni:14, Cr8, B:3.5) | Ni+Cr+Co+B | Ni+Cr+Co+V+B | Ni+Wc+Cr+B (Ni:50, Wc:15~35,Cr:6~8, B:2.5~3.2) | |
Wearing Resistance | ★★★ | ★★ | ★★★ | ★★★★ | |
Corrosion Resistance | ★★ | ★★★ | ★★★ | ★★★ | |
Alloy Thickness | 2-3mm | 1.5~2mm | 1.5~2mm | 1.5~2mm | |
Hardness | HRC 58~65 | HRC 50~58 | HRC 55~60 | HRC 55~65 | |
Temperature Range | ≤400 | ≤450 | ≤450 | ≤600 | |
Coefficient Thermal | RT~250ºC | 11.0x10-6 | 11.0x10-6 | 11.5x10-6 | 11.0x10-6 |
Expansion(/ºC) | RT~400ºC | 11.4x10-6 | 11.4x10-6 | 12.4x10-6 | 12x10-6 |
Range of Workable Length | 700mm~3000mm/piece | ||||
Base Steel Vastly Used | 40Cr, 42CrMo | ||||
Mark in the list: ★★★★ Excellent; ★★★ Very Good; ★★Good |
Bimetallic Screws | |||
Suitable for | Single Screw, Twin Parallel Screw, Twin Conical Screw | ||
Alloy Type | Ni60 | Colmonoy 56 | Colmonoy 83 |
Alloy Components | Ni+Cr+Fe+Si (Ni:65, Cr:17, Fe:15, Si:5) | Ni+Cr+Si+Fe (Ni: 68, Cr:18, Si:5, Fe:5) | Ni+Wc+Cr+C (Ni:40, Wc:34, Cr:20, C:2) |
Anti-Wearing Level | ★★★ | ★★★ | ★★★★ |
Anti-Corrosion Level | ★★★★ | ★★★★ | ★★★★ |
Alloy Thickness | 1~1.5mm | 1~1.5mm | 1~1.5mm |
Hardness | HRC 56~62 | HRC 46~61 | HRC 43~48 |
Applied Glass Fiber | Under 10% | ||
Range of Workable Length | Any length needed | ||
Base Steel Vastly Used | 38CrMoAl(1.8509), 34CrAlNi7(1.8550), 31CrMoV9(1.8519) | ||
Mark in the list: ★★★★ Excellent; ★★★ Very Good; ★★Good |