Screw Diameter: 35mm-200mm
Length: Less than 10000mm
Barrel diameter: 35mm-200mm
Material: 38CrMoAlA; SKD61; SKD11; 40Cr; 42CrMo; High quality alloy steel
Technology for TIN coated screw barrel/: Nitriding treatment, alloy coating spraying, Heat-treatment, quenching
Appliance for TIN coated screw barrel/: PA, EVOH, EAA, PC etc
PRODUCTION INFORMATION
Heat Treatment of Screw |
Nitriding 96 Hour |
Hardness of Nitration Layer | HRC 56-58 |
Hardness of Bimetallic Layer | HRC 62-64 |
Nitrated Layer of Screw | 0.5-0.8mm |
Bimetallic Layer Thickness | 2-4 mm |
Surface Roughness | Ra 0.4um |
Fragility of Nitration | Less Than Grade 1 |
Means of Transport | by Sea or by Air |
Delivery Date of goods | 25-30 Days |
Package of screw barrel | Ply Wood Case |
ITEMS GRADE |
HARDNESS AND LIFE TIME | PROCESS DETAILS |
ZERO SOLUTION | (HRC 58-62, 12-18 months) |
42CrMo/38CrMoALA + thermo refining +Hvof spraying+ nitriding 96 hours+fine polishing |
JUPITER SOLUTION | (HRC 58-62, 12-18 months) |
42CrMo/38CrMoALA + thermo refining +Hvof spraying+ nitriding 96 hours+fine polishing |
ULTRON SOLUTION | (HRC 62-64, 24 months) |
SKD61+queching+ harden inside process +nitriding 96 hours+fine polishing |
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