professional bimetallic twin screw manufacturer( CMT80/156 bimetallic twin screw) 

Specifications of standard twin conical screw and barrel: 45/90, 51/105, 55/110, 65/132, 80/156, 80/172, 92/188. Advantages of machine reciprocating conical screw barrel with conical type: 1.Advanced Nitriding Technology 2.Anti-corrosion and Wear-resisting Duplex Metal Spraying Technoloy 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 Technol…