Extruder Conical Twin Screw Barrel for Extrusion Machine

=== Base Info ===

=== Description ===
1base  materials:     238CrMoAlA  (JIS SACM645)342CrMo(AISI 4140)44Cr5MoSi V1 (JIS SKD-61)54Cr5MoSi V1 (JIS SKD-61)6HPT

Bimetallic alloy materials:1 Fe-based alloy 2Ni-based alloy/Deloro alloy3Co-based alloy4NiCo-based alloy5   Tungsten carbide/Wolfram carbide                                       

Technics:1Heat treatment2High-frequency quenching3Nitriding treatment4Hard-chrome electroplating5Bimetallic alloy welding6Bimetallic alloy centrifugal casting

Technical parameter:Nitrided layer depth: 0.5-0.8mmNitrided hardness:    900-1000HVNitrided brittleness:  Less than grade 1Surface roughness:  Ra0.4Linearity of screw:    0.015mm/mHard-chrome plating hardness after nitriding:            Higher than 950HVChrome-plating layer depth: 0.025-0.085mmBimetallic layer depth: 1-3mm