Machine
niigata screw and barrel
Screw Barrel HS code
8477900000
application
profile, sheet, pvc pe/pew pc pelleting etc
Screw Barrel Nitriding time
more than 120 hours
Screw Barrel Roughness of the surface
Ra0.4um
Hardness after Hardening & Tempering
HB240-280
Screw Barrel
bimetallic screw barrel
Bimetallic
Fe-based,Ni-based,Tungsten Carbide
Warranty
Common 1-2 years,bimetallic is much longer