Material: 38CrMoAlA, SKD11, SKD61, HPT2B, high quality alloy steel, etc.
Technology: Nitriding treatment, alloy coating sparying, heat-treatment, etc.
Appliance: PA, EVOH, EAA, PC,PE, PVC, PP, etc
We can supply all types of screw and barrel according to clients' requirements.
Technology: Nitriding treatment, alloy coating sparying, heat-treatment, etc.
Appliance: PA, EVOH, EAA, PC,PE, PVC, PP, etc
We can supply all types of screw and barrel according to clients' requirements.
Nitriding depth: 0.50-0.80mm
Nitriding hardness: 900-1000HV
Nitriding brittleness: Less than grade 1
Surface roughness: Ra0.4
Linearity of the screw: 0.015mm
Hardness of the chromium plating after nitriding: More than 950HV
Chrome plating thickness: 0.025-0.085mm