Conical twin screw and barrel

Short Description:

Conical twin screw and barrel 1)38CrMoAlA(JIS SACM645)2)9Cr18MoV 1) 38CrMoAlA(JIS SACM645)2) 9Cr18Mo Heat-treatmentNitriding treatmentSpray bimetallic coating Quideline of techniqueDepth of nitration layer: 0.05~0.08mmHardness of nitration: 900~1000hvFragility of nitration: less than grand oneRoughness of the surface: Ra0.4Linearity of the screw: 0.015mm/mThe surface hardness of chrom plating after nitrogention:more than 950hvChrome-plating layer thickness:0.025~0.085mm


Product Detail

Product Tags

Conical twin screw and barrel

1)38CrMoAlA(JIS SACM645)
2)9Cr18MoV

1) 38CrMoAlA(JIS SACM645)
2) 9Cr18Mo

Heat-treatment
Nitriding treatment
Spray bimetallic coating

Quideline of technique
Depth of nitration layer: 0.05~0.08mm
Hardness of nitration: 900~1000hv
Fragility of nitration: less than grand one
Roughness of the surface: Ra0.4
Linearity of the screw: 0.015mm/m
The surface hardness of chrom plating after nitrogention:more than 950hv
Chrome-plating layer thickness:0.025~0.085mm


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