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  • Screws And Barrels Corrosion Resistant - China

    price: contact company for price

    Screw barrel stainless steel corrosion resistance

    Keywords: screw barrel, stainless steel, acid

    environment, corrosion resistance

    Specification of screw and barrel:

    For screw: Dia. 15-300 mm Length 300-9000 mm L/D

    ratio: 15-50

    Fro barrel: Dia. 30-500 mm Length 300-8000 mm

    Material Available of screw and barrel:

    Nitriding Steel: 42CrMo, 38CrMoALA, etc

    Cool work steel: D2, SKD61, 9Cr18MoV etc.

    Heat resistant steel: SKH51, GH113 etc.

    Technical Index of screw and barrel

    Steel Material

    38CrMoALA, SKD61., D2 etc.

    Hardness after Hardening&Termpering

    HB240-280

    Nitriding Treatment

    ≥ 96 hours

    Surface Hardness

    58-62 HRC

    Nitrided layer depth

    0.5-0.8mm

    Surface Roughness

    Ra0.4

    Screw Straightness

    0.015mm

    Chromium-Plated Surface Hardness after nitriding

    ≥900HB

    Chromium-Plating Layer Thickness

    0.05-0.10 mm

    Bimetallic Layer Hardness

    62-65 HRC

    Depth of Alloy Layer

    0.8-2.0 mm

    Grade Material Process

    Standard grade 38CrMoAlA Nitriding 96 hours

    Bimetallic grade 38CrMoAlA HP/HVOF

    TC-A grade Tungsten carbide 40% Centrifugal casting

    TC-B grade Tungsten carbide 25% Centrifugal casting

    TC-C grade Tungsten carbide 10% Centrifugal casting


    Company Contact:


    • Phone: 8615957480610

    • Address: Room 901.Building No.2, Lane 165, Yunxia Road, Nin, Ningbo, China

    • Email: Email


    Published date: March 5, 2014 -

    • Business Description: Ningbo Xuhao Industry is a work team of design, manufacture, and sales

      screw barrel for injection moulding machine, blow moulding machine,

      extruder machine, rubber machine, and other plastic machine. We own the

      advanced analysis equipment to ensure the quality of the material, heat

      treatment, alloy coating spraying, etc. All our screw barrel are

      customed made as drawing or machinery brand Number (Arburg, Autojector,

      Bettenfeld, Bipel, Boy, Bucher, Chen Hsong, Chaun LihFa, Cincinnati,

      Demag, desma, Dima, Dong Shin, Egan, Engel, Husky, JSW, Nissei, Toyo,

      Toshiba, Vistar, etc.)

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