Screws And Barrels Corrosion Resistant - China

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:

• Posted By: Ningbo Xuhao Industry Co., Ltd

• Phone: 8615957480610

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

• Email:

• 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.
  
  )