Corrugated sheet metal is produced by stretching a sheet of metal and then rolling it through a rolling die to create a linear, wavy pattern of crests and troughs; they are laid next to each other and are mainly used in outbuildings, barns, industrial warehouses, agricultural applications And waterproof roofs for commercial buildings, where aesthetics are less important, but waterproofing is important. In recent years, corrugated roof panels have been used as cladding in bars and clubs to add an industrial or gritty urban feel.
This form of corrugated profile metal sheet or sheet is also commonly referred to in the building industry as roof cladding; they are usually installed with a half-corrugated overlap to make it waterproof, our corrugated steel roofing sheets are galvanized to increase the protection and corrosion resistance. Zinc Coated Steel Sheet,Corrugated Steel Sheet,Zinc Coated Roof Sheet,Corrugated Sheet Shandong Guanzhou Iron and Steel Group Co., Ltd. , https://www.guanzhouiron.com
Twin screw barrel, conical twin screw barrel, PVC pipe extruder screw barrel, Plastic Extruder Bimetallic Screw and Barrel
Specification:
Screw diameter: 15mm-300mm
Maximal length: 8000mm
Barrel inner diameter: 15-300mm
Maximal length: 4000mm
Different bimetallic alloys are available for different raw materials.
Base Materials:
(1)38CrMoAlA(JIS SACM645)
(2)42CrMo(AISI 4140)
(3)9Cr18MOV
Bimetallic alloy materials:
(1)Fe-based alloy
(2)Ni-based alloy/Deloro alloy
(3)Co-based alloy
(4)NiCo-based alloy
(5)Tungsten carbide/Wolfram carbide
Technics:
Heat treatment
High-frequency quenching
Nitriding treatment
Hard-chrome electroplating
Bimetallic alloy welding
Bimetallic alloy centrifugal casting
Technical parameter:
Nitrided layer depth: 0.5-0.8mm
Nitrided hardness: 900-1000HV
Nitrided brittleness: Less than grade 1
Surface roughness: Ra0.4
Linearity of screw: 0.015mm
Hard-chrome plating hardness after nitriding: ≥ 950HV
Chrome-plating layer depth: 0.025-0.085mm
Bimetallic layer depth: 3mm
Warranty and service: 1 year
Experienced manufacturer, focus on quality and service.
Technical Parameter For Extruder Machine
Base Material
1)38CrMoAlA(JIS SACM645);2)Cr12MOV(JIS SKD-11)Â ;
3)4Cr5MoSiV1(JIS SKD-61)Â ;4)42CrMo(AISI 4140)Â
Bimetallic Alloy Materials
1)Fe-based alloy 2)Ni-based alloy/Deloro alloyÂ
3)Co-based alloy 4)NiCo-based alloyÂ
5)Tungsten carbide/Wolfram carbideÂ
Double-alloy level
Level A - containing Tungsten of 40%
Level B - containing tungsten of 25%
Level C - containing tungsten of 9.5%
Surface Treatment
Heat Treatment
High Frequency Treatment
Nitriding treatment(120 Hours):
Depth of Nitrided Layer: 0.5-0.8 mm
Hardness of Nitrided Layer: 900-1020Hv (HRC56°-65°)
Hard Chrome Plating treatment:
Thickness of Hard Chrome Plating Layer: 0.05-0.10mm
Hardness of Hard Chrome Plating Layer: ≥ 950HV
Nickel alloy plating.treatment:
Bimetallic Barrel/Cylinder: Centrifugal Casting (Inlay Alloy)
Bimetallic Screw: Plasma Alloy Coating Spraying
Depth of Bimetallic Layer: >2mm
Hardness of Bimetallic Layer: HRC55°-72°
Spraying corrosion wear-resisting dual metal layers
Basic information
Roughness of the surface:Ra0.4um
Linearity of the screw: ≤ 0.015mm
Linear axis limit: ≤ 0.02mm
Hardness after Hardening & Tempering: HB240-280
Fragility of Nitration: ≤ Two class
Material Application
1)General Plastics
2)ABS,PA,PC,PE,PET,PP,PS,EVA,PU,PVC,U-PVC,etc
3)PA + GF(Glass Fiber)
4)Flame-resistant Reinforced Plastics
5)Modified Engineering Plastics
6)All kinds of Mixed Recycled Material(in Scrap or Granule), PVC + 30% CaCo3, etc
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The benefits of using corrugated steel sheets in your projects;
- highly robust
- light weight
- Weather and corrosion resistant
- excellent quality of protection
- easy to install
Corrugated steel roof sheets are galvanized to provide a highly corrosion-resistant surface, so no further painting or other surface treatments are required to improve the for extra protection. However, for aesthetic purposes, galvanized products can be painted or powder coated if desired.