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                        | Product Name: | 
                        Bimetallic Screw and Barrel 
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                        | Supply Ability:  | 
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                        | Related proudcts | 
                        screw and barrel,  screw & barrel,  bimetallic,    | 
                       
                       
                        | Specifications | 
                        Screw diameter: 15mm-300mm  | 
                       
                       
                        | Price Term:  | 
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                        | Port of loading: | 
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                        | Minimum Order | 
                        1 set | 
                       
                       
                        | Unit Price: | 
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                  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 manufacture, we will be the best choice. | 
                 
                 
               
               
                
                
                
                   
                   
                     
                      
                         
                         
                          | Company: | 
                          Zhejiang Zhongyang Screw Manufacturing Co., Ltd
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                          | Contact: | 
                          Ms. Jade Yao | 
                         
                         
                          | Address: | 
                          Ligang 2nd Industrial Park, Jintang Town, Zhongshan City, Zhejiang  | 
                         
                         
                          | Postcode: | 
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                          | Tel: | 
                          86-580-8055067 | 
                         
                         
                          | Fax: | 
                          86-580-8055069 | 
                         
                         
                          | E-mail: | 
                           
						  
						       
                    
				  
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