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Alloy screw

    
Home > Product > Alloy screw > 

    




    






    

        
Alloy screw

        

            
Alloy screw

            
    
	
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			Specifications:
    
		
    
			 
    
		
    
			Screw diameter: 15-300 mm
    
		
    
			 
    
		
    
			Maximum length: 8000mm
    
		
    
			 
    
		
    
			Inner diameter of barrel: 15-300 mm
    
		
    
			 
    
		
    
			Maximum length: 4000 mm
    
		
    
			 
    
		
    
			 
    
		
    
			 
    
		
    
			Different alloy materials can be selected according to different raw materials
    
		
    
			 
    
		
    
			 
    
		
    
			 
    
		
    
			Substrate material:
    
		
    
			 
    
		
    
			1)38CrMoAlA(JIS SACM645)
    
		
    
			 
    
		
    
			Alloy material:
    
		
    
			 
    
		
    
			1) Nickel base alloy + tungsten carbide
    
		
    
			 
    
		
    
			 
    
		
    
			 
    
		
    
			 
    
		
    
			 
    
		
    
			Treatment process:
    
		
    
			 
    
		
    
			heat treatment
    
		
    
			 
    
		
    
			Nitriding treatment
    
		
    
			 
    
		
    
			Spraying bimetallic alloy
    
		
    
			 
    
		
    
			Centrifugal casting of bimetallic alloy
    
		
    
			 
    
		
    
			 
    
		
    
			 
    
		
    
			Technical parameters:
    
		
    
			 
    
		
    
			Nitriding depth: 0.50mm-0.80mm
    
		
    
			 
    
		
    
			Nitriding hardness: 58-62hrc
    
		
    
			 
    
		
    
			Surface roughness: RA 0.4
    
		
    
			 
    
		
    
			Screw straightness: 0.015mm
    
		
    
			 
    
		
    
			Double alloy depth: 3mm
    
	
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