久久一日本道色综合久久不,99久久无码一区人妻A黑,国产精品爆乳在线播放,国产精品一区无码专区

  • <b id="9ocva"></b>
    

    • 

    <blockquote id="9ocva"></blockquote>
    


    



     
    

    

    

    Main Products
    

    
  
  
    
  
    
  
      

      • 

      • 

    

    


    

    

    


    
           
    
       
    
        
    
       	    
    
          
          
    
            Products Grade: 36MnB4、20MnB4
          
    
          
    
            Specifications: φ5.5～40mm
          
    
          
    
            Applied Standard:  agreement
          
    
          
    
            Characteristics: This product is mainly used to produce high strength self piercing rivet

          
    
          
    
            Applications: Common partschassis partsHigh strength fastener
           
    
      
        
    
      
    

    Use of Products: The 36MnB4 product produced by Xingtai steel  has the advantages of stable composition, high purity of steel, small decarburization layer, less surface defects and good hardenability.It’s used to make high strength Self Piercing Rivets(SPR rivets) for aluminum vehicle body by a customer of XINGTAI STEEL Which reflects that the product has stable performance, good cold heading performance, good strength and toughness after tempering, and can meet the use requirements of the final product.