国产 亚洲 欧美 另类中文,中文字幕日韩高清DVD,国产免费一区二区三区蜜桃,麻豆精品在线播放

<var id="49rs0"><source id="49rs0"><meter id="49rs0"></meter></source></var>
    • 

    • <table id="49rs0"><acronym id="49rs0"></acronym></table>
  • <rp id="49rs0"></rp>
    

    <source id="49rs0"></source><table id="49rs0"></table>
  • <u id="49rs0"></u>
    


    



     
    

    

    

    Main Products
    

    
  
  
    
  
    
  
      

      • 

      • 

    

    


    

    

    


    
           
    
       
    
        
    
       	    
    
          
          
    
            Products Grade: 30Si,35Si,30MnSi,30MnSiB
          
    
          
    
            Specifications: φ5.5～16mm
          
    
          
    
            Applied Standard:  Q/XG 02
          
    
          
    
            Characteristics: This kind of products is mostly used to produce PC bars for tubular piles with delayed-fracture resistance, good straightness, high strength and toughness, low relaxation, good heading quality and weldability to satisfy the customers’ needs.

          
    
          
    
            Applications: PC steelbar steel
           
    
      
        
    
      
    

    Use of Products: This kind of products has characteristics of uniform-chemical composition, low percentage of harmful elements, high purity, slight decarburisation, good surface quality, consistent mechanical property, fine grain size etc.