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: 1215
          
    
          
    
            Specifications: φ5.5～26mm
          
    
          
    
            Applied Standard:  agreement
          
    
          
    
            Characteristics: The products are mainly used to produce the shafts for printer,fax machine and so on.

          
    
          
    
            Applications: Free-cutting carbon steel
           
    
      
        
    
      
    

    Use of Products: The grade 1215 is belong to free cutting steel of low carbon and high sulfur.The products have good forms in inclusions by rational controling the chemical contents and oxygen content.The products have good cutting and machining capability.