- Country
 
               - Steel Grade
 
               - Standard
 
               - Use
 
                
               
               
                         
             - China
        
             - SKC31①
 
             - CNS
 
             - Carbide for cutting tools
 
                
  
     
     
               
             - China
        
             - SKC11③
 
             - CNS
 
             - Carbide for cutting tools
 
                
  
     
     
               
             - China
        
             - SKC3②
 
             - CNS
 
             - Carbide for cutting tools
 
                
  
     
     
               
             - USA
        
             - ASTM 1021
 
             - ASTM
 
             - General use carbon steel bar
 
                
  
     
     
                 
     
     
                 
     
     
               
             - USA
        
             - ASTM 1020
 
             - ASTM
 
             - General use carbon steel bar
 
                
  
     
     
               
             - USA
        
             - ASTM 1019
 
             - ASTM
 
             - General use carbon steel bar
 
                
  
     
     
                 
     
     
                 
     
     
               
             - USA
        
             - ASTM 1018
 
             - ASTM
 
             - General use carbon steel bar
 
                
  
     
     
               
             - USA
        
             - ASTM 1017
 
             - ASTM
 
             - General use carbon steel bar
 
                
  
     
     
                 
     
     
               
             - USA
        
             - ASTM 1016
 
             - ASTM
 
             - General use carbon steel bar
 
                
  
     
     
                 
     
     
                 
     
     
               
             - USA
        
             - ASTM 1015
 
             - ASTM
 
             - General use carbon steel bar
 
                
  
     
     
                 
     
     
               
             - USA
        
             - ASTM 1013
 
             - ASTM
 
             - General use carbon steel bar
 
                
  
     
     
                 
     
     
               
             - USA
        
             - ASTM 1012
 
             - ASTM
 
             - General use carbon steel bar
 
                
  
     
     
                 
     
     
               
             - USA
        
             - ASTM 1011
 
             - ASTM
 
             - General use carbon steel bar
 
                
  
     
     
                 
     
     
               
             - USA
        
             - ASTM 1010
 
             - ASTM
 
             - General use carbon steel bar