| Applications | Standard | 
 
         
          | GB | JIS | DIN | ASTM | OTHERS | 
 
         
          | Hot Rolled Mild Steel | Q195 | SPHC,D,E |   | SAE1006-1008 |   | 
 
         
          | Rolled Steel for General Structures | Q235 | SS300SS400
 SS490
 SS540
 | ST37-2ST52-3 | A36DIN USt34-2
 |   | 
 
         
          | Rolled Steel for Welded Structures | Q345 | SM400SM490
 SM520
 | S355JR | A570-40A573-70
 A633-E
 |   | 
 
         
          | Cold-rolled Steel Sheets | - | - |   | SAE1008~SAE1050LCS200
 IF
 |   | 
 
         
          | Superior Atmospheric Resisting Rolled Steels | - | SPA-H |   |   | - | 
 
         
          | Hot Rolled Carbon SteelStrip for Pipes & Tubes
 | Q195 | SPHT1,2,3,4 |   |   | - | 
 
         
          | Carbon Steels Tubes for General Structural Purposes | Q235 | STK290STK400
 STK490
 |   |   | - | 
 
         
          | Strip for Line Pipe | - | - |   | API 5L BAPI 5L X42~
 X60, X70
 |   | 
 
         
          | Hot Rolled SteelStrip for Automobile Structure Use
 | - | SAPH310SAPH370
 SAPH400
 |   |   | - | 
 
         
          | Hot Rolled High Strength SteelStrip with Improved   Formability for Automobile Structure Use
 | - | SPFH490SPFH540
 SPFH590
 |   |   | - | 
 
         
          | Carbon Steel forMachine Structural Use
 | SM17C~SM50C | SM17C~SM50C |   | SAE1017~SAE1050AISI1017~AISI1050
 |   |