- Introduction
 - Classification and code
 - Similar grades
 - For specification
 
Steel grades and Application
| 
				 Application  | 
			
				 Feature  | 
			
				 Grades  | 
		
| 
				 
					Automobile structure  | 
			
				 Suitable for the automobile structure parts that require good formability, such as frame or wheels.  | 
			
				 
					SAPH310 SAPH370  | 
		
| 
				 
					High strength  | 
			
				 Suitable for the automobile structure parts that require some formability and high strength, such as strong frame or wheels.  | 
			
				 SPFH540. SPFH590  | 
		
| 
				 
					High strength  | 
			
				 Suitable for the structure parts that require high strength and good cold formability, such as truck beams.  | 
			
				 
					QStE340TM QStE380TM  | 
		
| 
				 Wheel steel  | 
			
				 With good cold forming properties, suitable for wheel rims and disks.  | 
			
				 B330CL B380CL B420CL  | 
		
| 
				 Boam steel  | 
			
				 Suitable for vehicle beams and cross members.  | 
			
				 
					B320LB420LB510L  | 
		
| 
				 Drive shaft steel  | 
			
				 Suitable for the automobile drive shafts.  | 
			
				 B440QZR、B480QZR  | 
		
| 
				 Axle housings steel  | 
			
				 Suitable for the automobile axle housings.  | 
			
				 B440QK  | 
		

