Annealing  | 
                       Quenching  | 
                       Tempering  | 
                       Normalizing  | 
                       Q & T  | 
                     
√  | 
                       √  | 
                       √  | 
                       √  | 
                       √  | 
                     
| 
						C ≤  | 
					
						Si ≤  | 
					
						Mn ≤  | 
					
						P ≤  | 
					
						S ≤  | 
					Cr | Ni | 
|---|---|---|---|---|---|---|
| 0.16-0.21 | 0.15-0.35 | 0.6-0.9 | 0.03 | 0.03 | 0.9-1.2 | ≤0.25 | 
| Mo | Al | Cu | Nb | Ti | V | Ce | 
| 0.15-0.25 | ≤0.3 | |||||
| N | Co | Pb | B | Other | ||
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Related steel grade search:SCM418