Annealing  | 
                       Quenching  | 
                       Tempering  | 
                       Normalizing  | 
                       Q & T  | 
                     
√  | 
                       √  | 
                       √  | 
                       √  | 
                       √  | 
                     
| C | 
				Si  ≤  | 
			
				Mn  ≤  | 
			
				 P ≤  | 
			
				 S ≤  | 
			Cr | Ni | Mo | Other | 
|---|---|---|---|---|---|---|---|---|
| 0.87-0.95 | 0.45 | 0.40 | 0.030 | 0.030 | 3.80-4.50 | 4.70-5.20 | 
				 W 5.90-6.70   V 1.70-2.10 Co 4.50-5.00  | 
		
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