- Introduction
 - Classification and code
 - Similar grades
 - For specification
 
| 
				 Grade  | 
			
				 Ni9999  | 
			
				 Ni9996  | 
			
				 Ni9990  | 
			
				 Ni9950  | 
			
				 Ni9920  | 
		|
| 
				 Ni+Co(%min)  | 
			
				 99.99  | 
			
				 99.96  | 
			
				 99.9  | 
			
				 99.5  | 
			
				 99.2  | 
		|
| 
				 Co(%max)  | 
			
				 0.005  | 
			
				 0.02  | 
			
				 0.08  | 
			
				 0.15  | 
			
				 0.50  | 
		|
| 
				 lmpurities (%max)  | 
			
				 C  | 
			
				 0.005  | 
			
				 0.01  | 
			
				 0.01  | 
			
				 0.02  | 
			
				 0.10  | 
		
| 
				 Si  | 
			
				 0.001  | 
			
				 0.002  | 
			
				 0.002  | 
			
				 ……  | 
			
				 ……  | 
		|
| 
				 P  | 
			
				 0.001  | 
			
				 0.001  | 
			
				 0.001  | 
			
				 ^0.003  | 
			
				 0.02  | 
		|
| 
				 S  | 
			
				 0.001  | 
			
				 0.001  | 
			
				 0.001  | 
			
				 0.003  | 
			
				 0.02  | 
		|
| 
				 Fe  | 
			
				 0.002  | 
			
				 0.01  | 
			
				 0.02  | 
			
				 0.020  | 
			
				 0.50  | 
		|
| 
				 Cu  | 
			
				 0.015  | 
			
				 0.01  | 
			
				 0.02  | 
			
				 0.04  | 
			
				 0.15  | 
		|
| 
				 Zn  | 
			
				 0.001  | 
			
				 0.0015  | 
			
				 0.002  | 
			
				 0.0005  | 
			
				 ……  | 
		|
| 
				 As  | 
			
				 0.0008  | 
			
				 0.0008  | 
			
				 0.001  | 
			
				 0.002  | 
			
				 ……  | 
		|
| 
				 Cd  | 
			
				 0.0003  | 
			
				 0.0003  | 
			
				 0.0008  | 
			
				 0.002  | 
			
				 ……  | 
		|
| 
				 Sn  | 
			
				 0.0003  | 
			
				 0.0003  | 
			
				 0.0008  | 
			
				 0.0025  | 
			
				 ……  | 
		|
| 
				 Sb  | 
			
				 0.0003  | 
			
				 0.0003  | 
			
				 0.0008  | 
			
				 0.0025  | 
			
				 ……  | 
		|
| 
				 Pb  | 
			
				 0.0003  | 
			
				 0.001  | 
			
				 0.001  | 
			
				 0.002  | 
			
				 0.005  | 
		|
| 
				 Bi  | 
			
				 0.0003  | 
			
				 0.0003  | 
			
				 0.0008  | 
			
				 0.0025  | 
			
				 ……  | 
		|
| 
				 Al  | 
			
				 0.001  | 
			
				 ……  | 
			
				 ……  | 
			
				 ……  | 
			
				 ……  | 
		|
| 
				 Mn  | 
			
				 0.001  | 
			
				 ……  | 
			
				 ……  | 
			
				 ……  | 
			
				 ……  | 
		|
| 
				 Mg  | 
			
				 0.001  | 
			
				 0.001  | 
			
				 0.002  | 
			
				 ……  | 
			
				 ……  | 
		|

