Grado de níquel | 											Ni+Co | 											Cu | 											Si | 											Mn | 											C | 											Cr | 											S | 											Fe | 											Mg | 				
						≥ | 											≤ | 				||||||||
						Ni201 | 											99.0 | 											.25 | 											3. | 											35. | 											.02 | 											2. | 											.01 | 											3. | 											- | 				
						Ni200 | 											99.0 | 											.25 | 											3. | 											35. | 											15. | 											2. | 											.01 | 											3. | 											- |