A number of secondary and finishing operations can be applied after sintering, some of them are:

·         Sizing : cold pressing the sintered part to improve dimensional accuracy.

·         Coining : cold pressing to press details into its surface.

·         Impregnation : oil fills the pores of the part

·         Infiltration : pores are filled with a molten metal

·         Heat treating : annealing can be done for stress relief in powder metallurgy part.

·         Machining : creates geometric features that cannot be achieved by pressing, such as threads, side holes, and other details