Ụlọ ọrụ mmepụta ihe anyị bụ ọkachamara na nickel super alloy, gụnyere alloy okpomọkụ dị elu, alloy na-eguzogide nchara, alloy nkenke, na alloy pụrụ iche ndị ọzọ na mmepe na mmepụta ngwaahịa ya. Ahịrị mmepụta dum na-ekpuchi agbaze induction vacuum, agbaze induction ugboro ole na ole, remelting electro-slag, nhazi forging, mmepụta paịpụ, ọgwụgwọ okpomọkụ na igwe.
