Ụzọ mmepụta nke obere na ọkara carbon ferromanganese tumadi gụnyere electrosilicon thermal usoro, rocker usoro na oxygen ịfụ.

A na-eme carbide silicon carbide sitere na ájá quartz na mmanụ ala coke silica dị ka ihe ndị bụ isi sitere na mgbaze ọkụ dị elu n'ime ọkụ na-eguzogide. Isi ike ya dị n'etiti corundum na diamond, ike ọrụ ya dị elu karịa corundum, ọ na-agbajikwa ma dị nkọ. A na-esi na petroleum coke na silica na-emepụta ihe ndị bụ isi, na-etinye nnu dị ka mgbakwunye, ma gbazee na okpomọkụ dị elu n'ime ọkụ na-eguzogide. Isi ike ya dị n'etiti corundum na diamond, na ike ọrụ ya dị elu karịa corundum.

Ferromolybdenum bụ alloy nke molybdenum na ígwè ma a na-ejikarị ya dị ka ihe mgbakwunye molybdenum na nchara. Ịgbakwunye molybdenum na ígwè nwere ike ime ka ígwè ahụ nwee nhazi nke ọma na-edozi ahụ, nke nwere ike inye aka wepụ iwe ọkụ ma melite ike nke ígwè ahụ. Na ígwè dị elu, molybdenum nwere ike dochie akụkụ tungsten. Tinyere ihe ndị ọzọ na-emepụta ihe, a na-eji molybdenum eme ihe n'ọtụtụ ebe na-emepụta ihe ndị na-ekpo ọkụ na-ekpo ọkụ, igwe anaghị agba nchara, ígwè na-eguzogide acid na ígwè ngwá ọrụ, yana alloys nwere ihe anụ ahụ pụrụ iche. Ịgbakwunye molybdenum na nkedo ígwè nwere ike ime ka ike ya dịkwuo elu ma na-eyi nguzogide. A na-agbazekarị Ferromolybdenum site na usoro ọkụ igwe.

Ferromolybdenum bụ ihe mgbakwunye ọla amorphous na usoro mmepụta ma nwee ọtụtụ ihe mara mma na-ebufe na zinc alloys. Isi uru nke ferromolybdenum alloy bụ ihe na-eme ka ọ sie ike, nke na-eme ka ígwè ahụ weldable. Njirimara nke ferromolybdenum na-eme ka ọ bụrụ ihe mkpuchi nchebe na ọla ndị ọzọ, na-eme ka ọ dị mma maka ngwaahịa dị iche iche.

Titanium bụ otu n'ime ọla ndị dị ọkụ na nke siri ike achọpụtara ugbu a, ebe igwe anaghị agba nchara bụ ihe eji eme carbon-carbon. Ọzọkwa, titanium alloy dị nnọọ mma karịa igwe anaghị agba nchara na-arụ ọrụ. Ọ dị mfe na ịdị arọ na elu na isi ike. Nguzogide oxidation ya (ya bụ, nchara) yiri nke igwe anaghị agba nchara, mana ọnụahịa ya dịkwa oke ọnụ karịa.

Metal silicon 200 ntupu bụ ọlaọcha isi awọ na dara luster. Ọ nwere ebe mgbaze dị elu, ezigbo ọkụ na-eguzogide, nnukwu ihe mgbochi na nnukwu nkwụsị oxidation.