Ko te Kowiri tira he whakarāpopototanga mō te kowiri tira ātete waikawa. Ka kiia ko te Kowiri tira he reo waikura ngoikore, he Kowiri tira rānei, pērā i te hau, te mamaoa me te wai. Ko te momo rino e waikura ana i te reo waikura matū (waikawa, kawakore, tote, me ētahi atu) ka kiia ko te rino ātete-waikawa.
E ai ki te tūnga o te whakahaere, ka taea te wehewehe ki te maitai martensitic, te maitai ferritic, te maitai austenitic, te maitai kore waikura austenite-ferrite (wāhanga rua) me te maitai kore waikura whakapakeke. Hei tāpiri, ka taea te wehewehe ki te maitai kore waikura chromium, te maitai kore waikura nickel chromium me te maitai kore waikura chromium manganese hauota e ai ki ōna wāhanga.
Ehara i te mea ko te kupu "kowiri tira" anake e pā ana ki te kowiri tira parakore engari mō ngā momo ahumahi neke atu i te kotahi rau. Ā, he pai te mahi a ia kowiri tira i roto i ōna whakamahinga motuhake. Nō reira, ko te taahiraa tuatahi ko te kimi i te whakamahinga, kātahi ka whakatau i te momo kowiri tira tika e ai ki ngā āhuatanga o ia momo kowiri tira.
Nā te mea he tino ātete ki te waikura, he hototahi, he kaha hoki te ngāwari ki te whakamahi i roto i te whānuitanga o te pāmahana, he rauemi mata pai rawa atu hoki te kowiri tira mō ngā kaiwhakarato hiri.
