Ko ngā tikanga whakaputa ferrochrome waro-teitei ko te tikanga oumu hiko, te tikanga oumu rakau (oumu pupuhi), te tikanga plasma me te tikanga whakaiti rewa. Inaianei, ko te tikanga oumu rakau anake ka puta he koranu chromium iti (Cr < 30%), kei te wāhanga rangahau tonu te ihirangi chromium teitei (pērā i te Cr> 60%) o te tukanga whakaputa oumu rakau; kei te tūhuratia ngā tikanga whakamutunga e rua i roto i te tukanga hou; nō reira, ko te nuinga o te ferrochrome waro-teitei arumoni me te ferrochrome kua hangaia anō ka whakamahia i roto i te hanga oumu hiko (oumu kohuke).
(1) Ka whakamahia e te oumu hiko te hiko, te pūtake pūngao ma. Ko ētahi atu pūtake pūngao pēnei i te waro, te kōka, te hinu mata, te hau māori, me ētahi atu, ka kawea mai ngā mea poke ki roto i te tukanga whakarewa. Ko ngā oumu hiko anake ka taea te whakaputa i ngā koranu ma.
(2) Ko te hiko anake te pūtake pūngao ka taea te whakatutuki i ngā āhuatanga pāmahana teitei noa iho.
(3) Ka taea e te oumu hiko te whakatutuki i ngā āhuatanga thermodynamic pēnei i te pēhanga wāhanga hāora me te pēhanga wāhanga hauota e hiahiatia ana e ngā tauhohenga whakarewa pēnei i te whakaiti, te whakamahine me te nitriding.
