1, i roto i te waahanga angamaheni o te hoahoa whakawhiti waiariki austenitic, ara, mo te 500-600 ℃, kei roto te wai i te atamira kiriata koromamao, a kaore i te tere te tere o te whakamahana, he maha tonu te arahi ki te "waahi ngohengohe" i hangaia e hauhautanga pāhiwihiwi, me te iti rawa te meangiti tere o te hangai.I te martensitic...
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