400 Series-Ferritic me Martensitic Kowiri tira
Momo 408-He pai te wera o te wera, te ngoikore o te waikura, 11% Cr, 8% Ni.
Momo 409-te momo na'ina'i (British-American), te tikanga whakamahia hei putorino ngongo motokā, he kowiri tira ferritic (chrome maitai).
Patohia te 410-Martensite (te kaha teitei o te chromium maitai), he pai te whakakakahu me te aukati kino.
Momo 416-Apitihia te whanariki ka whakapai ake i nga kaha tukatuka raraunga.
Momo 420- "mata mata" maitai martensitic, rite ki te kowiri tira tuatahi o Brinell chromium maitai teitei. Ka whakamahia ano i roto i nga maripi haumanu, ka tino kanapa.
Patohia te 430-ferritic kowiri tira, mo te whakapaipai, penei mo nga taputapu motuka. Tino moldability, engari rawakore ātete pāmahana me te waikura ātete.
Patohia te 440-te kaha o te taputapu tapahi maitai, kei roto i te waro paku teitei ake, ka kaha ake te kaha o te tuku i muri i te maimoatanga wera tika, a ka tae te pakeke ki te 58HRC, e kiia ana ko te kowiri tira tino pakari. Ko te nuinga o te whakamahi, hei tauira, he "heu heu". E toru nga momo noa: 440A, 440B, 440C, me 440F (he ngawari ki te tukatuka).
Wā tuku: Hanuere-19-2020