E whā ngā rōpū o te maitai: Ngā maitai waro, Ngā maitai koranu, Ngā maitai kore waikura Ngā maitai taputapu
Momo 1-Ngā maitai waro
Haunga te waro me te rino, he iti noa iho ngā wāhanga o ngā maitai waro. Ko ngā maitai waro te mea tino kitea o ngā momo maitai e whā, e 90% o te katoa o te maitai i hangaia! E toru ngā rōpū iti o te maitai waro i runga i te nui o te waro i roto i te konganuku:
Ngā maitai waro iti/ngā maitai ngawari (tae atu ki te 0.3% waro)
Ngā maitai waro waenga (0.3–0.6% waro)
Ngā maitai waro-teitei (neke atu i te 0.6% waro)
He maha ngā kamupene e hanga ana i ēnei maitai i roto i ngā rahinga nui nā te mea he iti te utu, he pakari hoki hei whakamahi i roto i ngā hanganga nui.
Momo 2-Ngā maitai koranu
Ka hangaia ngā maitai koranu mā te whakakotahi i te maitai me ngā huānga koranu tāpiri pērā i te nikara, te parahi, te chromium me/te konumohe rānei. Mā te whakakotahi i ēnei huānga ka whakapai ake i te kaha, te ngāwari, te ātete ki te waikura me te ngāwari o te miihini o te maitai.
Momo 3-Ngā maitai kore waikura
Ko ngā momo maitai kore waikura he mea whakaranu ki te 10–20% chromium me te nikara, te silicon, te manganese, me te waro. Nā te kaha ake ki te ora i ngā huarere kino, he tino kaha te ātete o ēnei maitai ki te waikura, ā, he haumaru hoki te whakamahi i roto i ngā hanganga o waho. He mea whakamahi noa hoki ngā momo maitai kore waikura i roto i ngā taputapu hiko.
Hei tauira, e tino hiahiatia ana te maitai kore waikura 304 nā tōna kaha ki te tu atu ki te taiao, me te pupuri tonu i te haumaru o ngā rauemi hiko.
Ahakoa he wāhi kei roto i ngā whare ngā momo maitai kore waikura rerekē, tae atu ki te maitai kore waikura 304, he nui ake te rapu i te maitai kore waikura mō ōna āhuatanga hauora. He whānuitia te kitea o ēnei maitai i roto i ngā taputapu hauora, ngā paipa, ngā oko pēhanga, ngā taputapu tapahi me ngā mīhini tukatuka kai.
Momo 4-Ngā maitai taputapu
E ai ki te ingoa, he tino pai ngā maitai taputapu mō te tapahi me te keri i ngā taputapu. Mā te noho mai o te tungsten, te molybdenum, te cobalt me te vanadium ka āwhina i te whakapai ake i te ātete ki te wera me te roa o te ora. Nā te mea ka mau tonu tō rātou āhua ahakoa te whakamahinga nui, koinei te rauemi pai mō te nuinga o ngā taputapu ringaringa.
Ngā whakarōpūtanga maitai
Haunga ngā rōpū e whā, ka taea hoki te whakarōpū i te maitai i runga i ngā taurangi rerekē tae atu ki:
Hanganga: awhe waro, koranu, kowiri tira, me ētahi atu.
Tikanga whakaoti: hurihia wera, hurihia matao, whakaoti matao, me ētahi atu.
Tikanga whakaputa: oumu hiko, maka tonu, me ētahi atu.
Hanganga moroiti: ferritic, pearlitic, martensitic, me ētahi atu.
Te kaha tinana: e ai ki ngā paerewa ASTM
Te tukanga tango-waikura: kua mate, kua mate-haurua rānei
Maimoatanga wera: whakamahanatia, whakamahanatia, me ētahi atu
Ngā ingoa kounga: kounga arumoni, kounga oko pēhanga, kounga tātuhi, me ētahi atu.
He aha te kounga maitai pai rawa atu?
Kāore he tohu "pai" whānui mō te maitai, nā te mea ko te tohu maitai tino pai mō tētahi tono e whakawhirinaki ana ki ngā āhuatanga maha, pērā i te whakamahinga e whakaarohia ana, ngā whakaritenga ā-pūkaha me te ā-tinana, me ngā herenga pūtea.
Ko ngā momo maitai e whakamahia ana i ngā wā katoa, ā, e kiia ana ko te raupapa pai rawa atu o ia momo ko:
Ngā maitai waro: A36, A529, A572, 1020, 1045, me te 4130
Ngā maitai koranu: 4140, 4150, 4340, 9310, me te 52100
Ngā maitai kore waikura: 304, 316, 410, me te 420
Ngā maitai taputapu: D2, H13, me M2
Ko JINDALAI te rōpū maitai matua e taea te tuku i ngā momo maitai katoa tae atu ki te koiri, te rau, te paipa, te ngongo, te tokotoko, te pae, ngā flanges, ngā tuke, ngā tī, me ētahi atu. Hoatu he whakawhirinaki ki a Jindalai, ā, ka makona koe ki te hua.
Wā tuku: Akuhata-08-2023
