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I roto i ngā ahumahi e pāngia ana ngā wāhanga whakarewa e te waku, te pānga, me te karawarawa i ia rā, ka noho te ātete ki te kakahu hei āhuatanga tino nui. Ahakoa he taputapu e hurihuri ana i raro i te kawenga taumaha, he pou rānei e mau tonu ana te nekehanga, me hanga ngā wāhanga mai i ngā rauemi pakari kia roa ai te mau. Ko tētahi o ngā mea tino pono...Pānuihia atu»
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I roto i te hangarau me te hanga, he mea nui te kaha. Ahakoa he porowhita i roto i te miihini motuka, he pine taumaha rānei i roto i ngā taputapu hanga, ko te kaha kume te mea e whakatau ana i te nui o te kawenga ka taea e te rauemi te tu atu i mua i te pakaru. I roto i ngā maitai koranu maha e wātea ana, ko te koranu 4140...Pānuihia atu»
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I te ao o te hangarau tika, ko te whiriwhiri rauemi te mea nui. Ahakoa he wāhanga rererangi, he taputapu motuka, he wāhanga taputapu taumaha-teitei rānei, ko te pono o ngā rauemi te mea e whakatau ana i te mahi a te hua. I roto i ngā momo maitai koranu, kua puta te maitai 4140 hei tētahi o ngā mea tino pono...Pānuihia atu»
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He maitai koranu rongonui te maitai 4140 e mōhiotia ana mō tōna kaha, tōna pakari, me tōna maha o ngā mahi. Nō te whānau maitai chromium-molybdenum, e tuku ana i tētahi huinga ahurei o ngā āhuatanga miihini e pai ai mō ngā tono ahumahi. Ko ngā miihini, ngā kaihanga, me ngā kaihanga...Pānuihia atu»
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Ina he mea nui te kaha, te pakari, me te whānui o te whakamahinga, ko te maitai 4140 te koranu whiriwhiri i ngā ahumahi katoa. Hei maitai koranu chromium-molybdenum, ka tukuna e te 4140 he taurite kaha o te kaha kume teitei, te ātete ngenge, me te ngāwari ki te miihini. Kāore i te miharo ka takaro tēnei koranu...Pānuihia atu»
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Ko ngā konganuku te poutokomanawa o te auahatanga tangata, mai i ngā hoari tawhito ki ngā whare teitei o ēnei rā. Engari ina tae ki te kaha, kāore i te rite te hanganga o ngā konganuku katoa. Ka ara ake he pātai whakamīharo mā ngā miihini, ngā kaihoahoa, me ngā kaipūtaiao rauemi: he aha te mea e tino kaha ai te konganuku? He kaha kume...Pānuihia atu»
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He maha ngā momo o ngā maitai kore waikura, ia momo i hangaia hei tuku i ngā āhuatanga mahi motuhake. I roto i ēnei, ko te maitai kore waikura 440C e tū ana hei maitai kore waikura martensitic waro-teitei, konupora-teitei e mōhiotia ana mō tōna pakeketanga pai, tōna ātete ki te kakahu, me te ātete ki te waikura. He whānuitia te whakamahinga i roto i te h...Pānuihia atu»
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E whakanuia ana te maitai kore waikura mō tōna ātete ki te waikura, tōna roa, me tōna ātaahua. Heoi, kāore e rite te taumata o te parenga ki te waikura i ngā momo maitai kore waikura katoa. Ko tētahi o ngā pātai e pātaihia pinepinetia ana i waenga i ngā miihini, ngā kaihoahoa, me ngā kaihanga ko: Kei te poke te raupapa 400...Pānuihia atu»
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Ko te maitai kore waikura 316L tētahi o ngā rauemi e whakamahia whānuitia ana, e maha ana hoki ngā whakamahinga i roto i ngā ahumahi e hiahia ana ki te ātete ki te waikura, te roa, me ngā āhuatanga akuaku. Hei momo iti-waro o te maitai kore waikura 316, he tino pai te 316L i roto i ngā tono mai i te tukatuka matū me te moana ...Pānuihia atu»
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Ko te maitai taputapu H13 tētahi o ngā maitai taputapu rongonui e whakamahia ana i roto i ngā momo mahi e hiahia ana kia kaha, kia pakari, kia ātete hoki ki te ngenge wera. E whakamahia ana i roto i ngā mahi pēnei i ngā pokepokea ai-mati, ngā pokepokea ai-hanga, me ētahi atu taiao taumahatanga teitei, pāmahana teitei. Nā tōna ...Pānuihia atu»
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Kua puta ake ngā maitai kore waikura austenitic tino matatau me te pono i roto i te ao whakarewa. E mōhiotia ana mō tō rātou ātete ki te waikura, te kaha teitei, me te kaha ki te tu atu i ngā pāmahana tino kino, kua noho ēnei koranu hei mea nui i roto i ngā ahumahi pēnei i te...Pānuihia atu»
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He mea nui ngā konganuku i roto i ngā momo ahumahi, mai i te hanga me te rererangi ki te motuka me te hanga. Ahakoa tōna pakari me tōna kaha, ka taea e ngā konganuku te "pakaru" ohorere, te hinga rānei, ka hua ake he kino nui, he aituā, me ngā āwangawanga haumaru. Te mārama ki te take e pakaru ai ngā konganuku...Pānuihia atu»
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He rauemi tino motuhake te maitai kore waikura kua whakakikoruatia, kua piki haere te aro o te tini o ngā ahumahi nā tōna mahi tino pai me ōna āhuatanga ahurei. Ka whakakotahihia e tēnei rauemi ngā painga o te maitai kore waikura me ngā painga o tētahi atu konganuku, ka hua ake he painga...Pānuihia atu»
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Ko te maitai kore waikura 17-4, e mōhiotia whānuitia ana e ōna whakatakotoranga AMS 5643, AISI 630, me UNS S17400, tētahi o ngā maitai whakapakeke-whakatō e whakamahia whānuitia ana. E mōhiotia ana mō tōna kaha tino pai, tōna ātete teitei ki te waikura, me te ngāwari o te miihini, he rauemi maha-whakamahinga e tika ana mō ngā momo...Pānuihia atu»
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Ina tae ki te whiriwhiri i te pae maitai koranu tika mō ngā mahi miihini, rererangi, ahumahi rānei, e toru ngā ingoa e puta ake ana i mua - 4140, 4130, me te 4340. E mōhiotia ana ēnei maitai chromium-molybdenum koranu iti mō tō rātou kaha, tō rātou pakari, me tō rātou ngāwari ki te miihini. Engari me pēhea koe e mōhio ai ...Pānuihia atu»