1. Ngā Rerekētanga o te Ihirangi o ngā Huānga Matū i waenga i te Kowiri tira AISI 304 me te Kowiri tira 201
● 1.1 Ko ngā pereti maitai kore waikura e whakamahia whānuitia ana i wehea kia rua ngā momo: 201 me te 304. Inaa, he rerekē ngā wāhanga. Kei roto i te maitai kore waikura 201 te 15% chromium me te 5% nickel. Ko te maitai kore waikura 201 he whakakapinga mō te maitai 304. Ā, kei roto i te maitai kore waikura 304 te 18% chromium me te 9% nickel i roto i te paerewa. Ki te whakataurite, he teitei ake te nui o te nickel me te chromium i roto i te 304 i tērā o te 201, nō reira he pai ake te ātete waikura o te 304 i tērā o te 201. Heoi, nā te mea he nui ake te nickel me te chromium i roto i te 304 i tērā o te 201, he nui ake te utu o te 304 i tērā o te 201.
● He nui ake te konupora i roto i te maitai kore waikura 1.2 201, engari he iti iho i roto i te 304; Mai i te tae o te mata o te rauemi, he nui ake te huānga konupora i roto i te maitai kore waikura 201, nō reira he pouri ake te tae o te mata i te 304, me kanapa ake, me mā ake te 304, engari he uaua ki te wehewehe mā te kanohi tahanga.
● 1.3 Nā te rerekētanga o te ihirangi o te huānga nikara, kāore te ātete waikura o te 201 i te rite ki te pai o te 304; Heoi anō, he nui ake te ihirangi waro o te 201 i te 304, nō reira he pakeke ake, he pakarukaru ake te 201 i te 304. He pakari ake te 304: Ki te whakamahi koe i te maripi tapahi mārō ki te mata o te 201, ka kitea te karawarawa, engari kāore e kitea te karawarawa o te 304.
2. Te Hanganga me ngā Āhuatanga Whakamahinga o te Kowiri tira
● He kowiri tira 201, he ātete ki te waikawa, ki te kawakore, he matotoru, he oro kāore he mirumiru, kāore he poka iti me ētahi atu āhuatanga, e hangaia ana mō ngā momo pouaka mataaratanga, he rauemi kounga teitei mō te taupoki turanga whitiki mataaratanga. E whakamahia ana mō ngā paipa whakapaipai, ngā paipa ahumahi, me ētahi hua totoro pāpaku.
● Te whānuitanga o ngā tono mō te kowiri tira 304: Ko te kowiri tira 304 te kowiri tira nikara konupora e whakamahia whānuitia ana, he momo kowiri tira e whakamahia whānuitia ana, he ātete pai ki te waikura, ki te wera, ki te iti te kaha o te pāmahana me ngā āhuatanga miihini. He ātete ki te waikura i roto i te hau, mena he hau ahumahi, he wāhi poke rawa rānei, me horoi wawe tonu kia kore ai e waikura. Ko te kowiri tira 304 he kowiri tira kai rongonui ā-motu.
● I te wā e whakatau ana i te momo maitai kore waikura hei whakamahi, ka whakaarohia ngā paerewa ataahua e hiahiatia ana, te kaha o te waikura o te hau o te rohe me te pūnaha horoi hei whakamahi.
● He tino whai hua te maitai kore waikura 304 i roto i te taiao maroke o roto. Heoi, i ngā wāhi taiwhenua me ngā tāone nui, me horoi pinepine kia mau tonu tōna āhua o waho. I ngā wāhi ahumahi me ngā takutai moana kua tino poke, ka tino paru, ka waikura hoki ngā mata. Engari kia whiwhi ai i te āhua ataahua i roto i te taiao o waho, me whakamahi te maitai kore waikura kei roto te nikara.
● Nō reira, e whakamahia whānuitia ana te maitai kore waikura 304 mō te pakitara ārai, te pakitara taha, te tuanui me ētahi atu mahi hanga, engari i roto i te āhuarangi ahumahi, moana rānei, he pai ake te whakamahi i te maitai kore waikura 304. Hei tāpiri, he pai te mahi tukatuka me te pakari o te maitai kore waikura 304. Nā tēnei, e whakamahia whānuitia ana te 304 i roto i te ahumahi, te ahumahi whakapaipai tāonga me te ahumahi kai hauora.
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Wā tuku: Hakihea-19-2022
