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Ngā Ngongo Piko U Kowiri tira/Nika
Whakaaturanga hua:
Ko te ngongo U te tikanga e whakamahia ana hei whakawhiti wera i roto i ngā wai tukatuka me ngā pūwhakamahana nui. Ka pupuhihia te wai i roto i te paipa, kātahi mā te hononga-U, ka hoki mai i roto i te paipa e whakarara ana ki te rārangi rerenga mai. Ka whakawhitihia te wera mā te pakitara o te ngongo ki te rauemi takai. Ka whakamahia tēnei hoahoa mō ngā tono ahumahi, ka taea te riringi i ngā ngongo U maha ki roto i ngā ipu hinu kei roto he kaha wera nui.
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Pereti Kowiri tira 304 316L 2205 S31803
Whakaaturanga hua:
Ko te ātete ki te waikura o te maitai kore waikura e whakawhirinaki ana ki te hanganga o te koranu (Cr, Ni,Ti, Si, Al, Mn, me ētahi atu) me tōna hanganga whakahaere o roto.
E ai ki te tikanga hanga, e rua ngā momo o te huri wera me te huri matao, ā, e ai ki ngā āhuatanga o te kiko, e rima ngā momo maitai e wehea ana: te momo austenite, te momo austenite-ferrite, te momo ferrite, te momo martensite, me te momo whakapakeketanga o te ua.
He maeneene te mata o te pereti kowiri tira, he tino kirihou, he pakari, he kaha ā-ringa hoki, ātete ki te waikawa, te hau kawakore, te wairewa me ētahi atu mea waikura. He koranu maitai tēnei e kore e waikura wawe.
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Pereti Rino Koranu SA588 SA387
Whakaaturanga hua:
E ai ki te ihirangi o ngā huānga whakarewa, ka wehea kia:
rino whakarewa iti (ko te tapeke o ngā huānga whakarewa he iti iho i te 5%),
Rino koranu waenga (5% -10% o ngā huānga koranu katoa)
Te maitai koranu teitei (kei runga ake i te 10% te katoa o te huānga koranu).
E ai ki te hanganga o te huānga koranu ki roto i:
Te maitai chromium (Cr-Fe-C)
Te maitai Chromium-nickel (Cr-Ni-Fe-C)
Te maitai konupora (Mn-Fe-C)
Te maitai silicon-manganese (Si-Mn-Fe-C)
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Pereti Ātete-Kakahu, Pereti Ātete-Huarere
Whakaaturanga hua:
E rua ngā wāhanga o te pereti maitai ātete-kakahu: te pereti maitai waro-iti me te paparanga ātete-kakahu koranu. Ko te matotoru o te paparanga ātete-kakahu koranu he 1/3~1/2 o te matotoru katoa. I te wā e mahi ana, ka whakaratohia e te matihiko te mahi whānui pēnei i te kaha, te pakari me te kirihou, ā, ka whakaratohia e te paparanga ātete-kakahu koranu te ātete-kakahu kia tutuki ai ngā whakaritenga o ngā tikanga mahi kua tohua.
Ko te paparanga ātete-mau o te koranu he koranu chromium te nuinga, ā, ka tāpirihia hoki te manganese, te molybdenum, te niobium, te nickel me ētahi atu wāhanga koranu. Ka tohatohahia te carbide i roto i te kiko whakarewa i roto i te āhua muka, ā, ko te ahunga muka he poutū ki te mata. Ka taea e te pakeketanga moroiti o te carbide te eke ki runga ake i te HV1700-2000, ā, ka taea e te pakeketanga o te mata te eke ki te HRC 58-62. He kaha te pumau o te carbide koranu i te pāmahana teitei, he pakeketanga teitei tonu, engari he pai hoki ngā āhuatanga antioxidant, i roto i te 500℃ te whakamahinga noa.
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Pereti Ipu SA516 Gr60 Gr70 SA387Gr22CL2
Whakaaturanga hua:
Ko te pereti ipu he mea whakamahi nui mō te whakamahi i te oko pēhanga
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Pereti maitai waro S235JR S275JR S355JR
Whakaaturanga hua:
Ka wehea ngā pereti rino ki ngā pereti wera me ngā pereti matao.
E ai ki ngā momo maitai, kei reira te maitai noa, te maitai kounga teitei, te maitai koranu, te maitai puna, te maitai kore waikura, te maitai taputapu, te maitai ātete wera, te maitai whāriki, te maitai silicon me te pepa rino parakore ahumahi.
E ai ki te nui o te waro, ka taea te wehewehe i te maitai hanganga waro kounga teitei kia toru ngā wāhanga: te maitai waro iti (C 0.25%), te maitai waro waenga (C 0.25-0.6%) me te maitai waro teitei (C & gt; 0.6%).
Ko te maitai hanganga waro kounga teitei ka wehea ki te konupora noa (0.25% -0.8%) me te konupora teitei ake (0.70% -1.20%), ā, he pai ngā āhuatanga hangarau me ngā āhuatanga tukatuka o tēnei maitai.
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304, 310S, 316, 347, 2205 Flange Kowiri tira
Whakaaturanga hua:
Ko te flange, e mōhiotia ana ko te kōpae flange, ko te awhi rānei. Ko te tikanga e pā ana ki te whakatuwheratanga i te taha o te tinana whakarewa rite ki te kōpae. He maha ngā kōhao pumau e whakamahia ana hei hono i ētahi atu wāhanga, ā, e whakamahia whānuitia ana i roto i ngā taputapu miihini me ngā hononga paipa. Ko te flange he wāhanga e honoa ana i waenga i te pou me te pou hei hononga i waenga i ngā pito paipa, ā, e whakamahia ana hoki i te tomokanga me te putanga o ngā taputapu hei hononga i waenga i ngā taputapu e rua pēnei i te flange whakaiti.
He mea nui te flange hei hono i ngā paipa, ā, e whakamahia whānuitia ana i roto i ngā momo ahumahi. Ko tana mahi matua he hono i te paipa, kia pai ai te hiri me te pumau o te pūnaha paipa. Ka taea te whakamahi i ngā flange ki ngā momo pūnaha paipa. Ka taea te hono i ngā flange ki ngā momo paipa, tae atu ki ngā paipa wai, ngā paipa hau, ngā paipa paipa, ngā paipa matū me ētahi atu. Ahakoa i roto i te petrochemical, te hanga kaipuke hiko, te tukatuka kai, te rongoā me ētahi atu ahumahi, ka kitea ngā flange. Ka hipokina e ngā flange te whānuitanga o ngā pūnaha paipa, ngā pāpāho, ngā taumata pēhanga me ngā awhe pāmahana. I roto i te whakaputa ahumahi, ko te whiriwhiri tika me te whakamahi i te flange he mea nui hei whakarite i te mahi haumaru o te pūnaha paipa.
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304, 310S, 316, 347, 2205 Takirere Tapahi Kowiri tira – Wehe, Takirere Pōro, Takirere Pūrerehua
Whakaaturanga hua:
He taputapu te takirere hei whakahaere i te ahunga, te pēhanga me te rere o tētahi pūnaha wai. He taputapu hei rere, hei aukati rānei i te wai (wai, hau, paura) i roto i te paipa me ngā taputapu, hei whakahaere hoki i tōna tere rere.
Ko te takirere te wāhanga whakahaere i roto i te pūnaha tuku wai paipa, e whakamahia ana hei whakarerekē i te wāhanga urunga me te ahunga rere reo, me ngā mahi hei huri, hei tapahi, hei whakatere, hei tirotiro, hei huri, hei tukunga pehanga waipuke rānei. Ko ngā takirere e whakamahia ana mō te whakahaere wai, mai i te takirere aukati tino māmā ki te pūnaha whakahaere aunoa tino uaua e whakamahia ana i roto i ngā momo takirere, ōna momo me ngā whakatakotoranga, ko te diameter ingoa o te takirere mai i te takirere taputapu iti rawa ki te diameter o te takirere paipa ahumahi 10m. Ka taea te whakamahi hei whakahaere i te rere o ngā momo momo pēnei i te wai, te mamaoa, te hinu, te hau, te paru, ngā momo pāpāho waikura, te konganuku wai me te wai irirangi. Ko te pehanga mahi o te takirere ka taea te awhe mai i te 0.0013MPa ki te 1000MPa, ā, ko te pāmahana mahi ka taea te c-270℃ ki te pāmahana teitei o te 1430℃.
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304, 310S, 316, 347, 2205 Tuke Kowiri tira
Whakaaturanga hua:
He hononga paipa te tuke e whakamahia ana hei whakarerekē i te ahunga o te paipa. He porotaka piko o te paipa e āhei ai te wai ki te whakarerekē i te ahunga rere i roto i te paipa. He whānuitia te whakamahinga o te tuke i roto i ngā pūnaha paipa i roto i ngā ahumahi, ngā hanganga me ngā mahi ā-iwi hei kawe i ngā momo wai, hau me ngā matūriki totoka.
Ko te tuke he mea hanga i te nuinga o te wā ki te konganuku, ki te kirihou rānei, he pai te ātete ki te waikura me te pēhanga. Ko ngā tuke whakarewa he mea hanga i te rino, te maitai, te kowiri tira me ētahi atu rauemi, ā, he pai mō te kawe i ngā mea pāmahana teitei, te pēhanga teitei me te waikura. He maha ngā wā ka whakamahia ngā tuke kirihou i roto i ngā pūnaha paipa he iti te pēhanga, he iti te pāmahana me te kore waikura.
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Ngongo Konumohe (2024 3003 5083 6061 7075 me ētahi atu)
Whakaaturanga hua:
Ko ngā paipa konumohe e wehea ana ki ngā momo e whai ake nei.
E ai ki te āhua: paipa tapawhā, paipa porowhita, paipa tauira, paipa āhua-motuhake, paipa konumohe ā-ao.
E ai ki te tikanga whakaputa: he paipa konumohe tui me he paipa whakaputa noa.
E ai ki te tika: ko ngā paipa konumohe noa me ngā paipa konumohe tino tika, ko te tikanga me tukatuka anō ngā paipa konumohe tino tika i muri i te whakaputanga, pērā i te tuhi makariri, te hurihuri rānei.
Mā te matotoru: he paipa konumohe noa me he paipa konumohe angiangi.
Mahi: ātete ki te waikura, mama te taumaha.
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Ngā Koiri Konumohe/ Rau Konumohe/ Pereti Konumohe
Whakaaturanga hua:
He pereti tapawhā rite te pereti konumohe i tukatukahia mai i ngā poro konumohe, he whānuitia ngā whakamahinga. Ka taea te whakamahi mō te rama, ngā taputapu whare me ngā taonga o ia rā, tae atu ki ngā whakapaipai o roto. I roto i te ao ahumahi, ka taea hoki te whakamahi mō te tukatuka i ngā wāhanga miihini me te hanga pokepokea ai.
Pereti konumohe 5052. He pai te āhua o tēnei koranu, he ātete ki te waikura, he ātete ki te tūrama rama, he kaha ki te ngenge, he kaha hoki ki te pumau, ā, e whakamahia ana i roto i te hanga i ngā tāke wahie rererangi, i ngā paipa hinu, me ngā wāhanga pepa whakarewa mō ngā waka kawe me ngā kaipuke, i ngā taputapu, i ngā whāriki rama tiriti me ngā rivet, i ngā hua taputapu, me ētahi atu.
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Ngā Rīpene Parahi, Rau Parahi, Koiri Rau Parahi, Pereti Parahi
Whakaaturanga hua:
He konganuku kore-ferrous te parahi, he whanaunga tata ki te tangata. He whānuitia te whakamahinga i roto i ngā umanga hiko, ngā umanga māmā, ngā umanga mīhini, ngā umanga hanga, ngā umanga tiaki whenua me ētahi atu mara, ā, ko te tuarua anake i te konumohe i roto i te whakamahinga o ngā rauemi konganuku kore-ferrous i Haina.
Ko te parahi te mea e whakamahia whānuitia ana, ā, ko te mea nui rawa atu hoki e whakamahia ana i roto i ngā ahumahi hiko me te hikohiko, e neke atu ana i te haurua o te whakamahinga katoa. E whakamahia ana i roto i te hanga i ngā momo taura me ngā waea, ngā motuka me ngā whakawhiti hiko, ngā pana, me ngā papa hiko tā. I roto i te hanga waka miihini me te waka kawe, e whakamahia ana hei hanga i ngā takirere me ngā taputapu ahumahi, ngā taputapu, ngā peera reti, ngā pokepokea ai, ngā whakawhiti wera me ngā papu, me ētahi atu.