Ko te paipa maitai kore waikura 304/304L tētahi o ngā rauemi mata tino nui mō te hanga hononga paipa maitai kore waikura. Ko te maitai kore waikura 304/304L he koranu maitai kore waikura chromium-nickel noa, he ātete pai ki te waikura me te ātete ki te pāmahana teitei, he tino pai mō te hanga hononga paipa.
He pai te ātete o te maitai kore waikura 304 ki te waikura me te waikura, ā, ka taea te pupuri i te pumau me te kaha o tōna hanganga i roto i ngā momo taiao matū. Hei tāpiri, he tino pai te mahi tukatuka me te pakari, he pai mō te mahi makariri me te mahi wera, ā, ka taea te whakatutuki i ngā whakaritenga hanga o ngā momo hononga paipa.
He nui ngā whakaritenga mō ngā rauemi mō ngā hononga paipa kowiri tira, inā koa ngā hononga paipa tuimotu, ā, me pai te hiri me te ātete ki te pēhanga. He maha ngā wā ka whakamahia te paipa kowiri tira tuimotu 304 hei hanga i ngā hononga paipa rerekē nā te mea he kaha teitei, he ātete ki te waikura, he maeneene hoki te mata o roto, pērā i ngā tuke, ngā tī, ngā flanges, ngā pane nui me ngā pane iti, me ētahi atu.
I roto i te poto,Paipa maitai kore waikura 304He mea nui tēnei i roto i te hanga o ngā hononga paipa kowiri tira, he tino pai te mahi me te kounga pono, ā, he mea nui hoki hei whakamana i te haumaru o te mahi me te roa o te mau o ngā hononga paipa.
Nō reira, i mua i te wehenga atu i te wheketere i roto i te tukanga whakaputa rauemi mata, me whakamātautau anō, ā, me tutuki hoki ngā whakaritenga paerewa mō te hanga o ngā hononga paipa. Anei ētahi tikanga tirotiro mahi o te 304/304Lpaipa maitai kore waikura.
01. Whakamātautau waikura
Me whakamātau te paipa maitai kore waikura 304 i te ātete ki te waikura kia rite ki ngā whakaritenga paerewa, ki te tikanga waikura rānei i whakaaetia e ngā taha e rua.
Whakamātautau waikura ā-ira: Ko te kaupapa o tēnei whakamātautau he kite mēnā he āhua waikura ā-ira te rauemi. Ko te waikura ā-ira he momo waikura ā-rohe e hanga ana i ngā kapiti waikura i ngā rohe kōpaka o te rauemi, ā, ka mutu, ka rahua te rauemi.
Whakamātautau waikura ahotea:Ko te whāinga o tēnei whakamātautau he whakamātautau i te ātete ki te waikura o ngā rauemi i roto i ngā taiao ahotea me te waikura. Ko te waikura ahotea he momo waikura tino morearea e puta ai ngā kapiti i ngā wāhi o tētahi rauemi e ahotea ana, ka pakaru ai te rauemi.
Whakamātautau Poka:Ko te whāinga o tēnei whakamātautau he whakamātautau i te kaha o tētahi rauemi ki te ātete i te pakaru i roto i tētahi taiao kei roto ngā iona kōhaita. Ko te waikura pakaru he momo waikura ā-rohe e hanga ana i ngā kōhao iti ki te mata o te rauemi, ā, ka whānui haere hei hanga i ngā kapiti.
Whakamātautau waikura ōrite:Ko te whāinga o tēnei whakamātautau he whakamātautau i te ātete whānui o ngā rauemi ki te waikura i roto i te taiao waikura. Ko te waikura ōrite e pā ana ki te hanganga ōrite o ngā paparanga waikura, ngā hua waikura rānei i runga i te mata o te rauemi.
I te wā e whakahaerehia ana ngā whakamātautau waikura, me whiriwhiri ngā āhuatanga whakamātautau e tika ana, pērā i te reo waikura, te pāmahana, te pēhanga, te wā whakaatu, me ētahi atu. Whai muri i te whakamātautau, me aromatawai te ātete waikura o te rauemi mā te tirotiro tirohanga, te ine i te whakahekenga taumaha, te tātari whakarewa me ētahi atu tikanga i runga i te tauira.
02. Tirotiro i te mahi a te tukanga
Whakamātautau papatahi: ka kitea te kaha o te ngongo ki te huri i te āhua papatahi.
Whakamātautau kume: Ka ine i te kaha kume me te roa o tētahi rauemi.
Whakamātautau pānga: Aromātaihia te pakari me te ātete pānga o ngā rauemi.
Whakamātautau mura: whakamātauria te ātete o te ngongo ki te whakarerekētanga i te wā e whakawhanui ana.
Whakamātautau mārō: Ine i te mārō o tētahi rauemi.
Whakamātautau whakarewa: mātakitaki i te hanganga moroiti me te whakawhiti āhua o te rauemi.
Whakamātautau piko: Aromātaihia te rerekētanga me te rahunga o te ngongo i te wā e piko ana.
Whakamātautau kore-whakangaro: tae atu ki te whakamātautau iahiko hurihuri, te whakamātautau hihi-X me te whakamātautau ultrasonic hei kimi i ngā hapa me ngā hapa i roto i te ngongo.
03. Tātaritanga matū
Ka taea te whakahaere i te tātari matū o te hanganga matū o te paipa maitai kore waikura 304 mā te tātari hihinga, te tātari matū, te tātari hihinga pūngao me ētahi atu tikanga.
I roto i ēnei, ka taea te whakatau i te momo me te ihirangi o ngā huānga i roto i te rauemi mā te ine i te whānuitanga o te rauemi. Ka taea hoki te whakatau i te momo me te ihirangi o ngā huānga mā te whakarewa matū i te rauemi, te redox, me ētahi atu, kātahi mā te titration, te tātari taputapu rānei. Ko te ine pūngao he huarahi tere, ngāwari hoki ki te whakatau i te momo me te nui o ngā huānga i roto i te rauemi mā te whakaohooho i a ia ki te hihi irahiko, kātahi ka kitea ngā hihi-X e puta mai ana, te irahiko āhuatanga rānei.
Mō te paipa maitai kore waikura 304, me tutuki te hanganga matū o te rauemi ki ngā whakaritenga paerewa, pērā i te paerewa Hainamana GB/T 14976-2012 "paipa maitai kore waikura mō te kawe wai", e whakatakoto ana i ngā tohu hanganga matū o te paipa maitai kore waikura 304, pērā i te waro, te silicon, te manganese, te phosphorus, te whanariki, te chromium, te nickel, te molybdenum, te hauota me ētahi atu whānuitanga o ngā huānga. I te wā e mahi ana i ngā tātaritanga matū, me whakamahi ēnei paerewa, waehere rānei hei pūtake hei whakarite kia tutuki ngā whakaritenga o te hanganga matū o te rauemi.
Rino (Fe): Taha
Waro (C): ≤ 0.08% (304L te ihirangi waro ≤ 0.03%)
Hiraka (Si):≤ 1.00%
Manganēhi (Mn): ≤ 2.00%
Whēkau (P): ≤ 0.045%
Whānariki（S）：≤ 0.030%
Konukōmiuma (Kr): 18.00% - 20.00%
Nikara(Ni):8.00% - 10.50%
Kei roto ēnei uara i te awhe e hiahiatia ana e ngā paerewa whānui, ā, ka taea te whakatikatika i ngā hanganga matū motuhake kia rite ki ngā paerewa rerekē (hei tauira, ASTM, GB, me ētahi atu) me ngā whakaritenga hua motuhake a te kaihanga.
04. Whakamātautau hau me te wai
Te whakamātautau pēhanga wai me te whakamātautau pēhanga hau o te 304paipa maitai kore waikurae whakamahia ana hei whakamātautau i te ātete ki te pēhanga me te pūmau o te hau o te paipa.
Whakamātautau waipū:
Whakaritea te tauira: Tīpakohia te tauira e tika ana kia tutuki ai ngā whakaritenga whakamātautau i te roa me te whānui o te tauira.
Honoa te tauira: Honoa te tauira ki te mīhini whakamātautau wai-pūmau kia pai ai te hiri o te hononga.
Tīmata te whakamātautau: Werohia te wai i te pēhanga kua tohua ki roto i te tauira, ka pupuri mō te wā kua whakaritea. I raro i ngā āhuatanga noa, ko te pēhanga whakamātautau he 2.45Mpa, ā, kaua e iti iho i te rima hēkona te wā pupuri.
Tirohia mēnā he turuturu: Mātakihia te tauira mō ngā turuturu, ētahi atu āhuatanga rerekē rānei i te wā whakamātautau.
Tuhia ngā hua: Tuhia te pēhanga me ngā hua o te whakamātautau, ka tātarihia ngā hua.
Whakamātautau paeroa:
Whakaritea te tauira: Tīpakohia te tauira e tika ana kia tutuki ai ngā whakaritenga whakamātautau i te roa me te whānui o te tauira.
Honoa te tauira: Honoa te tauira ki te mīhini whakamātautau pēhanga hau kia pai ai te hiri o te wāhanga hononga.
Tīmata te whakamātautau: Werohia te hau i te pēhanga kua tohua ki roto i te tauira, ka pupuri mō te wā kua whakaritea. Ko te pēhanga whakamātautau he 0.5Mpa, ā, ka taea te whakarerekē i te wā pupuri ina hiahiatia.
Tirohia mēnā he turuturu: Mātakihia te tauira mō ngā turuturu, ētahi atu āhuatanga rerekē rānei i te wā whakamātautau.
Tuhia ngā hua: Tuhia te pēhanga me ngā hua o te whakamātautau, ka tātarihia ngā hua.
Me mārama ko te whakamātautau me whakahaere i roto i tētahi taiao e tika ana, ā, ko ngā āhuatanga pēnei i te pāmahana, te haumākū me ētahi atu tawhā me tutuki i ngā whakaritenga o te whakamātautau. I taua wā anō, me aro ki te haumaru i te wā e whakahaere ana i ngā whakamātautau hei karo i ngā āhuatanga ohorere i te wā o te whakamātautau.
Wā tuku: Hurae-26-2023