I roto i ngā ahumahi moana me ngā ahumahi taiwhenua o te ao, he mea nui te mahi a ngā pereti maitai ki te whakarite i te pumau o te hanganga, te haumaru, me te roa o te ora o ngā kaipuke me ngā papaaho e mahi ana i roto i ētahi o ngā taiao tino kino o te Ao. Ko ētahi o ngā rauemi e whakamahia whānuitia ana koNgā pereti maitai AH36, DH36, me EH36, nō te wāhanga maitai hanganga kaha-teitei i raro i ngā paerewa ASTM A131. Kua hangaia ēnei momo kia tu atu ki ngā kawenga tino nui, ngā pānga, me ngā āhuatanga waikura o te moana, kia tino hiahiatia ai mō ngā kaupapa hanga kaipuke hou me ngā kaupapa hangarau tai.
At sakyalloy, ka tukuna e mātou he mea kounga teiteiNgā pereti maitai AH36, DH36, me EH36e tutuki ana i ngā paerewa o te ao, ā, e tuku ana i te mahi ōrite puta noa i ngā tono maha e hiahiatia ana.
1. Tirohanga Whānui mō ngā Wāhanga Rino AH36, DH36, me EH36
He maitai moana kaha-teitei a AH36, DH36, me EH36, e whakamahia ana i te nuinga o te wā mō te hanganga kaipuke me ngā hanganga tai. Ko te rerekētanga matua i waenga i ēnei momo ko ō rātoungā whakaritenga pakari pāngai ngā pāmahana rerekē:
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AH36: I whakamātauria i te 0°C (pakari i te pāmahana rūma)
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DH36I whakamātauria i te -20°C (te pakari i te pāmahana iti)
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EH36I whakamātauria i te -40°C (tino pakari i te pāmahana iti)
He rite tonu te hanganga matū me ngā āhuatanga hangarau o ēnei momo, e whakarato ana i te huinga tino pai okaha whakaputa (iti rawa 355 MPa)mekaha kume (490–620 MPa), e whakapūmau ana i te kaha kawenga teitei me te ātete ki te whakarerekētanga.
2. Ngā Āhuatanga Matū me te Āhuatanga Ā-Mīhini
Ko te hanganga matū o ngā pereti maitai AH36, DH36, me EH36 koia ēnei:
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Waro (C):≤ 0.18%
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Manganēhi (Mn):0.90–1.60%
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Hiraka (Si):0.10–0.50%
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Whēkau (P):≤ 0.035%
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Whānariki (S):≤ 0.035%
Tērā pea kei roto hoki i ēnei maitaingā huānga whakakoi-itipērā i te niobium, te vanadium, me te titanium hei whakapai ake i te whakamahine o te witi me te whakapakari i te pakari.
Ngā āhuatanga miihini:
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Kaha Hua: ≥ 355 MPa
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Kaha Kume: 490–620 MPa
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Te roa: ≥ 21%
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Whakamātautau Pānga Charpy V-notch: 0°C (AH36), -20°C (DH36), -40°C (EH36)
Mā tēnei huinga tino pai o te kaha me te pakari ka taea e ēnei māka te pupuri i te tino pai o te ngāwari ki te whakarewa me te hanga i te wā e hangaia ana.
3. Ngā tono i roto i te umanga hanga kaipuke
a. Te Hanganga o te Anga
Ko te anga te tuara o tētahi waka, me whai rauemi e taea ai te tu atu i ngā ahotea pēhi me ngā ahotea piko. He nui te whakamahinga o ngā pereti maitai AH36, DH36, me EH36 mōwhakakikoruatanga o te anga, ngā hanganga papa, mengā wāhanga keel.
He pai ēnei rauemi mō:
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Ngā kaipuke ipu me ngā kaipuke utanga
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Ngā kaipuke hinu me ngā kaikawe LNG
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Ngā kaipuke moana me ngā kaipuke tirotiro
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Ngā kaipuke pāhihi me ngā kaipuke tere moana
Nā te kaha kume teitei o te wai, ka pai ake te mahi ahakoa te taumahatanga o ngā kawenga taimaha me ngā āhuatanga o te moana pōrearea.
b. Ngā Ārai me ngā Hanganga o Runga
He maha ngā wā ka tīpakohia ngā pereti DH36 me EH36 mō ngā pakitara me ngā hanganga o runga nā te mea he kaha ki te ātete i te pakarukaru i ngā pāmahana iti, he mea tino nui tēnei mōTe whakatere i te Ātiki or ngā kaipuke karaehe-pōro.
c. Ngā Pereti Papa me ngā Whakakaha
Nā te tino ngāwari o ēnei maitai ki te whakarewa, he mea pai mō ngā pereti whakapakari papa, ngā hanganga anga, me ētahi atu wāhanga pikau kawenga e hiahia ana kia tino ātete ki te ngenge.
4. Ngā tono mō te moana me te pūngao
Haunga te hanga kaipuke, he mahi nui tā ngā pereti maitai AH36, DH36, me EH36 i roto ingā kaupapa hangarau taiwhenua me te moana, pērā i:
a. Ngā Papa Hinu me te Hau o te Moana
Ka whakamahia ēnei māka i roto ingā waka hiki-ake, ngā papaaho haurua-ruku, me ngā FPSO (ngā waeine rokiroki me te tango uta whakaputa mānu)Nā te kaha o te ātete ki te pānga me te waikura i roto i ngā taiao wai tote, he mea tino pai mō ngā papa tūāpapa, ngā waewae, me ngā kurupae tautoko.
b. Ngā Hanganga Pūngao Hau
I te nekehanga o te ao ki te pūngao hou,ngā pāmu hau o wahokei te tere te horapa. Ko ngā pereti maitai EH36, he pakari rawa atu, e whakamahia whānuitia ana i roto ingā turanga pourewa hau, ngā monopile, me ngā wahi whakawhitihei tu atu i ngā ngaru nui me ngā hau nui.
c. Ngā Taputapu me ngā Paipa o raro moana
I roto i ngā tono raro moana, ka whakamahia ngā momo DH36 me EH36 mōngā oko pēhanga, ngā tautoko paipa, me ngā anga hanganga o raro i te moana, kia mau tonu ai te pakari mō te wā roa ki te ngenge me te waikura.
5. Te Hanga me te Mahi Whakarewa
Ko tētahi o ngā painga matua o ngā pereti maitai AH36, DH36, me EH36 ko tō rātouhe tino pai te whakarewa me te ngāwari ki te mahiKa taea te whakarewa mā te whakamahi i ngā tikanga noa pēnei i:
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Te Whakarewatanga Āwhata Whakamarumaru (SMAW)
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Te Whakarewatanga Āwhata Konukura Hau (GMAW)
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Te Whakarewa Āwhata-Matua (FCAW)
Ko te uara ōrite waro iti (CEV) e whakarite anate iti rawa o te mōrearea o te pakarui te wā e whakarewahia ana, ā, he nui te ātete ki te pakarukaru o te rohe e pāngia ana e te wera. Kāore i te maha te hiahia ki te maimoatanga wera i muri i te whakarewa, ā, ka tere ake te hanga, ka iti ake hoki te utu.
At sakyalloy, ka pāngia ngā pereti katoa ewhakamātautau ultrasonic, tirotiro i ngā āhuatanga, me te manatoko i ngā āhuatanga miihinihei whakarite kia tutukihia ngā paerewa ASTM, ABS, LR, DNV, me BV.
6. Te Ātete ki te Waikura me ngā Maimoatanga Mata
Mā te mahi i roto i ngā taiao moana ka tūpono ngā hanganga maitai ki te whakaekenga tonu mai i te wai tote, te haumākū, me ngā poke o te hau. He pai te ātete o ngā maitai AH36, DH36, me EH36 ki te waikura nā te mea he mea whakahaere te whakakotahitanga o te konukōre, ā, ka taea te tiaki atu mā roto i:
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Te pupuhi me te whakapūmau
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Ngā paninga konutea, epoxy rānei
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Ngā pūnaha tiaki katote
Ka roa ake te ora o ngā kaipuke me ngā papaaho o waho i ēnei maimoatanga mata, ka whakaiti i ngā utu tiaki me te ārai i te pirau o ngā hanganga.
7. Ngā Whakaaetanga a te Rōpū Whakarōpūtanga
Kua whakaaetia ngā pereti maitai AH36, DH36, me EH36 e ngā rōpū whakarōpūtanga nui o te ao, tae atu ki:
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ABS (Tari Tukunga o Amerika)
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LR (Rēhita a Lloyd)
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BV (Tari Veritas)
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DNV (Te Tari Matua o Ngā Whenua o Norse)
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GL, RINA, me NK
Mā ēnei tiwhikete ka oatitia te tutuki a ngā pereti i ngā paearu kounga me te mahi tino tika e hiahiatia ana mō ngā hanganga moana me ngā hanganga taiwhenua nui.
8. Ngā Painga o te Whakamahi i te AH36, DH36, me te EH36
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Te ōwehenga kaha-ki-taumaha teiteika whakaiti i te taumaha katoa o te kaipuke, ka whakapai ake i te whakamahinga wahie.
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He tino pai te whakarewaka whakangawari i ngā tukanga hanga me te whakatikatika.
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Ātete pānga pai rawa atue whakarite ana i te haumaru me te mahi ahakoa i roto i te pāmahana tio.
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Kounga whaimana me te whai i te koungae tika ana mō ngā paerewa whakarōpūtanga kaipuke o te ao.
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Otinga utu-whai huaki te whakataurite ki ngā maitai koranu mō ngā taumata mahi ōrite.
9. Ngā Kiritaki Noa me ngā Kaiwhakamahi Whakamutunga
Ko ngā ahumahi e tino whakawhirinaki ana ki ngā pereti AH36, DH36, me EH36 ko:
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Ngā wāhi hanga kaipuke me ngā kaihanga moana
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Ngā umanga miihini hinu me te hau
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Ngā kaiwhakawhanake pūngao hou o tāwāhi
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Ngā kaimahi tiaki moana
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Ngā awheawhe hanga taumaha
Kua whakamahia angitu ēnei rauemi ki ngā kaupapa puta noa i Āhia, i Ūropi, i te Waenganui Rawhiti, me Amerika.
10. He aha koe i whiriwhiri ai i a sakysteel mō ngā otinga maitai moana
sakysteel(he wāhanga osakysteel) e whakarato ana i te whānuitanga katoa o ngā maitai hanga kaipuke, tae atu ki te AH36, DH36, me te EH36, i ahu mai i ngā mira rongonui, ā, e wātea ana i roto i ngā rahi, ngā matotoru, me ngā āhuatanga o te mata kua whakaritea.
Ko ā mātou painga ko:
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Te whai i ngā mea katoa me ngā tiwhikete EN 10204 3.2
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Te tukunga i te wā tika me te tautoko ratonga ā-ao
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Utu whakataetae mō ngā ota nui me ngā ota kaupapa
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Tautoko hangarau tohunga me te ratonga muri-hoko
Ahakoa kei te hanga kaipuke hou koe, kei te hanga papaaho tai rānei,sakysteelmā te whakarite kia whiwhi koe i te maitai kounga-moana e tutuki ana, e hipa ana rānei i ō whakaritenga hangarau.
Whakamutunga
Ko te angitu o tētahi kaupapa hanga kaipuke, kaupapa takutai moana rānei, e whakawhirinaki ana ki te pono o ngā rauemi hanganga.Ngā pereti maitai AH36, DH36, me EH36kua whakamātauhia ko rātou te pou tuarā o ngā hanganga moana me ngā hanganga tai o ēnei rā, e whakarato ana i te kaha, te manawanui, me te ngāwari ki te whakarewa.
Te mahi tahi mesakysteelko te tikanga ko te whiriwhiri i tētahi kaiwhakarato pono e whakapau kaha ana ki te kounga, te tika, me te mahi roa. Me ō mātou tohungatanga me te whānuitanga o te ao, kua rite mātou ki te tautoko i tō kaupapa hangarau moana e whai ake nei me ngā rauemi e tu pakari ana.
Wā tuku: Whiringa-ā-rangi 12-2025