Mu dziko lovuta lakumanga zombo ndi uinjiniya wa m'mphepete mwa nyanja, zipangizo nthawi zonse zimatsutsidwa ndimalo ovuta kwambiri, kuphatikizapo kutentha kochepa, kuthamanga kwambiri, ndi kupsinjika kosalekeza chifukwa cha mafunde ndi katundu wamakina. Kukhazikika kwa kapangidwe ka zombo ndi nsanja za m'mphepete mwa nyanja sikudalira mphamvu yokoka yokha komanso chinthu chofunikira chodziwika kutikulimba kwa zotsatira— kuthekera kwa chitsulo kuyamwa mphamvu ndikukana kusweka kosalimba pa kutentha kochepa.
Pakati pa zitsulo zodalirika kwambiri za m'madzi,DH36 ndi EH36amadziwika chifukwa chakukana kutentha kochepa, kukhazikitsa muyezo wa magwiridwe antchito ndi chitetezo m'malo ovuta a m'nyanja. Zitsulo izi zimapangidwa mwapadera kuti zisamawonongekekulimba ndi kusinthasinthangakhale zitakumana ndi kutentha kwapansi pa zero, kuonetsetsa kuti zombo ndi nyumba za m'mphepete mwa nyanja zitha kugwira ntchito bwino m'nyanja yozizira komanso m'malo ozizira a Arctic.
Monga wogulitsa zitsulo zam'madzi wovomerezeka padziko lonse lapansi,sakysteelamaperekaMa sheti omanga zombo a DH36 ndi EH36omwe akutsatira mokwanira miyezo yapadziko lonse lapansi mongaABS, DNV, LR, BV, ndi CCS, kupereka kudalirika kosayerekezeka komanso kulimba mu ntchito yotsika kutentha.
Kumvetsetsa Magiredi a Chitsulo a DH36 ndi EH36
Zonse ziwiriDH36ndiEH36ndi gawo laMndandanda wa zitsulo zamphamvu kwambiri za ASTM A131 / ABS, yopangidwira makamaka ma ship, ma deck, ndi ma platforms a m'mphepete mwa nyanja omwe amagwira ntchito m'malo ozizira. Zitsulo izi zimagawana zomwezomphamvu yamakinakoma zimasiyana m'njira zawokulimba kwa zotsatira ndi kutentha kwa mayeso.
| Kalasi yachitsulo | Mphamvu Yotulutsa (MPa) | Mphamvu Yokoka (MPa) | Kutentha kwa Mayeso a Charpy Impact | Ntchito Yachizolowezi |
|---|---|---|---|---|
| DH36 | 355 | 490–620 | -20°C | Mapulatifomu a m'mphepete mwa nyanja, zombo za m'madzi ozizira |
| EH36 | 355 | 490–620 | -40°C | Zombo za Arctic, zonyamulira za LNG, ndi nyumba za polar |
Kusiyana kwakukulu kuli mukutentha komwe giredi iliyonse imasunga kulimba kwake— chinthu chofunikira kwambiri popewa kulephera kwa kapangidwe kake panthawi yozizira.
Kufunika kwa Kukana Kukhudzidwa ndi Kutentha Kochepa
Zitsulo zikamayikidwa pamalo otentha kwambiri, mphamvu yawo yosinthira mawonekedwe a pulasitiki imachepa. Pamene kutentha kumatsika, zitsulo zimatha kusintha kuchoka pamkhalidwe wa ductilekumkhalidwe wofooka, komwe ming'alu ingafalikire mwadzidzidzi komanso moopsa kwambiri ikakhudzidwa kapena kupsinjika. Chochitika ichi, chodziwika kutikusintha kwa ductile kupita ku brittle, ndi chimodzi mwa zinthu zomwe zimadetsa nkhawa kwambiri pa kapangidwe ka zinthu za m'nyanja.
Kukana kutentha kochepaamayesa momwe chitsulo chingayamire mphamvu ya kugwedezeka ndi kukana kusweka pansi pa mikhalidwe iyi. Mphamvu ya kugwedezeka ikakwera kwambiri pa kutentha kwina, chinthucho chimakhala cholimba komanso chotetezeka.
Zitsulo za DH36 ndi EH36 zapangidwa kuti zisamalidwekuyamwa mphamvu kwakukulukutentha kozizira kwambiri, kuonetsetsa kuti zimatha kupirira:
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Kupsinjika kwa mafunde mobwerezabwereza ndi kugwedezeka
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Kugundana mwadzidzidzi kapena zochitika za pansi
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Kugwedezeka kwa makina chifukwa cha kusamalira katundu
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Kusinthasintha kwa kutentha mwachangu panthawi yogwira ntchito
Mwachidule,Kulimba kwa kutentha kochepa kumatanthauza malire a chitetezoza zombo ndi nsanja za m'mphepete mwa nyanja zomwe zimagwira ntchito m'madera ozizira komanso akumpoto.
Kapangidwe ka Microstructure ndi Alloy Back of Strongness
Thekulimba kwamphamvu kwambirizitsulo za DH36 ndi EH36 zimachokera ku zitsulo zawo.kapangidwe ka mankhwala kolamulidwandikukonza kwa thermo-mechanical (TMCP).
Kapangidwe ka Mankhwala (%):
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Kaboni (C):≤ 0.18
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Manganese (Mn):0.90–1.60
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Silikoni (Si):0.10–0.50
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Phosphorus (P):≤ 0.035
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Sulfure (S):≤ 0.035
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Niobium (Nb), Vanadium (V), Titanium (Ti):≤ 0.10
Kuyika ma microalloying ndiNb, V, ndi Tikumakonza kapangidwe ka tirigu, pomwe kuzunguliridwa kolamulidwa ndi kuzizira mwachangu kumaonetsetsa kutikapangidwe ka ferrite-pearlite kakang'ono, kofananaKapangidwe ka tirigu wokonzedwa bwino kameneka kamachepetsa kufalikira kwa ming'alu ndipo kamawonjezerakulimba pa kutentha kwapansi pa zero.
Mayeso a Charpy Impact: Chizindikiro cha Ubwino
TheMayeso a Charpy V-notch (CVN) a impact testndiyo njira yodziwika bwino yomwe imagwiritsidwa ntchito poyesa kulimba kwa kutentha kochepa mu mbale zachitsulo za DH36 ndi EH36. Mayesowa amayesamphamvu imayamwa (mu ma Joules)pamene chitsanzo chodulidwa chagundidwa ndi nyundo ya pendulum pa kutentha komwe kwatchulidwa.
Zofunikira Zachikhalidwe:
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DH36:Kuyesedwa pa-20°C, mphamvu yochepa yoyamwa ya 34 Joules
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EH36:Kuyesedwa pa-40°C, mphamvu yochepa yoyamwa ya 34 Joules
Kuyesa uku kumatsimikizira kuti:
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DH36 imakhalabe yofewa m'malo ozizira a nyanja
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EH36 imapereka chitetezo chapamwamba kwambiriMikhalidwe ya ntchito ya Arctic kapena cryogenic
Kukana kwakukulu kwa mphamvu ya EH36 kumapereka mwayi wabwino kwambirizombo zapamadzi zoyenda pansi pa madzi oundana, zonyamula LNG, ndi zoyikamo pansi pa nyanja, komwe kuzizira kwambiri ndi kupsinjika kwakukulu kumafuna ntchito yapamwamba kwambiri yazinthu.
Kuyerekeza kwa Katundu wa Makina
| Katundu | DH36 | EH36 |
|---|---|---|
| Mphamvu Yotulutsa (MPa) | 355 | 355 |
| Mphamvu Yokoka (MPa) | 490–620 | 490–620 |
| Kutalika (%) | ≥ 21 | ≥ 21 |
| Kutentha kwa Mayeso a Impact | -20°C | -40°C |
| Mphamvu Yochepa Yokhudza Mphamvu (J) | 34 | Zaka 34+ |
Magiredi onsewa amapereka zomwezozokolola zambiri komanso mphamvu yokoka, koma EH36 imasunga kulimba kwake ngakhale kutentha kotsika kwambiri — chinthu chofunikira kwambiri pakugwiritsa ntchito kwake mumalo okhala polar kapena cryogenic.
Kugwiritsa ntchito zitsulo za DH36 ndi EH36
1. Mapulatifomu ndi Kapangidwe kake ka Kunja
DH36 ndi EH36 zimagwiritsidwa ntchito kwambiri munsanja zobowolera za m'mphepete mwa nyanja, malo osungiramo zinthu zoyandama ndi kutsitsa (FPSO)ndinyumba za pansi pa nyanja, komwe kutentha kumatsika komanso dzimbiri la madzi amchere limafuna kulimba kwambiri komanso kukana kufalikira kwa ming'alu.
2. Kumanga Zombo ndi Kumanga Maboti
Thupi la sitimayo liyenera kukanakugwedezeka kwa mafunde, kupsinjika, ndi kupotozapopanda kusweka. Zitsulo za DH36 ndi EH36 zimaonetsetsa kuti thupi la chombocho likhale lolimba komanso losinthasintha, ngakhale m'malo ozizira monga kumpoto kwa Atlantic ndi m'madzi a Arctic.
3. Zipangizo Zonyamulira LNG ndi Cryogenic
EH36 ndiye chinthu chomwe chimakondedwa kwambiriMatanki osungiramo zinthu za LNG ndi zombo zonyamulira, komwe kutentha kumatha kufika-163°CKuthekera kwake kusunga kusinthasintha kwa kutentha kwambiri kumatsimikizira kuti zinthuzo ndi zotetezeka komanso zotetezeka.
4. Zombo za Polar ndi Ice-Class
Zombo zofufuza za ayezi ndi zombo zofufuza za ku Arctic zimadalira EH36 pa ntchito yawo.zipolopolo zakunja ndi madesiki, chifukwa imalimbana ndi kusweka kosalimba ikagundana ndi ayezi kapena zinyalala zoyandama.
5. Maziko a Mphamvu ya Mphepo ya M'mphepete mwa Nyanja
Pamene mafamu a mphepo za m'mphepete mwa nyanja akukulirakulira m'nyanja yozizira, chitsulo cha EH36 chimagwiritsidwa ntchitonsanja za turbine ndi maziko a monopile, kuonetsetsa kuti ntchito yodalirika ikuyenda bwino m'malo omwe ali pansi pa zero.
Ubwino Waukulu wa Zitsulo Zotentha Kwambiri
1. Chitetezo ndi Kukhazikika kwa Kapangidwe ka Nyumba
Kukana kutentha kochepa kumalepheretsa kusweka kwadzidzidzi, kuonetsetsa kutichitetezo cha ogwira ntchito, katundu, ndi zomangamanga za m'madzingakhale pansi pa katundu wosayembekezereka kapena kupsinjika kwa chilengedwe.
2. Utumiki Wautali
Kapangidwe kakang'ono ka DH36 ndi EH36 kamalimbana ndi kutopa, zomwe zimapangitsa kutinthawi yayitali yogwira ntchitoza zombo ndi zinthu zina za m'mphepete mwa nyanja.
3. Ndalama Zochepetsera Zokonzera
Kulimba kwambiri komanso kukana dzimbiri kumachepetsa kuchuluka kwa kukonza komwe kumachitika chifukwa cha ming'alu, kuwonongeka, kapena kuwonongeka kwa chilengedwe.
4. Chiŵerengero Champhamvu Kwambiri Kulemera
Zitsulo zonse ziwiri zimalolamapangidwe opepuka a kapangidwe, kukonza bwino kayendedwe ka sitimayo komanso kuchepetsa kugwiritsa ntchito mafuta pamene ikusunga mphamvu zake.
5. Kutsatira Miyezo Yapadziko Lonse
Zitsulo zonse za DH36 ndi EH36 zimaperekedwa ndisakysteelkukwaniritsa zofunikira za bungwe lapadziko lonse lapansi logawa magulu, kutsimikizira kukhazikika ndi kudalirika kwa mapulojekiti apadziko lonse lapansi a panyanja.
Kuyesa ndi Chitsimikizo
Gulu lililonse lambale za sakysteel DH36 ndi EH36amayesedwa mokwanira ndi satifiketi:
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Mayeso Olimba ndi Olimba a Mphamvu
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Mayeso a Charpy Impactpa -20°C ndi -40°C
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Kuyesa kwa Ultrasonic (UT)za zolakwika zamkati
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Kusanthula kwa Mankhwala a Spectrometer
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Kulondola kwa Miyeso ndi Kuyang'anira Kumaliza kwa Pansi
sakysteelamaperekaTS EN 10204 3.1 / 3.2 Zikalata Zoyeserera za Mill, kuonetsetsa kuti zonse zikutsatira komanso kutsatira malamuloABS, DNV, LR, BV, ndi CCSmiyezo.
Ubwino Wopanga ndi Kupanga Zinthu
sakysteelimagwiritsa ntchito zapamwambakukonza koyendetsedwa ndi thermo-mechanical (TMCP)ndi kupukuta molondola kuti apange mbale za DH36 ndi EH36 zokhala ndi kapangidwe ka tirigu wabwino komanso mawonekedwe apamwamba.
Zinthu Zofunika Kwambiri:
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Makulidwe a mbale:5–150 mm
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M'lifupi mpaka3,500 mm
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Kutalika mpaka12,000 mm
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Ntchito zodula ndi kukongoletsa mwamakonda
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Mikhalidwe ya pamwamba:zowomberedwa, zokonzedwa, kapena zophimbidwa
Zinthu zimenezi zimatsimikizira kuti ntchito yake ikuyenda bwino popanga, kuwotcherera, ndi kusonkhanitsa zinthu m'malo opangira zombo ndi m'malo osungiramo zinthu za m'nyanja.
Chifukwa Chake Kulimba Kochepa Kotentha N'kofunika Pa Chitetezo
Masoka a m'nyanja omwe amabwera chifukwa cha kusweka kwa mafupa m'malo ozizira akhala akugogomezera kufunika kwakulimba kwa zotsatiraPopanda kupirira kutentha kotsika, zomangamanga zachitsulo zimatha kulephera mwadzidzidzi chifukwa cha kupsinjika — ngakhale popanda kunyamula katundu wambiri.
Mwa kusungaMakhalidwe apamwamba a CharpyPa kutentha kwapansi pa zero, zitsulo za DH36 ndi EH36 zimateteza kuwonongeka kwakukulu, zimateteza miyoyo, ndikuonetsetsa kutikutsatira malamulo amakono achitetezopa ntchito yomanga za m'nyanja ndi m'nyanja.
Mwachidule,Kukana kutentha pang'ono kumatanthauza ubwino, kudalirika, ndi chitetezoya DH36 ndi EH36 zitsulo zamtundu.
Chifukwa Sankhani sakysteel kwa DH36 ndi EH36 Mbale
Monga wogulitsa wodalirika padziko lonse lapansi,sakysteelamaperekaMapepala achitsulo apamwamba kwambiri a DH36 ndi EH36zomwe zimaphatikiza mphamvu ya makina ndi kulimba kwabwino kwambiri kutentha kochepa. Njira zathu zopangira zapamwamba komanso makina oyendetsera bwino zimaonetsetsa kuti mbale iliyonse ikukwaniritsa zofunikira zapadziko lonse lapansi ndipo imapereka magwiridwe antchito ofanana.
Ubwino wa sakysteel ndi monga:
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Ziphaso kuchokeraABS, LR, DNV, BV, ndi CCS
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Ukadaulo wapamwamba wa TMCP ndi chithandizo cha kutentha
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Kutumiza mwachangu komanso zinthu padziko lonse lapansi
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Kuyang'anira kwa anthu ena (SGS, TUV, BV)
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Mitengo yampikisano komanso ntchito yodalirika yogulitsa pambuyo pogulitsa
Kudzera mu luso lamakono komanso kulondola,sakysteelikupitiriza kupereka zitsulo zomwe zimathandizira kupanga zombo padziko lonse lapansi, mphamvu za m'mphepete mwa nyanja, ndi mafakitale ofufuza zinthu zakuthambo.
Chiyembekezo cha Mtsogolo: Zipangizo Zothandizira Malo Oipa Kwambiri
Pamene kufufuza kukupita patsogolonyanja zozizira komanso madzi akuya, kufunikira kwazitsulo zolimba kwambiri zotentha kwambiriipitiliza kukula. Zipangizo zamakono monga DH36 ndi EH36 zidzakhalabe zofunika kwambiri kwa mbadwo wotsatira wayogwiritsa ntchito mphamvu moyenera, yotha kugwiritsa ntchito mphamvu za Arctic, komanso yosunga chilengedwezombo za m'madzi.
Zochitika zamtsogolo mumicroalloying ndi thermomechanical processingzidzawonjezera kukongola kwawokukana kukhudzana ndi kugwedezeka, kusinthasintha, komanso chitetezo cha dzimbiri, kuthandizira kusintha kwa makampani a m'nyanja kuti agwire ntchito zotetezeka komanso zokhazikika.
Mapeto
Thekukana kutentha kochepaZachitsulo za DH36 ndi EH36 ndiye chinthu chofunikira kwambiri chomwe chimatsimikizira kuti zimagwira ntchito bwino kwambiri m'malo ozizira komanso ovuta a m'nyanja. Kutha kwawo kuyamwa mphamvu ndikupewa kusweka kwa -20°C ndi -40°C kumawapangitsa kukhala ofunikira kwambiri pansanja za m'mphepete mwa nyanja, zombo za polar, zonyamulira za LNG, ndi nyumba zakuya za m'nyanja.
Ndi yapaderamphamvu ya makina, kusinthasintha, ndi kulimba, DH36 ndi EH36 sizimangowonjezera chitetezo ndi magwiridwe antchito komanso zimawonjezera nthawi yogwirira ntchito ya zombo ndi malo osungiramo zinthu zakunja.
Mothandizidwa ndi ziphaso zapadziko lonse lapansi komanso kupanga molondola,sakysteelikupitiliza kupereka mbale zachitsulo za DH36 ndi EH36 zomwe zimatsatira miyezo yapamwamba kwambiri yachitetezo cha m'nyanja, kulimba, ndi kudalirika— kukhazikitsa muyezo watsopano wa khalidwe mu makampani opanga zombo padziko lonse lapansi.
Nthawi yotumizira: Novembala-11-2025