Hobaneng AH36, DH36, le EH36 li Khethehile bakeng sa Litšebeliso tsa Marine tse Matla a Phahameng

Kereiti ea Tšepe	Matla a Tlhahiso (MPa)	Matla a ho Tenyetseha (MPa)	Mocheso oa Teko ea Tšusumetso	Kopo
AH36	355	490–620	0°C	Likepe tse akaretsang le li-deck
DH36	355	490–620	-20°C	Meaho ea lebopong la leoatle le ho pepesehela metsi a batang a leoatle
EH36	355	490–620	-40°C	Maemo a Arctic, likepe tse tebileng tsa leoatle le tsa polar

Sehlopha se seng le se seng se fana kamatla a tlhahiso ea 355 MPalematla a ho thapolla ho fihlela ho 620 MPa, ho netefatsa ho hanyetsa ho hoholo ho feto-fetoha le ho hloleha ha thepa tlas'a mojaro o boima.

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Sebopeho sa Lik'hemik'hale

Sebopeho sa motsoako oa AH36, DH36, le EH36 se entsoe ka hloko ho leka-lekanyamatla, ho tjheseletsa, le ho hanyetsa ho bola.

Sebopeho se Tloaelehileng sa Lik'hemik'hale (%):

• Khabone (C):≤ 0.18

• Manganese (Mn):0.90–1.60

• Silicone (Si):0.10–0.50

• Fosforase (P):≤ 0.035

• Sebabole (S):≤ 0.035

• Niobium (Nb), Vanadium (V), Titanium (Ti):≤ 0.10

Ho eketsoa ha likarolo tse nyane tse kopanyang tse kang niobium le vanadium ho ntlafatsa boholo ba lijo-thollo, ho ntlafatsa bobeli ba tsonaho ba thata le matlaKhemistri ena e laoloang e netefatsa hore litšepe li sebetsa ka mokhoa o tšepahalang esita le tlas'a maemo a boima ka ho fetisisa a leoatle.

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Matlotlo a Bohlokoa a Mekaniki

Mekhahlelo eohle e meraro e entsoe ho fihlelamotsoako o motle oa matla a chai e ngata, matla a ho thapolla le ho se tsitse ha eona.

• Matla a Tlhahiso:≥ 355 MPa

• Matla a tšepe:490–620 MPa

• Ho lelefatsa (ka 50 mm):≥ 21%

• Matla a Tšusumetso ea Charpy:

  • AH36: E lekiloe ho 0°C

  • DH36: E lekiloe ho -20°C

  • EH36: E lekiloe ho -40°C

Matlotlo ana a etsa hore AH36, DH36, le EH36 e be thepa e kgethwang bakeng salits'ebetso tsa likepe tse matla haholotse tlamehang ho mamella maoatle a befileng le meroalo e feteletseng.

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Hobaneng AH36, DH36, le EH36 li Ratoa Indastering ea Metsing

1. Karolelano e Phahameng ea Matla ho ea ho Boima

E 'ngoe ea melemo ea mantlha ea limaraka tsena ke tsa bonamatla a phahameng hammoho le boima bo fokotsehilengSena se dumella baetsi ba dikepe ho rala dikepe tse bobebe ntle le ho beha polokeho kotsing. Sephetho ke horetšebeliso e ntlafetseng ea mafura, bokhoni bo boholo ba ho jara mojaro, le phokotso ea mesi e kotsi, ho lumellana le lipheo tsa sejoale-joale tsa botsitso ba likepe.

2. Ho tiea ho babatsehang ha mocheso o tlase

Likepe tse sebetsang libakeng tse batang kapa metsing a polar li hloka thepa e bolokang ho tiea mochesong o ka tlase ho lefela. DH36 le EH36, haholo-holo, li lekoa bakeng sa ho hanyetsa tšusumetso ho-20°C le -40°C, ho netefatsaho se sebetse hantle le ho hanyetsa mapetsoesita le libakeng tse leqhoa.

3. Khanyetso e Ikhethang ea ho Silafala

Metsi a letsoai le mongobo li potlakisa ho bola, e leng se ka behang botsitso ba sebopeho sa sekepe kotsing. Sebopeho sa lik'hemik'hale sa AH36, DH36, le EH36 se fana kaho hanyetsa mafome le oksijene ka tsela e phahameng, ho atolosa bophelo ba tšebeletso ea likepe le ho fokotsa litšenyehelo tsa tlhokomelo.

4. Ho Weldability e Ikhethang le Bonolo ba Tlhahiso

Litšepe tsena li bontša bokhabaneho tjheseletsa ntle le ho futhumatsa esale pele, ka lebaka la boleng ba tsona bo tlase ba khabone e lekanang (CEV). Li ka tjheselletsoa ka ho sebelisaSMAW, GMAW, kapa SAWmekhoa ntle le ho beha matla kapa tshebetso ya sebopeho kotsing. Sena se etsa hore di lokele haholo bakeng sa tlhahiso ya dikepe tse kgolo.

5. Ho Hanela Mokhathala le ho Thothomela

Likepe tsa metsing li tobana le tsona kamehlakhatello ea potoloho e bakoang ke maqhubu, motsamao oa thepa, le ho thothomela ha ho tsamaisoa ha thepa. Litšepe tsa AH36, DH36, le EH36 li na le matla a phahameng a mokhathala, li thusa ho thibela ho petsoha ho honyenyane le ho netefatsa ho tšoarella ha nako e telele maemong a thata a ts'ebeletso.

6. Boleng bo Tiisitsoeng le ho Latela Melao ea Lefatše

Mekhahlelo eohle e meraro e amohetsoe ke mekhatlo e meholo ea ho arola:

• ABS (Lefapha la Amerika la ho Romela Likepe)

• Ngoliso ea Lloyd (LR)

• Det Norske Veritas (DNV)

• Ofisi ea Veritas (BV)

• Mokhatlo oa Tlhophiso ea Chaena (CCS)

Sena se netefatsa hore lipoleiti tsa tšepe li fanoa kesakysteelho fihlela litlhoko tsa polokeho le ts'ebetso tsa machaba bakeng sa kaho ea likepe le boenjiniere ba leoatleng.

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Likopo tsa Meaho ea Leoatle e Matla a Phahameng

1. Kaho ea Likepe tsa Likepe

Lipoleiti tsa AH36 le DH36 li sebelisoa haholo homeaho ea sekepe, di-deck, le diforeimi tsa dikepe tsa thepa, ditanka tsa ditanka, le dikepe tsa dikonteinara. Matla a tsona a thusa ho mamella kgatello ya maqhubu le meroalo ya tshusumetso ntle le ho fetoha.

2. Liforomo tsa Oli le Khase tsa Maoatle

Tšepe ea EH36, ka ho tiea ha eona ho phahameng maemong a mocheso a tlase, e loketse bakeng samechine ea ho cheka ea leoatleng, polokelo ea tlhahiso e phaphametseng le li-unit tsa ho lata le ho theola thepa (FPSO)leLi-platform tsa ka tlas'a leoatletse sebetsang libakeng tse thata tsa leoatle.

3. Likepe tsa LNG le tsa Polar

Lipoleiti tsa tšepe tsa EH36 li boloka botsitso bo botle haholomaemo a cryogenic, e leng se etsang hore li lokelebajari ba khase ea tlhaho e metsi (LNG), likepe tse pshatlang leqhoa, le likepe tsa maeto tsa Arctic.

4. Dikopo tsa Sesole sa Metsing le tsa Tshireletso

Ka lebaka la motsoako oa matla a tsona, moralo o bobebe, le ho hanyetsa ho thulana, litšepe tsena li sebelisoa haholo holikepe tsa ntoa tsa metsing, likepe tsa paterole, le likepe tsa tšireletso, ho netefatsa hore ntoa e loketse hantle le hore e ka tsamauoa habonolo.

5. Meralo ea Motheo ea Moea le ea Leoatle e Lebōpong la Leoatle

AH36, DH36, le EH36 le tsona lia sebelisoa hoMetheo ea turbine ea moea e tsoang lebopong la leoatle, litsamaiso tsa ho hokela, le liforeimi tsa tšehetso, moo li fanang ka khanyetso ea nako e telele khahlanong le mokhathala le mafome tlas'a maemo a leoatle a fetohang.

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Litšobotsi tsa Ts'ebetso le Tlhahiso

1. Ho Rolla ho Chesang le TMCP (Ts'ebetso e Laoloang ke Thermo-Mechanical):
   Litšepe tsena li etsoa ka TMCP, li hlahisa meaho e menyenyane e nang le lithollo tse ntle e ntlafatsang matla le ho tjheseletsa.

2. Sebopeho:
   Ho ductility e babatsehang ea AH36, DH36, le EH36 ho lumella ho kobeha le ho bopeha habonolo ntle le ho petsoha kapa ho bokellana ha khatello ea ka hare.

3. Ho Seha le ho Machining:
   E tsamaisana le mekhoa ea ho seha ea plasma, oxy-fuel, le laser, e netefatsang ho nepahala le ho sotha mocheso hanyane.

4. Kalafo ea Bokaholimo:
   Lipoleiti li ka fanoa kae thunngoeng ka ho thunngoa, e foreime, kapa e koahetsoengliphetho ho eketsa ho hanyetsa mafome nakong ea lipalangoang le polokelo.

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Teko le Setifikeiti

sakysteele netefatsa hore poleiti e 'ngoe le e 'ngoe ea AH36, DH36, le EH36 e etsoa liteko tse matla pele e tlisoa:

• Tlhahlobo ea Sebopeho sa Lik'hemik'hale(spectrometry)

• Liteko tsa Matla a Tenyetsehang le Tekanyo ea ho Lelefatsa

• Liteko tsa Tšusumetso ea Charpy V-Notchka mocheso o boletsoeng

• Teko ea Ultrasonic (UT)bakeng sa mefokolo ea ka hare

• Tlhahlobo ea Litekanyo le Bokaholimo

Lihlahisoa tsohle li tlisoa kaEN 10204 3.2 Setifikeiti sa Teko sa Mill, e tiisang ho latela maemo a machaba le ditlhoko tsa ho hlopha.

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Melemo ea ho Khetha Sakysteel Marine Steels

Jwalo ka moetsi wa profeshenale le morekisi wa ditshipi tsa lewatle le tsa lewatle,sakysteele fana ka boleng ba sehlahisoa bo sa bapisoeng le tšehetso ea bareki:

• Mefuta e felletseng eabotenya (5–150 mm)lebophara (ho fihlela ho 3,500 mm)

• Setifikeiti se tsoang hoABS, LR, DNV, BV, le CCS

• Litekanyo tse ikhethileng le lits'ebeletso tsa ho seha

• Phano e potlakileng ka sephutheloana se loketseng ho sesa leoatleng

• Marangrang a phepelo ea lefats'e bakeng sa libaka tsa likepe le merero ea kantle ho naha

Kasakysteel, bareki ba ka itšetleha ka lipoleiti tsa tšepe tsa AH36, DH36, le EH36 tsa boleng bo holimo tse fihlelang litlhoko tse hlokoang haholo tsa ts'ebetso le polokeho ea indasteri ea likepe ea lefats'e.

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Mekhoa ea Nakong e Tlang Litšebelisong tsa Tšepe ea Marine

Bokamoso ba kaho ea likepe le boenjiniere ba leoatleng bo ntse bo ntlafatsoa ke tsoelo-pele hothepa e bobebe, e bolokang matla, le e tšoarellang nako e teleleHa likepe li ntse li hola le ho ikhethela haholoanyane, tlhoko ealitšepe tse nang le motsoako o tlaase tse matla haholojoalo ka AH36, DH36, le EH36 li ntse li eketseha.

Lisebelisoa tse hlahang li kenyelletsa:

• Likepe tsa ho tsamaisa tse kopantsoengho hloka thepa ea sekepe e ntlafalitsoeng ka boima

• Liforomo tsa merafo le lipatlisiso tsa leoatle le tebilenge hahetsoe maemo a tebileng haholo

• Mahlale a ho romela thepa ka tsela e tala, moo litšepe tse sa senyeheng mafome li fokotsang tlhokomelo le mesi e kotsi

Tlhahiso e tswelang pele ts'ebetsong ya tshepe — jwalo kaho phutholla le ho etsa di-microalloy ka thermo-mechanical— e netefatsa hore maemo ana a tla dula a le ka pele ho boenjiniere ba lewatle ka mashome a dilemo a tlang.

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Qetello

Kahong ea likepe ea sejoale-joale le boenjiniere ba leoatleng, tekano pakeng tsamatla, polokeho le ts'ebetsoke habohlokoa.Lipoleiti tsa tšepe tsa AH36, DH36, le EH36ba fumane botumo ba bona e le thepa e ratoang bakeng salits'ebetso tsa likepe tse matla haholo, e fanang ka ho tiea ho ikhethang, ho hanyetsa mafome, le ho khona ho tjheseletsa tikolohong tsohle.

Ho tloha likepeng tsa thepa tsa khoebo le likepeng tsa oli ho ea likepeng tsa lipatlisiso tsa polar le liforomo tsa leoatleng, litšepe tsena li netefatsa ho tšepahala le ho tšoarella moo ho hloleha e seng khetho.

E tšehetsoa ke mangolo a tumello a lefats'e ka bophara, tlhahiso e nepahetseng, le boiphihlelo ba lilemo tse mashome ba tšepe,sakysteele ntse e tsoela pele ho fana ka lipoleiti tsa kaho ea likepe tsa AH36, DH36, le EH36 tse behang maemo a boleng bo holimo ba likepe tsa leoatleng. Ha lefats'e la likepe le ntse le hatela pele ho ea ts'ebetsong e sireletsehileng, e hloekileng le e sebetsang hantle, litšepe tsena tse matla li ntse li le motheo oa ho haha ​​likepe le meaho ea leoatleng ea nakong e tlang.