Iipropati eziphambili kunye neenzuzo zeepleyiti zentsimbi zokwakha iinqanawa ze-AH36, DH36, kunye ne-EH36

Ibanga	Amandla Okunciphisa Isivuno (MPa)	Uvavanyo loBushushu lweMpembelelo	Izicelo eziqhelekileyo
AH36	355	0°C	Iinqanawa kunye needekhi eziqhelekileyo
DH36	355	-20°C	Amaqonga aselunxwemeni, izakhiwo zeenqanawa ezivezwe emanzini abandayo
I-EH36	355	-40°C	Iinqanawa zeArctic, iinqanawa ze-LNG, kunye nezakhiwo zaselwandle olunzulu

Onke amanqanaba amathathu ayafanaukwakheka kweekhemikhali kunye namandla okuxinana, kodwa i-EH36 inomgangatho ophezulu wokuqina, nto leyo eyenza ukuba ifaneleke kwiindawo ezixineneyo.

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Ukwakhiwa kweekhemikhali ze-AH36, DH36, kunye ne-EH36

Ikhemistri elinganisiweyo ngononophelo yale migangatho yentsimbi inika umxube ogqibeleleyo weamandla, ukuguquguquka, kunye nokumelana nokugqwala.

Ulwakhiwo oluqhelekileyo lweeKhemikhali (%):

• Ikhabhoni (C):≤ 0.18

• IManganese (Mn):0.90–1.60

• I-Silicon (Si):0.10–0.50

• I-Phosphorus (P):≤ 0.035

• I-Sulfur (S):≤ 0.035

• I-Niobium (Nb), iVanadium (V), iTitanium (Ti):≤ 0.10 (izinto ezincinci zokongeza amandla)

I-Micro-alloying ene-Nb, V, kunye ne-Ti inceda ekuphuculeni ulwakhiwo lwentsimbi, iphucula kakhulu ukusebenza kwayo koomatshini kunye nokuqina kwayo.

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Iipropati zoomatshini

Inzuzo ephambili yeentsimbi ze-AH36, DH36, kunye ne-EH36 ikwizinga eliphezulu lazo.amandla oomatshinikwayeukomelela phantsi kwemithwalo enamandla.

Iimpawu eziqhelekileyo zoomatshini:

• Unikeze Amandla:≥ 355 MPa

• Tensile strength:490–620 MPa

• Ubude (kwi-50 mm):≥ 21%

• Amandla eCharpy V-Notch Impact:

  • I-AH36: ivavanyiwe kwi-0°C

  • I-DH36: ivavanyiwe kwi -20°C

  • I-EH36: ivavanyiwe kwi -40°C

Ezi mpawu ziqinisekisa ukuba iinqanawa kunye nezinto ezakhiweyo ziyakwazi ukuhlala ixesha elideukugoba okunzima, ukungcangcazela, kunye namandla okubethangelixa sigcina ukuthembeka kwiindawo ezibandayo nezinobuthi emanzini olwandle.

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Iimpawu eziphambili kunye neenzuzo

1. Umlinganiselo oPhakamileyo wamandla ukuya kubunzima

Iintsimbi ze-AH36, DH36, kunye ne-EH36 zinika amandla aphezulu kakhulu xa kuthelekiswa neentsimbi zekhabhoni eziqhelekileyo, nto leyo evumela abakhi beenqanawa ukuba bayileikhaphukhaphu kodwa inamandla ngakumbiOku kuphumela ekukhuleni komthamo womthwalo kunye nokusebenza kakuhle kwepetroli.

2. Ukuqina Okugqwesileyo Kumaqondo Obushushu Aphantsi

Nangona i-AH36 isebenza kakuhle kwiindawo ezinemozulu ephakathi, i-DH36 kunye ne-EH36 ziyaphumelela kakhuluiimeko ezingaphantsi kwezero, ezenza zibe zilungeleIinqanawa zaseArctic, amaqonga aselunxwemeni, kunye neenqwelo ze-LNGapho intsimbi kufuneka ihlale ithambile nokuba ikwi--40°C.

3. Ukumelana nokugqwala okuphezulu

Ukwakheka kweekhemikhali kwezi ntsimbi, kunye neengubo ezikhethiweyo okanye ukhuseleko lwe-galvanic, kuqinisekisaukumelana nokugqwala kwamanzi olwandle, i-oxidation, kunye nokugqwala, ukwandisa ubomi benkonzo yesikhephe.

4. Ukudityaniswa okugqwesileyo

Ezi greyidi zinokudityaniswa ngokulula kusetyenziswa iindlela eziqhelekileyo ezifanaI-MIG, i-TIG, kunye ne-submerged arc welding (SAW)ngaphandle kokufudumeza kwangaphambili. Oku kuqinisekisa ukwenziwa nokulungiswa okusebenzayo kwiindawo zokubeka iinqanawa.

5. Ukudinwa Okugqwesileyo kunye nokumelana nempembelelo

Izakhiwo zaselwandle zifumana imijikelo yoxinzelelo oluqhubekayo ngenxa yamaza, imithwalo yemithwalo, kunye nokungcangcazela kwenjini. Iintsimbi ze-AH36, DH36, kunye ne-EH36 zibonelelaamandla okudinwa angaqhelekangakwayeukuchasana nokungaphumeleli kwempembelelophantsi kweemeko zokulayisha eziphindaphindayo.

6. Umgangatho ofanayo kunye nokuchaneka kobukhulu

Iveliswe ngokulawulwa kokuqengqeleka kunye nokucutshungulwa kwe-thermomechanical,i-sakysteel'sIipleyiti ze-AH36, DH36, kunye ne-EH36 zibonisa ubukhulu obufanayo, ulwakhiwo oluhle lweenkozo, kunye nokuba tyaba okuphezulu, okuqinisekisa ukulingana nokusebenza ngokugqibeleleyo ngexesha lokuhlanganiswa.

7. Ukuthobela iMibutho yoHlelo lwaMazwe ngaMazwe

Onke amabakala ayahambelana neemfuno:

• I-ABS (i-American Bureau of Shipping)

• Irejista kaLloyd (LR)

• I-Det Norske Veritas (DNV)

• I-Bureau Veritas (BV)

• Umbutho woHlelo lwaseTshayina (CCS)

• UGermanischer Lloyd (GL)

Ezi ziqinisekiso ziqinisekisa ukulandeleka ngokupheleleyo kunye nokuthembeka kwiiprojekthi zokwakha zaselwandle zehlabathi.

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Ukusetyenziswa kweePlates zeNsimbi ze-AH36, DH36, kunye ne-EH36

1. Iinqanawa kunye nezakhiwo zeDekhi

Amandla aphezulu e-AH36 kunye ne-DH36 awenza alungele ukusetyenziswaiinqanawa, ii-bulkheads, kunye neenxalenye zedekhi, ukuqinisekisa ukuthembeka kwesakhiwo phantsi kwemithwalo yolwandle enamandla.

2. Amaqonga aselunxwemeni

Iipleyiti ze-EH36 zisetyenziswa kakhulu kwiizixhobo zeoyile zaselwandle, iiyunithi zokugcina nokukhupha ioyile ezidadayo (FPSO), kunye nezakhiwo ezingaphantsi kolwandle, apho impembelelo kunye nokumelana nokugqwala kubalulekile.

3. IiTanki zeMithwalo neoyile

Ukukwazi ukumelana nokugqwala nokudinwa kuqinisekisa ukuthuthwa ngokukhuselekileyo kweoyile, igesi kunye neekhemikhali kumgama omde.

4. Iinqanawa ze-LNG kunye neenqanawa ze-Cryogenic

I-EH36 ikhethwa kakhulu kwiiindawo ezibangela ukurhawuzelelwa, ukugcina ukuqina nokuba kumaqondo obushushu aphantsi kakhulu ngexesha lokugcina nokudlulisa i-LNG.

5. Iinqanawa zoMkhosi waseLwandle nezoKhuselo

Ukudibanisa amandla aphezulu kunye neempawu ezikhaphukhaphu kwenza ezi ntsimbi zilungele ukusetyenziswaiinqanawa zomkhosi, iinqanawa zokulinda, kunye neenqwelo-moya ezithwala amanzi emanzini, apho ukusebenza kunye nokukhawuleza kubalulekile.

6. Izixhobo zaselwandle kunye neenxalenye zesakhiwo

Ngaphaya kwee-hulls, kusetyenziswa iintsimbi ezingama-316 kunye ne-DH36iikhreyini, ii-winches, iinkqubo zokubopha, kunye nezakhiwo ezingaphantsi, apho amandla kunye nokumelana nokugqwala kubalulekile.

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Iimpawu zokucubungula kunye nokuvelisa

1. Ukuqengqeleka kunye noNyango lobushushu
Yenziwe nguukuqengqeleka okulawulwayokwayeukwenza kube semgangathweniIipleyiti zentsimbi ze-AH36, DH36, kunye ne-EH36 zifezekisa ulungelelwaniso oluphezulu phakathi kwamandla kunye nokuguquguquka. Ezinye zisenokudlulaukucutshungulwa okulawulwa yi-thermomechanical (TMCP)ukuze kuphuculwe ukusebenza.

2. Ukusika nokuYila
Iintsimbi zibonakala zibalaseleyoubuchule kunye nobuchule, okuvumela ukusika iplasma, ilaser, okanye i-oxy-fuel ngaphandle kokuqhekeka okanye ukuguqulwa komphetho.

3. Ukuhambelana kweWelding
Onke amabanga amathathu ayabonisaumgangatho ophezulu wokuweldangomngcipheko omncinci wokuqhekeka, okususa isidingo sokufudumeza kwangaphambili okanye unyango olubizayo emva kokuwelda.

4. Unyango Lomphezulu
Iipleyiti zingafumaneka kwiidutyulwe, ipeyintwe, okanye ipeyintweimeko yokuhlangabezana neemfuno ezithile zabathengi zokukhusela ukugqwala.

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Uvavanyo kunye neSatifikethi

Ukuqinisekisa ukusebenza komgangatho ophezulu,i-sakysteelyenza ulawulo olupheleleyo lomgangatho kunye novavanyo kwibhetshi nganye yeepleyiti ze-AH36, DH36, kunye ne-EH36:

• Uvavanyo lokuThathaukuze ufumane isivuno namandla okugqibela

• Uvavanyo lweCharpy Impactukuqina kobushushu obuphantsi

• Uvavanyo lwe-Ultrasonic (UT)kwiziphene zangaphakathi

• Ukuhlolwa koBume kunye noBuphezuluukuchaneka kunye nokuthamba

• Uhlalutyo lweeKhemikhali (iSpectrometer)ukuqinisekisa ukwakheka

Zonke iimveliso zihamba kunyeIziqinisekiso zovavanyo lweMill (EN 10204 3.2 okanye 3.1), ebonelela ngokulandelelwa ngokupheleleyo kunye nokuhambelana nemigangatho yamazwe ngamazwe.

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Kutheni Khetha i-sakysteel kwi-Marine Steel Solutions

At i-sakysteel, sigxile ekuveliseni nasekuboneleleni ngeentsimbi zokwakha iinqanawa ezisebenza kakuhle ezihlangabezana nemigangatho yolwandle ebaluleke kakhulu kwihlabathi. Iipleyiti zethu ze-AH36, DH36, kunye ne-EH36 zenziwe kusetyenziswaubuchwepheshe be-hot rolling kunye ne-TMCP obuphezulu, ukuqinisekisa ukuba iipropati zoomatshini kunye nokugqwala ziphezulu.

i-sakysteelibonelela:

• Uluhlu olupheleleyo lobungakanani: ubukhulu 5–150 mm, ububanzi buya kuthi ga kwi-3,500 mm, ubude buya kuthi ga kwi-12,000 mm

• Iinkonzo zokusika nezenziwe ngokwezifiso

• Iziqinisekiso zehlabathi (i-ABS, i-LR, i-DNV, i-BV, i-CCS, i-GL)

• Ukuhanjiswa okukhawulezayo kunye nokupakishwa kwamanye amazwe kufanelekile ukuthuthwa kolwandle

• Inkxaso yobugcisa ezinikeleyo kwiindawo zokusebenzela iinqanawa kunye nezicelo zaselunxwemeni

Ngokuzibophelela kwethu kumgangatho, ngokuchanekileyo, kunye nenkonzo,i-sakysteelinceda abakhi beenqanawa kunye nabakhi beenkampani zaselwandle ukuphucula ukusebenza kwesakhiwo ngelixa inciphisa iindleko zokulungisa kunye nexesha lokungasebenzi kweprojekthi.

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Imbono Yekamva: Iintsimbi Ezinamandla Aphezulu Ekwakhiweni Kweenqanawa Zanamhlanje

Njengoko iindlela zokwakha iinqanawa zehlabathi zisiya phambiliiinqanawa ezisebenzisa amandla kancinci, ezikhaphukhaphu, nezinobuhlobo nokusingqongileyo, iintsimbi ezinamandla aphezulu ezifana ne-AH36, i-DH36, kunye ne-EH36 ziya zisiba zibaluleke ngakumbi. Zivumela ukwakhiwa kweenqanawa ezinkulu nezisebenzisa ipetroli kakuhle ngaphandle kokubeka emngciphekweni amandla okanye ukhuseleko.

Ukongeza, ngokukhula kweamandla omoya olwandle kunye nokuhlola ulwandle olunzulu, imfuno yeentsimbi ze-EH36-grade — ezikwaziyo ukumelana namaqondo obushushu aphantsi kunye noxinzelelo lwamanzi anzulu — kulindeleke ukuba inyuke.

Uphando oluqhubekayo kwi-metallurgy kunye neendlela ezilawulwayo zokuqengqeleka luya kuphucula ngakumbi iimpawu zeentsimbi zaselwandle, ukuqinisekisa ukuba ziyahlangabezana neemfuno zozinzo kunye nokusebenza kwixesha elizayo.

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Isiphelo

Kwimizi-mveliso yaselwandle yanamhlanje neyaselwandle, ukuthembeka kwezinto ezibonakalayo kuchazwa ukhuseleko kunye nokusebenza kakuhle.Iipleyiti zentsimbi zokwakha iinqanawa ze-AH36, DH36, kunye ne-EH36Zimi njengeemilinganiselo zeentsimbi ezinamandla aphezulu, ezimelana nokugqwala, nezinokudityaniswa ezisetyenziswa kwiindawo zaselwandle. Iipropati zazo ezibalaseleyo zoomatshini, ukuqina kobushushu obuphantsi, kunye nokuqina kwexesha elide zenza ukuba zibe zezona zinto zisetyenziswa kakhulu kwiinqanawa zeenqanawa, amaqonga aselunxwemeni, kunye neenqanawa ezikhethekileyo.

Ngeziqinisekiso zehlabathi, umgangatho ohambelanayo, kunye nokusebenza okuqinisekisiweyo, la manqanaba aqinisekisa ukuthembeka kwesakhiwo kunye nobude bexesha elide naphantsi kweemeko ezinzima zolwandle. Ixhaswa yitekhnoloji yokuvelisa ephucukileyo kunye nolawulo oluqinileyo lomgangatho,i-sakysteeliyaqhubeka nokubonelela ngeepleyiti zokwakha iinqanawa ze-AH36, DH36, kunye ne-EH36 ezikumgangatho wehlabathi — inceda abathengi bakhe iinqanawa ezomeleleyo, ezikhuselekileyo, nezizinzileyo ngakumbi kwixesha elizayo lokuthuthwa kweenqanawa zaselwandle kwihlabathi liphela.