I-ASTM A269 316 / 316L I-tubing yensimbi engenasici edibeneyo

Kwizicelo ezibango ezivezwe kulwelo oludlekayo olufana namanzi olwandle kunye nezisombululo zekhemikhali, iinjineli ngokwesiko ziye zajika kwi-valence nickel alloys efana ne-Alloy 625 njengokhetho olumiselweyo.U-Rodrigo Signorelli uchaza ukuba kutheni i-nitrogen alloys ephezulu iyindlela yoqoqosho kunye nokuphuculwa kokuxhathisa ukubola.

I-ASTM A269 316 / 316L I-tubing yensimbi engenasici edibeneyo

Inkcazelo & neGama:insimbi engenastainless ityhubhu ebhijelweyo yolawulo lwe-oyile ye-hydraulic okanye ukuhanjiswa kolwelo

Umgangatho:ASTM A269, A213, A312, A511, A789, A790, A376, EN 10216-5, EN 10297,DIN 17456, DIN 17458, JISG3459, JIS GS3463, 8, 9 GOISST, 9 GOISST 9 GO4677
Izinto:TP304/304L/304H, 316/316L, 321/321H, 317/317L, 347/347H, 309S, 310S, 2205, 2507, 904L (1.4301, 4, 4, 4, 1.4. 04, 1.4571, 1.4541, 1.4833, 1.4878, 1.4550, 1.4462, 1.4438, 1.4845)
Uluhlu lobungakanani:OD:1/4″ (6.25mm) ukuya ku-1 1/2″ (38.1mm), WT 0.02″ (0.5mm) ukuya ku-0.065″ (1.65mm)
Ubude:50 m ~ 2000 m, ngokwesicelo sakho
Iyaqhuba:Ukutsalwa ngokubanda, Ukuqengqeleka okubandayo, Ukuchaneka kuqengqeleke kuMbhobho ongenamthungo okanye iThubhu
Gqiba:I-Annealed & pickled, i-annealing eqaqambileyo, ikhazimlisiwe
Iphela:Beveled okanye plain end, square cut, burr free, Plastic Cap kuzo zombini eziphelweni

I-Stainless Steel Coiled Tubes Ukuqulunqwa kwemichiza

Umgangatho kunye nesatifikethi sinquma ukukhethwa kwezinto eziphathekayo kwiinkqubo ezifana ne-plate heat exchangers (PHEs), iipayipi kunye neepompo kwishishini leoli kunye negesi.Iinkcukacha zobugcisa ziqinisekisa ukuba ii-asethi zibonelela ngokuqhubekeka kweenkqubo kumjikelo wobomi obude ngelixa ziqinisekisa umgangatho, ukhuseleko kunye nokukhuselwa kokusingqongileyo.Yingakho abaninzi abaqhubi bebandakanya i-nickel alloys njenge-Alloy 625 kwiinkcukacha zabo kunye nemigangatho.
Okwangoku, nangona kunjalo, iinjineli zinyanzelekile ukuba zinciphise iindleko ze-capital, kunye ne-nickel alloys zibiza kwaye zisengozini yokunyuka kwamaxabiso.Oku kwagxininiswa ngoMatshi ka-2022 xa amaxabiso e-nickel aphindwe kabini ngeveki ngenxa yorhwebo lwemarike, ukwenza izihloko.Ngelixa amaxabiso aphezulu athetha ukuba ii-alloys ze-nickel zibiza kakhulu ukuzisebenzisa, oku kuguquguquka kudala imingeni yolawulo kwiinjineli zoyilo njengoko utshintsho lwamaxabiso ngequbuliso lunokuthi lube nefuthe kwingeniso ngesiquphe.
Ngenxa yoko, iinjineli ezininzi zokuyila ngoku zikulungele ukutshintsha i-Alloy 625 ngezinye iindlela nangona besazi ukuba banokuthembela kumgangatho wayo.Into ephambili kukuchonga i-alloy efanelekileyo kunye nenqanaba elifanelekileyo lokumelana nokugqwala kwiinkqubo zamanzi olwandle kunye nokubonelela nge-alloy ehambelana neempawu zomatshini.
Enye imathiriyeli efanelekileyo yi-EN 1.4652, ekwabizwa ngokuba yi-Outokumpu's Ultra 654 SMO.Ithathwa njengeyona ntsimbi ixhaphakileyo engatyiwa ngumhlwa ehlabathini.
I-Nickel Alloy 625 iqulethe ubuncinane i-nickel ye-58%, ngelixa i-Ultra 654 iqulethe i-22%.Zombini ziphantse zibe nomxholo ofanayo we-chromium kunye ne-molybdenum.Ngelo xesha, i-Ultra 654 SMO iqulethe inani elincinci le-nitrogen, i-manganese kunye nobhedu, i-alloy ye-625 iqulethe i-niobium kunye ne-titanium, kwaye ixabiso layo liphezulu kakhulu kune-nickel.
Kwangaxeshanye, imele ukuphucuka okuphawulekayo ngaphezu kwe-316L yensimbi engenasici, edla ngokuthathwa njengesiqalo sokusebenza okuphezulu kweentsimbi ezingenasici.
Ngokubhekiselele ekusebenzeni, i-alloy inokumelana okuhle kakhulu kwi-corrosion jikelele, ukuchasana okuphezulu kakhulu kwi-pitting kunye ne-crevice corrosion, kunye nokumelana kakuhle noxinzelelo lwe-corrosion cracking.Nangona kunjalo, xa kuziwa kwiinkqubo zamanzi olwandle, i-alloy yensimbi engenasici inomda we-alloy 625 ngenxa yokumelana kwayo okuphezulu kwe-chloride.
Amanzi olwandle awonakalise kakhulu ngenxa yetyuwa yawo ye-18,000 ukuya kwi-30,000 inxalenye kwisigidi se-ion ze-chloride.Iikloridi zinika umngcipheko wokubola kweekhemikhali kumabakala amaninzi entsimbi.Nangona kunjalo, izinto eziphilayo emanzini olwandle zinokwenza ii-biofilms ezibangela ukuphendulwa kwe-electrochemical kunye nokuchaphazela ukusebenza.
Ngomxholo wayo ophantsi we-nickel kunye ne-molybdenum, i-Ultra 654 SMO ingxubevange ye-alloy ihambisa ugcino lweendleko ezibalulekileyo kwinkcazo yemveli ephezulu ye-625 alloy ngelixa igcina inqanaba elifanayo lokusebenza.Oku ngokuqhelekileyo konga i-30-40% yeendleko.
Ukongezelela, ngokunciphisa umxholo wezinto ezixabisekileyo ze-alloying, isinyithi esingenasici sinciphisa umngcipheko wokuguquguquka kwimarike ye-nickel.Ngenxa yoko, abavelisi banokuzithemba ngakumbi ngokuchaneka kweziphakamiso zabo zoyilo kunye neengcaphuno.
Iipropathi zoomatshini zemathiriyeli yenye into ebalulekileyo kwiinjineli.Imibhobho, izitshintshi zobushushu, kunye nezinye iinkqubo kufuneka zimelane noxinzelelo oluphezulu, amaqondo obushushu aguquguqukayo, kwaye ngokufuthi ukungcangcazela komatshini okanye ukothuka.I-Ultra 654 SMO ibekwe kakuhle kule ndawo.Inamandla aphezulu afana ne-alloy 625 kwaye iphezulu kakhulu kunezinye iintsimbi ezingenasici.
Ngelo xesha, abavelisi badinga izinto eziphathekayo kunye ne-weldable ezibonelela ngemveliso ngokukhawuleza kwaye zifumaneka ngokukhawuleza kwifom yemveliso efunwayo.
Kule nkalo, le ngxubevange lukhetho olufanelekileyo kuba igcina ukumila kakuhle kunye nokwandiswa okulungileyo kwamabakala e-austenitic emveli, okwenza ukuba ilungele ukwenza iipleyiti zokutshintsha ubushushu eziqinileyo, ezikhaphukhaphu.
Ikwane-weldability elungileyo kwaye ifumaneka ngeendlela ezahlukeneyo ezibandakanya iikhoyili kunye namaphepha ukuya kuthi ga kwi-1000mm ububanzi kunye no-0.5 ukuya kwi-3mm okanye 4 ukuya kwi-6mm ubukhulu.
Enye inzuzo yeendleko kukuba i-alloy inoxinano oluphantsi kune-alloy 625 (8.0 vs. 8.5 kg / dm3).Nangona lo mahluko ungabonakali ubalulekile, unciphisa i-tonnage nge-6%, enokukongela imali eninzi xa uthenga ngobuninzi kwiiprojekthi ezifana nemibhobho ye-trunk.
Ngesi siseko, ukuxinana okuphantsi kuthetha ukuba isakhiwo esigqityiweyo siya kuba lula, okwenza kube lula ukulungelelanisa, ukuphakamisa kunye nokufaka.Oku kuluncedo ngakumbi kwizicelo ezingaphantsi kolwandle nakwi-offshore apho iinkqubo ezinzima zinzima kakhulu ukuphatha.
Ukuqwalasela zonke iimpawu kunye neenzuzo ze-Ultra 654 SMO - ukuxhathisa okuphezulu kwe-corrosion kunye namandla omatshini, ukuzinza kweendleko kunye nokucwangciswa okuchanekileyo - ngokucacileyo kunamandla okuba yinto ekhuphisanayo ngakumbi kwi-nickel alloys.