ASTM A335 P9, e tsejoang hape e le ASME SA335 P9, ke phala ea tšepe e se nang seamless ferritic alloy bakeng sa ts'ebeletso e phahameng ea mocheso leUNS No. K90941.
Likarolo tsa motsoako ke haholo-holo chromium le molybdenum.Likahare tsa chromium li tloha ho 8.00 - 10.00%, ha litaba tsa molybdenum li le lipakeng tsa 0.90% - 1.10%.
P9e na le matla a babatsehang le e thibelang kutu e ntle maemong a mocheso o phahameng 'me e sebelisoa haholo ho liboilers, lisebelisoa tsa petrochemical, le liteishene tsa motlakase moo ho hlokahalang maemo a phahameng a mocheso le khatello e phahameng.
⇒ BoitsebisoTlhaloso: ASTM A335 P9 / ASME SA335 P9 e se nang seamless tšepe e kopantsoeng le pipe ea tšepe.
⇒Ka ntle bophara: 1/8"- 24".
⇒Botenya ba lebota: Litlhoko tsa ASME B36.10.
⇒Kemiso: SCH10, SCH20, SCH30, SCH40, SCH60, SCH80, SCH100, SCH120, SCH140 le SCH160.
⇒Boitsebiso: STD (e tloaelehileng), XS (e matla haholo), kapa XXS (habeli ho feta-matla).
⇒Bolelele: Bolelele bo itseng kapa bo sa reroang.
⇒Boikemisetso: Bophara ba ka ntle bo sa tloaelehang, botenya ba lerako, bolelele, joalo-joalo ho ea ka litlhoko.
⇒Lisebelisoa: Re ka fana ka li-bends tse tšoanang, li-stamping flanges, le lihlahisoa tse ling tsa tšepe tse tšehetsang lipeipi.
⇒Setifikeiti sa IBR: Setifikeiti sa IBR se ka fanoa ha se hlokahala.
⇒QETA: Qetello e hlakileng, pheletso e kobehileng, kapa pheletso e kopaneng ea liphaephe.
⇒Ho paka: mokotla oa lepolanka, lebanta la tšepe kapa terata ea tšepe e pakang, mosireletsi oa ho qetela oa phala ea polasetiki kapa ea tšepe.
⇒Lipalangoang: ka sekepe kapa sefofane.
Pipe ea tšepe ea ASTM A335 e tlameha ho ba e sa tsitsang.
Seamless tšepe pipe ke phala ea tšepe e se nang li-welds hohle.
Kaha phala ea tšepe e se nang seamless ha e na seams e cheselitsoeng sebopeho sa eona, e qoba likotsi tse ka bang teng tsa polokeho tse ka amahanngoang le litaba tsa boleng ba weld.Tšobotsi ena e lumella phala e se nang moeli hore e mamelle likhatello tse phahameng, 'me sebopeho sa eona sa ka hare se ts'oanang se tiisa ho ts'epahala le polokeho ea phala libakeng tse phahameng tsa khatello.
Ntle le moo, ho ts'epahala ha li-tubing tsa ASTM A335 ho matlafatsoa ke ho eketsoa ha likarolo tse khethehileng tsa alloying bakeng sa maemo a phahameng a mocheso le khatello e phahameng.
Mefuta ea liphekolo tsa mocheso tse fumanehang bakeng sa thepa ea P9 e kenyelletsa annealing e felletseng kapa ea isothermal, hammoho le ho tloaeleha le ho futhumatsa.Mokhoa oa ho tloaeleha le oa ho futhumatsa o na le mocheso o batang oa 1250°F [675°C].
Lintlha tse ka sehloohong tsa motsoako oa P9 keCrleMo, e leng metsoako ea chromium-molybdenum.
Cr (Chromium): Joaloka ntho e ka sehloohong ea motsoako, Cr e fana ka matla a phahameng a mocheso le ho hanyetsa oxidation.E etsa filimi e teteaneng ea chromium oxide holim'a tšepe, e eketsa botsitso le ho hanyetsa ha phala ka mocheso o phahameng.
Mo (Molybdenum): Ho eketsoa ha Mo ho ntlafatsa haholo matla le ho tiea ha li-alloys, haholo-holo libakeng tse phahameng tsa mocheso.Mo e boetse e thusa ho ntlafatsa matla a ho thella a thepa, ke hore, bokhoni ba ho hanela deformation tlas'a ho pepesehela mocheso nako e telele.
Tensile Properties
P5, P5b, P5c, P9,P11, P15, P21, le P22: Matla a tensile le chai a tšoana.
P1, P2, P5, P5b, P5c,P9, P11, P12, P15, P21, le P22: Elongation e tšoanang.
ALetlapa la 5 le fana ka litekanyetso tse baloang.
Moo botenya ba lebota bo leng teng pakeng tsa boleng ba bobeli bo kaholimo, boleng bo tlase ba bolelele bo khethoa ke foromo e latelang:
Longitudinal, P9: E = 48t + 15.00 [E = 1.87t + 15.00]
Transverse, P9: E = 32t + 15.00 [E = 1.25t + 15.00]
moo:
E = bolelele ho 2 in. kapa 50 mm, %,
t = botenya ba sebele ba mehlala, ka. [mm].
Ho thatafala
P9 ha e hloke tlhahlobo ea boima.
P1, P2, P5, P5b, P5c, P9, P11, P12, P15, P21, P22, le P921: Ha ho na teko ea boima bo hlokahalang.
Ha bophara ba ka ntle bo> 10 in. [250 mm] le botenya ba lebota ≤ 0.75 in. [19 mm], tsohle li tla hlahlojoa ka hydrostatically.
Khatello ea liteko e ka baloa ho sebelisoa equation e latelang.
P = 2St/D
P= khatello ea teko ea hydrostatic ho psi [MPa];
S= khatello ea lerako la pipe ka psi kapa [MPa];
t= botenya ba lebota bo boletsoeng, botenya ba lebota ka lebitso ho latela nomoro ea kemiso ea ANSI e boletsoeng kapa makhetlo a 1.143 ho feta botenya ba lebota bo boletsoeng, ho. [mm];
D= e boletsoeng ka ntle ho bophara ba bophara, bophara bo ka ntle bo tsamaellanang le boholo bo boletsoeng ba phaephe ea ANSI, kapa bophara bo ka ntle bo baloang ka ho eketsa 2t (joalokaha ho hlalositsoe ka holimo) ho bophara bo boletsoeng ka hare, ho. [mm].
Nako ea teko: boloka bonyane 5s, ha ho na ho lutla.
Ha phala e sa lokela ho hlahlojoa ke metsi, tlhahlobo e sa senyeheng e tla etsoa phala e 'ngoe le e' ngoe ho bona mefokolo.
Teko e sa senyeheng ea thepa ea P9 e lokela ho etsoa ke e 'ngoe ea mekhoaE213, E309 or E570.
E213: Itloaetse Tlhahlobo ea Ultrasonic ea Metal Pipe le Tubing;
E309: Itloaetse ho Eddy Tlhahlobo ea Hona Joale ea Lihlahisoa tsa Steel Tubular Ho Sebelisa Magnetic Saturation;
E570: Itloaetse bakeng sa Tlhahlobo ea Flux Leakage ea Ferromagnetic Steel Tubular Products;
Phapang e lumelletsoeng ka Diameter
Ho kheloha ha bophara ho ka aroloa ho ea ka 1. ho itšetlehile ka bophara bo ka hare kapa 2. ho itšetlehile ka bophara ba lebitso kapa ka ntle.
1. Bophara ba ka hare: ± 1%.
2. NPS [DN] kapa bophara bo ka ntle: Sena se lumellana le likhaello tse lumelletsoeng tafoleng e ka tlase.
Phapang e Dumelletseng Botenya ba Lerako
Botenya ba lerako la phala sebakeng leha e le sefe bo ke ke ba feta mamello e boletsoeng.
Botenya ba lebota bo tlase le bophara ba kantle bakeng sa tlhahlobo bakeng sa ho latela tlhoko ena ea phaephe e laetsoeng ke NPS [DN] le nomoro ea kemiso e bonts'itsoeng hoASME B36.10M.
Likahare tsa ho tšoaea: Lebitso la moetsi kapa letšoao la khoebo;nomoro e tloaelehileng;kereiti;bolelele le letšoao le eketsehileng "S".
Matšoao a khatello ea hydrostatic le liteko tse sa senyeheng tafoleng e ka tlase le tsona li lokela ho kenyelletsoa.
Sebaka sa ho tšoaea: Ho tšoaea ho lokela ho qala ka lisenthimithara tse 12 (300 mm) ho tloha qetellong ea phala.
Bakeng sa liphaephe tse fihlang ho NPS 2 kapa tse ka tlase ho 3 ft (1 m) ka bolelele, letšoao la tlhahisoleseling le ka hokelloa tag.
Pipe ea tšepe ea ASTM A335 P9 e sebelisoa haholo ho li-boilers, liteishene tsa motlakase tsa lisebelisoa tsa petrochemical, joalo-joalo, tse hlokang ho mamella mocheso o phahameng le khatello e phahameng ka lebaka la mocheso o phahameng o phahameng le ho hanyetsa khatello e phahameng.
Li-boilers: Haholo-holo liphaepheng tse kholo tsa mouoane le liphaephe tse futhumatsang tsa liboilers tsa supercritical le ultra-supercritical bakeng sa mocheso o phahameng haholo le likhatello.
Lisebelisoa tsa Petrochemical: Tse kang liphaephe tsa cracker le liphaephe tse nang le mocheso o phahameng, tse sebetsanang le mouoane o phahameng oa mocheso le lik'hemik'hale, li hloka lisebelisoa tse nang le mocheso o motle haholo le ho hanyetsa kutu.
Liteishene tsa motlakase: Bakeng sa liphaephe tse kholo tsa mouoane le li-heaters tse phahameng tsa khatello, hammoho le liphaephe tsa turbine tse ka hare ho sebetsana ka katleho le nako e telele ea mocheso o phahameng le khatello.
Lisebelisoa tsa P9 li na le limaraka tsa tsona tse tloaelehileng litsamaisong tse fapaneng tsa maemo a naha.
EN 10216-2: 10CrMo9-10;
GB/T 5310: 12Cr2Mo;
JIS G3462: STBA 26;
ISO 9329: 12CrMo195;
GOST 550: 12ChM;
Pele o khetha thepa efe kapa efe e lekanang, ho khothaletsoa hore papiso e felletseng ea ts'ebetso le liteko li etsoe ho netefatsa hore lisebelisoa tse ling li tla fihlela litlhoko tsa moralo oa mantlha.
Ho tloha ha e thehoa ka 2014,Botop Steele fetohile morekisi ea ka sehloohong oa pipe ea tšepe ea carbon e ka Leboea ea Chaena, e tsejoang ka tšebeletso e babatsehang, lihlahisoa tsa boleng bo phahameng, le litharollo tse pharaletseng.
Khampani e fana ka mefuta e sa tšoaneng ea liphaephe tsa tšepe ea carbon le lihlahisoa tse amanang le tsona, tse kenyelletsang seamless, ERW, LSAW, le phala ea tšepe ea SSAW, hammoho le lethathamo le feletseng la liphaephe le li-flanges.Lihlahisoa tsa eona tse khethehileng li boetse li kenyelletsa li-alloys tsa boemo bo phahameng le litšepe tse sa hloekang tsa austenitic, tse etselitsoeng ho finyella litlhoko tsa merero e fapaneng ea liphaephe.
Ka kopo ikutloe u lokolohile ho ikopanya le rona haeba u na le litlhoko kapa lipotso mabapi le li-tubing tsa tšepe.Re labalabela ho fumana lintlha tsa hau mme re labalabela ho u thusa.
