ASTM A213 T12(ASME SA213 T12) ke peipi ea tšepe e sa tsitsang e tlase e etselitsoeng tšebeletso ea mocheso o phahameng.
Lintho tsa eona tse ka sehloohong tsa motsoako ke 0.80-1.25% chromium le 0.44-0.65% molybdenum, tse e khethollang e le tšepe ea chromium-molybdenum alloy. E sebelisoa haholo libakeng tse nang le mocheso o phahameng le oa khatello e phahameng joalo ka li-boilers, li-superheaters le li-heaters tsa mocheso.
Pipe ea T12 e na le matla a fokolang a 415 MPa le matla a fokolang a 220 MPa.
Lebitso la UNS bakeng sa sehlopha sena ke K11562.
Botop Steel ke setsebi le morekisi ea ka tšeptjoang oa lipeipi tsa tšepe le morekisi naheng ea China, ea khonang ho fana ka merero ea hau kapele ka liphaephe tse fapaneng tsa tšepe tsa alloy, ho kenyeletsoa.T5 (K41545), T9 (K90941), T11 (K11597), T12 (K11562), T22 (K21590), leT91 (K90901).
Lihlahisoa tsa rona ke tsa boleng bo ka tšeptjoang, li theko e tlaase, 'me li tšehetsa tlhahlobo ea batho ba bang.
Bakeng sa litaelo kapa lintlha tse ling, ka kopo ikopanye le rona kajeno!
Moetsi le Boemo
Liphaephe tsa tšepe tsa ASTM A213 T12 li tla etsoa ka mokhoa o se nang moeli 'me li tla be li chese li felile kapa li bata, joalo ka ha ho boletsoe.
Kalafo ea Mocheso
Liphaephe tsohle tsa tšepe tsa T12 li tla fumana kalafo ea mocheso.
Mekhoa e lumelletsoeng ea kalafo ea mocheso e kenyelletsa fho kokota kapa ho sothermal, normalizing le tempering, kapasubcritical annealing.
| Kereiti | Mofuta oa phekolo ea mocheso | Subcritical Annealing kapa Mocheso |
| ASTM A213 T12 | e tletseng kapa e isothermal | - |
| normalize le bohale | - | |
| subcritical anneal | 1200-1350 ℉ [650-730 ℃] |
Hoa lokela ho hlokomeloa hore phekolo ea mocheso e tlameha ho etsoa ka thoko le ho phaella ho sebopeho se chesang.
| Kereiti | Moetso, % | ||||||
| C | Mn | P | S | Si | Cr | Mo | |
| T12 | 0.05 ~ 0,15 | 0.30 ~ 0,61 | 0.025 boholo | 0.025 boholo | 0.50 max | 0.80 ~ 1,25 | 0.44 ~ 0,65 |
E lumelletsoe ho odara T12 e nang le sebabole se phahameng sa 0.045. Ho tshwaya ho tla kenyelletsa tlhaku "S" ho latela mabitso a sehlopha, joalo ka T12S.
| Thepa ea Mechini | ASTM A213 T12 | |
| Litlhoko tsa Tensile | Matla a tšepe | 60 ksi [415 MPa] mets |
| Kotulo Matla | 32 ksi [220 MPa] mets | |
| Elongation ho 2 in. kapa 50 mm | 30% mets | |
| Litlhoko tse thata | Brinell/Vickers | 163 HBW / 170 HV max |
| Rockwell | 85 HRB boholo | |
| Teko e bataletseng | Teko e le 'ngoe ea ho batalla e tla etsoa ho mehlala ho tloha pheletsong e' ngoe le e 'ngoe ea tube e phethiloeng, eseng e sebelisetsoang tlhahlobo ea ho phatloha, ho tloha lotho ka 'ngoe. | |
| Flaring Test | Teko e le 'ngoe ea ho phatloha e tla etsoa ho mehlala ho tloha pheletsong e 'ngoe le e' ngoe ea tube e felileng, eseng e sebelisetsoang tlhahlobo ea ho bata, ho tsoa lotho ka 'ngoe. | |
Tube e 'ngoe le e' ngoe e tla beoa tekong ea motlakase e sa senyeheng kapa tlhahlobo ea hydrostatic.Mofuta oa teko o tla sebelisoa e tla ba khetho ea moetsi, ntle le haeba ho boletsoe ka tsela e 'ngoe taelong ea theko.
Mekhoa ea tlhahlobo e tla etsoa ho latela litlhoko tse sebetsang tsa Karolo ea 25 le 26 ea ASTM A1016.
ASTM A213 T12 boholo ba li-tubing le botenya ba lebota hangata li entsoe ka bophara ba ka hare ho tloha ho 3.2 mm ho ea ho bophara ba ka ntle ba 127 mm, le botenya ba lebota bo fokolang ho tloha ho 0.4 mm ho ea ho 12.7 mm.
Mefuta e meng ea liphaephe tsa tšepe tsa T12 le tsona li ka fanoa, ha feela litlhoko tse ling tsohle tsa ASTM A213 li finyelloa.
Li-tubes tsa ASTM A213 T12 tsa tšepe tse se nang seamless li sebelisoa haholo maemong a mocheso o phahameng le khatello e phahameng ea khatello. Lisebelisoa tse tloaelehileng li kenyelletsa
1. Li-Superheaters le Reheaters
E sebelisoa lifemeng tsa motlakase bakeng sa li-superheater le li-tubes tse futhumatsang tse sebetsang tlas'a mocheso o phahameng le likhatello.
E sebelisoa haholo joalo ka li-tubes tsa boiler liteisheneng tsa motlakase oa mocheso, likarolo tsa ho khutlisa mocheso oa litšila, le liboiler tsa indasteri.
3. Lichelete tsa Mocheso
E loketse bakeng sa li-tubing tsa mocheso oa mocheso indastering ea petrochemical le ea lik'hemik'hale ka lebaka la ho hanyetsa ha eona hantle le ho tsitsisa ha mocheso.
4. Li-tubes tsa Sebōpi le Heater
E kentsoe ka har'a li-coil tsa sebōpi sa ho hloekisa, li-tubes tse futhumatsang, le li-heaters moo ho hanyetsanang le oxidation le matla a nako e telele a hlokahalang.
5. Khatello ea Liphaephe ka Matla le Limela tsa Petrochemical
E sebelisoa bakeng sa liphaephe tsa mocheso o phahameng, ho kenyeletsoa lithapo tsa mouoane le lipalangoang tsa mokelikeli o chesang.
| ASME | ASTM | EN | GB | JIS |
| ASME SA213 T12 | ASTM A335 P12 | EN 10216-2 13CrMo4-5 | GB/T 5310 15CrMoG | JIS G 3462 STBA22 |
Boitsebiso:ASTM A213 T12 liphaephe tsa tšepe tse se nang moeli le lisebelisoa;
Boholo:1/8" ho isa ho 24", kapa e hlophisitsoeng ho latela litlhoko tsa hau;
Bolelele:Bolelele bo sa reroang kapa sehiloeng ho laela;
Sephutheloana:Ho roala ho ntšo, lipheletso tse betliloeng, litšireletseho tsa liphaephe, mabokose a lehong, jj.
Tšehetso:Setifikeiti sa IBR, tlhahlobo ea TPI, MTC, ho itšeha, ho sebetsa le ho e etsa;
MOQ:1 m;
Melao ea Tefo:T/T kapa L/C;
Theko:Ikopanye le rona bakeng sa litheko tsa morao-rao tsa lipeipi tsa tšepe tsa T12.
