ASTM A213 T12(ASME SA213 T12) ke phaephe ya tshepe e se nang motswako e nang le motswako o tlase e etseditsweng tshebeletso ya mocheso o phahameng.
Dikarolo tsa yona tsa mantlha tsa ho kopanya ke 0.80–1.25% ya chromium le 0.44–0.65% ya molybdenum, tse e arolang e le tshepe ya alloy ya chromium-molybdenum. E sebediswa haholo dibakeng tse nang le mocheso o phahameng le kgatello e phahameng jwalo ka diboiler, di-superheater le di-heat exchanger.
Phaephe ea T12 e na le matla a ho thaepa a bonyane 415 MPa le matla a ho hlahisa a bonyane 220 MPa.
Tlhophiso ea UNS bakeng sa sehlopha sena ke K11562.
Botop Steel ke morekisi oa liphaephe tsa tšepe ea alloy ea setsebi le ea tšepahalang Chaena, ea khonang ho fana ka merero ea hau ka lipeipi tse fapaneng tsa tšepe ea alloy kapele, ho kenyeletsoaT5 (K41545), T9 (K90941), T11 (K11597), T12 (K11562), T22 (K21590)leT91 (K90901).
Lihlahisoa tsa rona li boleng bo tšepahalang, li theko e tlase, 'me li tšehetsa tlhahlobo ea motho oa boraro.
Bakeng sa liodara kapa tlhahisoleseling e batsi, ka kopo ikopanye le rona kajeno!
Moetsi le Boemo
Liphaephe tsa tšepe tsa ASTM A213 T12 li lokela ho etsoa ka mokhoa o se nang sekoli 'me li lokela ho phethoa ka mocheso kapa ka serame, joalo ka ha ho boletsoe.
Kalafo ea Mocheso
Liphaephe tsohle tsa tšepe tsa T12 li tla phekoloa ka mocheso.
Mekhoa e lumelletsoeng ea kalafo ea mocheso e kenyelletsa fho tjhesa ha metsi ho sa tjheseng kapa ho sa tjheseng, ho normalizing le ho temperaturakapaho annealing ka tsela e sa lokelang.
| Sehlopha | Mofuta oa phekolo ea mocheso | Ho Hlophisoa ha Mocheso kapa Mocheso o sa Bonahaleng |
| ASTM A213 T12 | anneal e felletseng kapa e sa fetoheng mochesong | — |
| tloaeleha le ho halefa | — | |
| anneal e nyenyane | 1200-1350 ℉ [650-730 ℃] |
Ho lokela ho hlokomeloa hore kalafo ea mocheso e tlameha ho etsoa ka thoko le ho phaella ho etseng mocheso.
| Sehlopha | Sebopeho, % | ||||||
| C | Mn | P | S | Si | Cr | Mo | |
| T12 | 0.05 ~ 0.15 | 0.30 ~ 0.61 | 0.025 max | 0.025 max | 0.50 max | 0.80 ~ 1.25 | 0.44 ~ 0.65 |
Hoa lumelloa ho odara T12 e nang le sebabole se phahameng ka ho fetisisa sa 0.045. Letšoao le tla kenyelletsa tlhaku "S" e latelang lebitso la sehlopha, joalo ka ho T12S.
| Matlotlo a Mekaniki | ASTM A213 T12 | |
| Litlhoko tsa Tensile | Matla a tšepe | 60 ksi [415 MPa] mets |
| Matla a Tekanyo | 32 ksi [220 MPa] mets | |
| Ho lelefatsa ka lisenthimithara tse 2 kapa 50 mm | 30% metsotso | |
| Litlhoko tsa ho thatafala | Brinell/Vickers | 163 HBW / 170 HV max |
| Rockwell | 85 HRB max | |
| Teko ea ho Batalatsa | Teko e le 'ngoe ea ho batalatsa e tla etsoa lisampoleng tse tsoang pheletsong e 'ngoe le e 'ngoe ea phaephe e le 'ngoe e felileng, eseng e sebelisitsoeng bakeng sa teko ea ho betla, ho tsoa karolong e 'ngoe le e 'ngoe. | |
| Teko ea ho Chesa | Teko e le 'ngoe ea ho tjhesa e lokela ho etsoa lisampoleng tse tsoang pheletsong e 'ngoe le e 'ngoe ea phaephe e le 'ngoe e felileng, eseng e sebelisitsoeng bakeng sa teko ea ho tjhesa, ho tsoa karolong e 'ngoe le e 'ngoe. | |
Phaephe e 'ngoe le e 'ngoe e tla etsoa teko ea motlakase e sa senyeheng kapa teko ea hydrostatic.Mofuta oa teko o tla sebelisoa o tla ba ka khetho ea moetsi, ntle le haeba ho boletsoe ka tsela e 'ngoe odareng ea theko.
Mekhoa ea liteko e tla etsoa ho latela litlhoko tse sebetsang tsa Karolo ea 25 le ea 26 ea ASTM A1016.
Boholo ba liphaephe tsa ASTM A213 T12 le botenya ba mabota hangata li na le bophara ba kahare ho tloha ho 3.2 mm ho isa ho bophara ba kantle ba 127 mm, le botenya ba bonyane ba mabota ho tloha ho 0.4 mm ho isa ho 12.7 mm.
Boholo bo bong ba liphaephe tsa tšepe tsa T12 le bona bo ka fanoa, ha feela litlhoko tse ling tsohle tsa ASTM A213 li fihlellehile.
Li-tube tse se nang mohele tsa tšepe ea alloy ea ASTM A213 T12 li sebelisoa haholo-holo libakeng tsa litšebeletso tsa mocheso o phahameng le khatello e phahameng.
1. Li-Superheater le Li-Reheater
E sebelisoa lifemeng tsa motlakase bakeng sa liphaephe tsa superheater le reheater tse sebetsang tlas'a mocheso le khatello e phahameng.
E sebelisoa haholo e le liphaephe tsa boiler liteisheneng tsa motlakase oa mocheso, li-unit tsa ho khutlisa mocheso o litšila le li-boiler tsa indasteri.
3. Li-exchange tsa mocheso
E loketse liphaephe tsa phapanyetsano ea mocheso indastering ea petrochemical le ea lik'hemik'hale ka lebaka la ho hanyetsa ha eona ho hotle le botsitso ba mocheso.
4. Liphaephe tsa Sebōpi le tsa Heater
E kentsoe ka har'a likhoele tsa onto ea fektheri ea ho hloekisa, liphaephe tsa hitara, le li-heater tsa ts'ebetso moo ho hlokahalang khanyetso ea oxidation le matla a nako e telele.
5. Liphaephe tsa Khatello ho Matla le Dimela tsa Petrochemical
E sebelisoa bakeng sa liphaephe tse nang le mocheso o phahameng, ho kenyeletsoa le lithapo tsa mouoane le lithapo tsa ho tsamaisa metsi a 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:Liphaephe le lisebelisoa tsa tšepe tse se nang mohele tsa ASTM A213 T12;
Boholo:1/8" ho isa ho 24", kapa e etselitsoe ho latela litlhoko tsa hau;
Bolelele:Bolelele bo sa reroang kapa sehiloeng ho latela odara;
Sephutheloana:Sekoahelo se setšo, lipheletso tse betliloeng, litšireletso tsa pheletso ea liphaephe, mabokose a lehong, jj.
Tšehetso:Setifikeiti sa IBR, tlhahlobo ea TPI, MTC, ho seha, ho sebetsana le eona le ho e etsa ka tsela e ikhethileng;
MOQ:1 m;
Melao ea Tefo:T/T kapa L/C;
Theko:Ikopanye le rona bakeng sa litheko tsa morao-rao tsa liphaephe tsa tšepe tsa T12.
