I-ASTM A213 T12(I-ASME SA213 T12) iyipayipi lensimbi engenamthungo enengxubevange ephansi eklanyelwe isevisi yezinga lokushisa eliphezulu.
Izakhi zayo eziyinhloko ze-alloying ziyi-chromium engu-0.80–1.25% kanye ne-0.44–0.65% ye-molybdenum, eziyihlukanisa njengensimbi ye-chromium-molybdenum alloy. Isetshenziswa kabanzi ezindaweni ezishisa kakhulu nezinomfutho ophezulu njengama-boilers, ama-superheaters, nama-heaters.
Ipayipi le-T12 linamandla amancane okudonsa angama-415 MPa kanye namandla esivuno amancane angama-220 MPa.
Igama le-UNS laleli banga lithi K11562.
I-Botop Steel iyisitoko sepayipi yensimbi ye-alloy esezingeni eliphezulu futhi ethembekile e-China, ekwazi ukuhlinzeka ngokushesha amaphrojekthi akho ngezigaba ezahlukahlukene zamapayipi ensimbi, okuhlanganisa.I-T5 (K41545), I-T9 (K90941), I-T11 (K11597), I-T12 (K11562), I-T22 (K21590), futhiI-T91 (K90901).
Imikhiqizo yethu ingeyekhwalithi ethembekile, inenani elincintisanayo, futhi isekela ukuhlolwa komuntu wesithathu.
Ukuze uthole ama-oda noma ulwazi olwengeziwe, sicela usithinte namuhla!
Umkhiqizi kanye Nesimo
Amapayipi ensimbi e-ASTM A213 T12 azokwenziwa ngenqubo engenamthungo futhi azoba aqedwe ukushisa noma abandayo, njengoba kucacisiwe.
Ukwelashwa Kokushisa
Wonke amapayipi ensimbi e-T12 azophathwa ngokushisa.
Izindlela ezivumelekile zokwelapha ukushisa zihlanganisa full noma isothermal annealing, normalizing kanye nokushisa, nomaannealing subcritical.
| Ibanga | Uhlobo lokuphatha ukushisa | I-Subcritical Annealing noma Izinga lokushisa |
| I-ASTM A213 T12 | umgodi ogcwele noma we-isothermal | - |
| normalize futhi uthukuthele | - | |
| i-subcritical anneal | 1200-1350 ℉ [650-730 ℃] |
Kumele kuqashelwe ukuthi ukwelashwa kokushisa kufanele kwenziwe ngokwehlukana futhi ngaphezu kokwakhiwa okushisayo.
| Ibanga | Ukwakhiwa, % | ||||||
| C | Mn | P | S | Si | Cr | Mo | |
| T12 | 0.05 ~ 0.15 | 0.30 ~ 0.61 | 0.025 ubuningi | 0.025 ubuningi | 0.50 ubuningi | 0.80 ~ 1.25 | 0.44 ~ 0.65 |
Kuvumelekile uku-oda i-T12 enokuqukethwe okuphezulu kwesibabule okungu-0.045. Ukumakwa kuzobandakanya uhlamvu "S" olulandela ukuqokwa kwebanga, njengaku-T12S.
| Izakhiwo Zemishini | I-ASTM A213 T12 | |
| Izidingo ze-Tensile | Amandla Okuqina | 60 ksi [415 MPa] imiz |
| Isivuno Amandla | 32 ksi [220 MPa] min | |
| Ukwelula ku-2 in. noma 50 mm | 30% min | |
| Izimfuneko Zobulukhuni | Brinell/Vickers | 163 HBW / 170 HV ubuningi |
| Rockwell | 85 HRB ubuningi | |
| Ukuhlola Ukucaba | Ukuhlolwa kokucaba okukodwa kuzokwenziwa kuma-specimens kusukela ekugcineni kweshubhu elilodwa eliqediwe, hhayi lelo elisetshenziselwa ukuhlola ukuvutha, kuqashi ngalinye. | |
| Ukuhlola Okuvuthayo | Ukuhlolwa kokuvutha okukodwa kuzokwenziwa kuma-specimens kusukela ekugcineni kweshubhu elilodwa eliqediwe, hhayi lelo elisetshenziselwa ukuhlolwa kokucaba, kuqashi ngalinye. | |
Ishubhu ngalinye lizohlolwa ngogesi elingabhubhisi noma lihlolwe i-hydrostatic.Uhlobo lokuhlola oluzosetshenziswa luzoba ngokokuzikhethela komkhiqizi, ngaphandle kwalapho kucaciswe ngenye indlela kuhlelo lokuthenga.
Izindlela zokuhlola zizokwenziwa ngokuhambisana nezidingo ezisebenzayo zeSigaba 25 no-26 se-ASTM A1016.
I-ASTM A213 T12 osayizi bamashubhu nobukhulu bodonga kuvame ukuhlinzekwa ngobubanzi bangaphakathi obusuka ku-3.2 mm kuya kububanzi obungaphandle obungu-127 mm, nobukhulu obuncane bodonga busuka ku-0.4 mm ukuya ku-12.7 mm.
Abanye osayizi bamapayipi ensimbi we-T12 nawo angahlinzekwa, inqobo nje uma zonke ezinye izidingo ze-ASTM A213 zihlangatshezwana nazo.
Amashubhu angenamthungo ensimbi ye-ASTM A213 T12 asetshenziswa ngokuyinhloko ezindaweni ezinezinga lokushisa eliphezulu nezinengcindezi ephezulu. Izinhlelo zokusebenza ezijwayelekile zihlanganisa
1. Ama-Superheaters nama-Reheaters
Isetshenziswa ezitshalweni zamandla ku-superheater kanye namashubhu okushisa asebenza ngaphansi kwamazinga okushisa aphakeme nezingcindezi.
Kusetshenziswa kakhulu njengamashubhu obhayela eziteshini zamandla ashisayo, amayunithi okuthola ukushisa kwemfucuza, namabhayela wezimboni.
3. Izishintshi Zokushisa
Ifanele amashubhu okushintshanisa ukushisa ezimbonini ze-petrochemical kanye namakhemikhali ngenxa yokumelana nokunyakazisa kwayo okuhle kanye nokuzinza kokushisa.
4. Isithando somlilo kanye namashubhu okushisa
Kufakwe kumakhoyili esithandweni sokuhluza, amashubhu okufudumeza, nezifudumezi zokucubungula lapho kudingeka ukumelana ne-oxidation namandla esikhathi eside.
5. I-Pressure Piping in Power and Petrochemical Plants
Isetshenziselwa amapayipi okushisa okuphezulu, okuhlanganisa imigqa yesitimu nemigqa yokuthutha uketshezi olushisayo.
| ASME | I-ASTM | EN | GB | I-JIS |
| I-ASME SA213 T12 | I-ASTM A335 P12 | I-EN 10216-2 13CrMo4-5 | I-GB/T 5310 15CrMoG | I-JIS G 3462 STBA22 |
Okubalulekile:I-ASTM A213 T12 amapayipi ensimbi angenamthungo nokufakwa;
Usayizi:1/8" kuya ku-24", noma ngokwezifiso ngokwezidingo zakho;
Ubude:Ubude obungahleliwe noma ukusika ukuze u-oda;
Ukupakishwa:Ukugqoka okumnyama, iziphetho eziboshwe, izivikeli zokuphela kwamapayipi, amakhreyithi enziwe ngokhuni, njll.
Ukusekela:Isitifiketi se-IBR, ukuhlolwa kwe-TPI, i-MTC, ukusika, ukucubungula, nokwenza ngokwezifiso;
I-MOQ:1 m;
Imigomo Yokukhokha:T/T noma L/C;
Inani:Xhumana nathi ukuze uthole amanani wakamuva wepayipi lensimbi le-T12.
