I-ASTM A213 T12(ASME SA213 T12) ipayipi lensimbi elingenamthungo elinomucu ophansi elenzelwe isevisi yokushisa okuphezulu.
Izakhi zayo eziyinhloko zokuhlanganisa yi-0.80–1.25% ye-chromium kanye ne-0.44–0.65% ye-molybdenum, okuyibeka njengensimbi ye-chromium-molybdenum alloy. Isetshenziswa kabanzi ezindaweni ezinokushisa okuphezulu kanye nokucindezela okuphezulu njengama-boiler, ama-superheater, kanye nama-heat exchanger.
Ipayipi le-T12 linamandla okudonseka okungenani angu-415 MPa kanye namandla okukhuphula okungenani angu-220 MPa.
Isikhundla se-UNS saleli banga yi-K11562.
I-Botop Steel ingumthengisi wepayipi lensimbi ye-alloy ochwepheshe futhi othembekile eShayina, okwazi ukuhlinzeka ngokushesha amaphrojekthi akho ngamapayipi ensimbi ye-alloy alloy ahlukene, okuhlanganisaI-T5 (K41545), I-T9 (K90941), I-T11 (K11597), I-T12 (K11562), I-T22 (K21590), futhiI-T91 (K90901).
Imikhiqizo yethu isezingeni elithembekile, inentengo encintisanayo, futhi isekela ukuhlolwa komuntu wesithathu.
Ukuze uthole ama-oda noma ulwazi olwengeziwe, sicela uxhumane nathi namuhla!
Umkhiqizi kanye Nesimo
Amapayipi ensimbi e-ASTM A213 T12 kumele enziwe ngenqubo engenamthungo futhi kufanele aqedwe ngokushisa noma ngokubandayo, njengoba kuchaziwe.
Ukwelashwa Kokushisa
Wonke amapayipi ensimbi e-T12 kufanele aphathwe ngokushisa.
Izindlela zokwelapha ukushisa ezivunyelwe zifaka phakathi i-fukuncibilikisa okungcolile noma okushisayo, ukwenza kube ngokwejwayelekile futhi kube nokulinganiselanomaukufakelwa kwe-subcritical.
| Ibanga | Uhlobo lokwelapha ukushisa | Ukufakwa Kwezinga Elingaphansi Kokubalulekile noma Ukushisa |
| I-ASTM A213 T12 | i-anneal egcwele noma engeyona eyethermal | — |
| ukwenza ngokwejwayelekile kanye nokushisa | — | |
| i-anneal engaphansi kokugxeka | 1200-1350 ℉ [650-730 ℃] |
Kufanele kuqashelwe ukuthi ukwelashwa kokushisa kumele kwenziwe ngokwehlukana futhi ngaphezu kokwakheka okushisayo.
| Ibanga | Ukwakheka, % | ||||||
| C | Mn | P | S | Si | Cr | Mo | |
| T12 | 0.05 ~ 0.15 | 0.30 ~ 0.61 | Ubuningi obungu-0.025 | Ubuningi obungu-0.025 | Umkhawulo ongu-0.50 | 0.80 ~ 1.25 | 0.44 ~ 0.65 |
Kuvunyelwe uku-oda i-T12 enokuqukethwe kwesulfure okuphezulu okungu-0.045. Ukumaka kufanele kufake uhlamvu "S" olulandela ukubizwa kwebanga, njengaku-T12S.
| Izakhiwo Zemishini | I-ASTM A213 T12 | |
| Izidingo Zokunamathela | Amandla Okudonsa | 60 ksi [415 MPa] min |
| Amandla Okukhiqiza | 32 ksi [220 MPa] min | |
| Ukwelulwa ngamasentimitha ama-2 noma ama-50 mm | 30% iminithi | |
| Izidingo Zokuqina | UBrinell/Vickers | 163 HBW / 170 HV ubuningi |
| Rockwell | Ubuningi be-HRB obungu-85 | |
| Ukuhlolwa Kokuthamba | Ukuhlolwa okukodwa kokuthamba kufanele kwenziwe kumasampula avela ekugcineni ngakunye kwepayipi elilodwa eliqediwe, hhayi elisetshenziselwa ukuhlolwa kokufutha, kusuka kuhlu ngalunye. | |
| Ukuhlolwa Kokuvutha | Ukuhlolwa okukodwa kokuvutha kufanele kwenziwe kumasampula avela ekugcineni ngakunye kwepayipi elilodwa eliqediwe, hhayi elisetshenziselwa ukuhlolwa kokusicaba, kusuka kuhlu ngalunye. | |
Ipayipi ngalinye kufanele lihlolwe ngogesi ngendlela engabhubhisi noma ngokuhlolwa kwe-hydrostatic.Uhlobo lokuhlolwa oluzosetshenziswa luzokhethwa ngumenzi, ngaphandle uma kuchazwe ngenye indlela ku-oda lokuthenga.
Izindlela zokuhlola kumele zenziwe ngokuhambisana nezidingo ezifanele zeZigaba 25 no-26 ze-ASTM A1016.
Ubukhulu bamapayipi e-ASTM A213 T12 kanye nobukhulu bodonga ngokuvamile kufakwe ububanzi bangaphakathi obusukela ku-3.2 mm kuya kububanzi bangaphandle obungu-127 mm, kanye nobukhulu bodonga obuncane obusukela ku-0.4 mm kuya ku-12.7 mm.
Amanye amapayipi ensimbi e-T12 nawo anganikezwa, uma nje zonke ezinye izidingo ze-ASTM A213 zihlangatshezwa.
Amashubhu angenamthungo ensimbi ye-ASTM A213 T12 asetshenziswa kakhulu ezindaweni zesevisi ezishisa kakhulu nezinomfutho ophezulu. Izinhlelo zokusebenza ezijwayelekile zifaka phakathi
1. Ama-Superheater nama-Reheater
Kusetshenziswa ezitshalweni zikagesi zamapayipi e-superheater kanye ne-reheater asebenza ngaphansi kwamazinga okushisa aphezulu kanye nokucindezela.
Isetshenziswa kabanzi njengamapayipi e-boiler eziteshini zamandla ezishisayo, kumayunithi okubuyisa udoti nokushisa, kanye nama-boiler ezimboni.
3. Izishintshi Zokushisa
Ifanelekela amapayipi okushintshanisa ukushisa embonini ye-petrochemical kanye neyamakhemikhali ngenxa yokumelana kwayo okuhle nokuqhekeka kanye nokuqina kokushisa.
4. Amapayipi Esithando Somlilo Nesifudumezi
Kufakwe kumakhoyili esithando sokushisa, amashubhu esifudumezi, kanye nama-process heater lapho kudingeka khona ukumelana nokushiswa kwe-oxidation kanye namandla esikhathi eside.
5. Amapayipi Okucindezela Ezitshalweni Zamandla Namakhemikhali
Isetshenziselwa amapayipi okushisa okuphezulu, okuhlanganisa imigqa yomusi kanye nemigqa yokuthutha uketshezi olushisayo.
| I-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 |
Izinto:Amapayipi ensimbi angenamthungo e-ASTM A213 T12 kanye nokufakwa kwawo;
Usayizi:1/8" kuya ku-24", noma ngezifiso ngokwezidingo zakho;
Ubude:Ubude obungahleliwe noma ukusika ngokwe-oda;
Ukupakisha:Ukugqoka okumnyama, iziphetho ezigobile, izivikelo zokuphela kwamapayipi, amabhokisi okhuni, njll.
Ukusekelwa:isitifiketi se-IBR, ukuhlolwa kwe-TPI, i-MTC, ukusika, ukucubungula, kanye nokwenza ngezifiso;
I-MOQ:1 m;
Imigomo Yokukhokha:I-T/T noma i-L/C;
Intengo:Xhumana nathi ukuthola amanani akamuva epayipi lensimbi le-T12.
