I-ASTM A213 T9, eyaziwa nangokuthi i-ASME SA213 T9, iyi-alloy ephansiipayipi lensimbi elingenamthungoisetshenziselwa ama-boiler, ama-superheater, kanye nama-heat exchanger.
I-T9 iyi-alloy ye-chromium-molybdenum equkethe i-chromium engu-8.00–10.00% kanye ne-molybdenum engu-0.90–1.10%. Inamandla okudonseka okungenani angu-415 MPa kanye namandla okukhiqiza okungenani angu-205 MPa. Ngamandla ayo amahle kakhulu okushisa okuphezulu, ukumelana nokushiswa kwe-oxidation, kanye nokumelana nokukhukhuleka, i-T9 isebenza ngokuthembeka ngaphansi kwezimo zokusebenza zokushisa okuphezulu kanye nokucindezela okuphezulu.
Njengomhlinzeki wepayipi lensimbi ye-alloy ochwepheshe kanye nomthengisi ngobuningi eShayina,Insimbi yeBotopingahlinzeka ngokushesha ngamapayipi ensimbi e-T9 ahlukahlukene kumaphrojekthi akho, ngekhwalithi ethembekile namanani ancintisanayo.
Umkhiqizo onikezwe i-ASTM A213 kufanele uhambisane nezidingo ze-Specification ASTM A1016, kufaka phakathi noma yiziphi izidingo ezengeziwe eziboniswe ku-oda lokuthenga.
I-ASTM A1016: Imininingwane Ejwayelekile Yezidingo Ezijwayelekile Zensimbi Ye-Ferritic Alloy, Insimbi Ye-Austenitic Alloy, kanye Namashubhu Ensimbi Engagqwali
Umkhiqizi kanye Nesimo
Amapayipi ensimbi e-ASTM A213 T9 kumele enziwe ngenqubo engenamthungo futhi kufanele aqedwe ngokushisa noma ngokubandayo, njengoba kuchaziwe.
Ukwelashwa Kokushisa
Amapayipi ensimbi e-T9 kufanele aphinde afudunyezwe ukuze kulungiswe ukushisa ngokwezindlela ezilandelayo, futhi ukwelashwa kokushisa kufanele kwenziwe ngokwehlukana futhi ngaphezu kokushisa ukuze kulungiswe ukushisa.
| Ibanga | Uhlobo lokwelapha ukushisa | Ukufakwa Kwezinga Elingaphansi Kokubalulekile noma Ukushisa |
| I-ASTM A213 T9 | i-anneal egcwele noma engeyona eyethermal | — |
| ukwenza ngokwejwayelekile kanye nokushisa | 1250 ℉ [675 ℃] iminithi |
| Ibanga | Ukwakheka, % | ||||||
| C | Mn | P | S | Si | Cr | Mo | |
| T9 | Ubuningi obungu-0.15 | 0.30 - 0.60 | Ubuningi obungu-0.025 | Ubuningi obungu-0.025 | 0.25 - 1.00 | 8.00 - 10.00 | 0.90 - 1.10 |
Izakhiwo ze-ASTM A213 T9 zingaqinisekiswa ngokuhlolwa kokudonswa, ukuhlolwa kobulukhuni, ukuhlolwa kokusicaba, kanye nokuhlolwa kokufutha.
| Izakhiwo Zemishini | I-ASTM A213 T9 | |
| Izidingo Zokunamathela | Amandla Okudonsa | 60 ksi [415 MPa] min |
| Amandla Okukhiqiza | 30 ksi [205 MPa] min | |
| Ukwelulwa ngamasentimitha ama-2 noma ama-50 mm | 30% iminithi | |
| Izidingo Zokuqina | UBrinell/Vickers | 179 HBW / 190 HV ubuningi |
| Rockwell | Ubuningi be-HRB obungu-89 | |
| 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. | |
Izidingo zesakhiwo semishini azisebenzi kumapayipi amancane kuno-1/8 intshi [3.2 mm] ububanzi bangaphakathi noma amancane kuno-0.015 intshi [0.4 mm] ubukhulu.
Ububanzi Bobukhulu
Ubukhulu bamapayipi e-ASTM A213 T9 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-T9 nawo anganikezwa, uma nje zonke ezinye izidingo ze-ASTM A213 zihlangatshezwa.
Ukubekezelelana Kokujiya Kodonga
Ukubekezelela ukujiya kodonga kufanele kunqunywe ngokusekelwe ezimweni ezimbili ezilandelayo: ukuthi i-oda lichazwe ngokuya ngokujiya kodonga okuncane noma ukujiya kodonga okumaphakathi.
1.Ubukhulu bodonga obuncane: Kuzohambisana nezidingo ezifanele zeSigaba 9 se-ASTM A1016.
| Ububanzi bangaphandle ngaphakathi.[mm] | Ubukhulu Bodonga, ngo-[mm] | |||
| 0.095 [2.4] nangaphansi | Ngaphezu kuka-0.095 kuya ku-0.150 [2.4 kuya ku-3.8], kufaka phakathi | Ngaphezu kuka-0.150 kuya ku-0.180 [3.8 kuya ku-4.6], kufaka phakathi | Ngaphezu kuka-0.180 [4.6] | |
| Amapayipi Angenamthungo Aqediwe Ngokushisayo | ||||
| 4 [100] nangaphansi | 0 - +40% | 0 - +35% | 0 - +33% | 0 - +28% |
| Ngaphezulu kuka-4 [100] | — | 0 - +35% | 0 - +33% | 0 - +28% |
| Amapayipi Angenamthungo Aqediwe Ngokubandayo | ||||
| 1 1/2 [38.1] nangaphansi | 0 - +20% | |||
| Ngaphezulu kwe-1 1/2 [38.1] | 0 - +22% | |||
2.Ubukhulu bodonga obumaphakathi: Kumapayipi akhiwe ngokubandayo, umehluko ovunyelwe ngu-±10%; kumapayipi akhiwe ngokushisayo, ngaphandle uma kuchazwe ngenye indlela, izidingo kufanele zihambisane nethebula elilandelayo.
| Ububanzi Bangaphandle Obucacisiwe, ngo. [mm] | Ukubekezelelana okuvela ku- |
| 0.405 kuya ku-2.875 [10.3 kuya ku-73.0] kufaka phakathi, zonke izilinganiso ze-t/D | -12.5 - 20% |
| Ngaphezulu kuka-2.875 [73.0]. t/D ≤ 5% | -12.5 - 22.5 % |
| Ngaphezulu kuka-2.875 [73.0]. t/D ＞ 5% | -12.5 - 15 % |
Uma efakwa ebhoyila noma eshidini leshubhu, amashubhu kufanele amelane nokusebenza kokukhula nokubopha ngaphandle kokubonisa imifantu noma amaphutha. Amashubhu e-superheater, uma esetshenziswa kahle, kufanele amelane nayo yonke imisebenzi yokubopha, ukushisela, kanye nokugoba edingekayo ukuze asetshenziswe ngaphandle kokukhula kwamaphutha.
I-ASTM A213 T9 iyishubhu elingenamthungo le-Cr-Mo alloy eyaziwa ngamandla ayo amahle okushisa okuphezulu, ukumelana nokukhukhuleka, kanye nokumelana nokugqwala kokushisa okuphezulu. Isetshenziswa kabanzi ezindaweni ezishisa kakhulu nezinomfutho ophezulu. Izicelo ezijwayelekile zifaka:
Kusetshenziswa emigqeni yomusi eshisa kakhulu, ezindaweni zokushisa zebhoyila, ezindaweni eziphansi, ezikhuphukayo, nakwezinye izingxenye ezisebenza ngaphansi kokushisa okuphezulu okuqhubekayo kanye nengcindezi.
2. Amapayipi e-Superheater kanye ne-Reheater
Ilungele izingxenye zokushisa ngokweqile nokuphinda zifudumale ngenxa yokumelana kwayo nokukhukhuleka okuphezulu kanye nokusebenza kwayo okushisa okuphezulu.
3. Amapayipi Okushintshanisa Ukushisa
Kusetshenziswa ezindaweni zokucwenga, izimboni zamakhemikhali, kanye nezimboni zamandla ukuze kusetshenziswe isevisi yokushintshanisa ukushisa okushisa okuphezulu.
4. Imboni Ye-Petrochemical
Kusetshenziswa kumashubhu okuqhekeka okushisa okuphezulu, amashubhu e-hydrotreater reactor, amashubhu esithando, kanye nezinye izinqubo zokushisa okuphezulu.
5. Izitshalo Zokukhiqiza Ugesi
Ifanele izinhlelo zamapayipi anomfutho ophezulu kanye nokushisa okuphezulu ezitshalweni zamandla ezisebenzisa amalahle, ezitshalweni ezisebenzisa imfucuza zibe amandla, kanye neziteshi zamandla ze-biomass.
6. Izithando Zezimboni
Isetshenziselwa amashubhu akhanyayo namashubhu esithando adinga ukumelana nokushiswa kokushisa okuphezulu.
| I-ASME | I-UNS | I-ASTM | EN | I-JIS |
| I-ASME SA213 T9 | K90941 | I-ASTM A335 P9 | I-EN 10216-2 X11CrMo9-1+1 | I-JIS G3462 STBA26 |
Izinto:Amapayipi ensimbi angenamthungo e-ASTM A213 T9;
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-T9.
