Cov ntsiab lus ceev
Sa-214 T911yog aSeamless Cov Hlau Boiler TubeTsim los pab rau kev pabcuam hauv high - pa taws ib puag ncig, feem ntau nyob rau hauv kev sib pauv cua sov ntawm lub zog tiam. Lub "T911" qhia nws cov tshuaj lom neeg muaj pes tsawg leeg.
1. Tus qauv thiab kev qhia tshwj xeeb
Pab Tswj Qauv: ASTM A214 / ASME SA-214
Cov qauv no npogSeamless cov hlau boiler, superheater, thiab cua sov - mformarer tub.
Lub "SA" Prefix qhia tias nws ua raws li cov asme (Asmeskas haiv neeg ntawm cov neeg kho tshuab engineers) code, uas yog cov siab rau Asmeskas thiab ntau lub tebchaws.
Qib: T911yog ib qho ntawm cov khoom kawm qib hauv qab cov qauv no. Lwm cov qib kawm hauv A214 suav nrog T2 thiab T3.
2. Tshuaj lom neeg sib xyaw
Cov qauv "T911" yog txhais tau los ntawm nws cov tshuaj lom neeg tshwj xeeb (kev txwv hauv qhov hnyav%):
| Lub ntsiab | Muaj pes tsawg leeg (%) |
|---|---|
| Carbon (c) | 0.15 Max |
| Manganese (mn) | 0.90 max |
| Phosphorus (p) | 0.025 max |
| Sulphur (s) | 0.025 max |
| Silicon (si) | 0.25 - 1.00 |
| Chromium (cr) | 0.80 - 1.25 |
| Molybdenum (mo) | 0.90 - 1.20 |
Cov yam ntxwv tseem ceeb los ntawm chemistry:
Carbon Steel puag:Cov ntsiab lus carbon qis muab cov weldability zoo thiab muaj peev xwm.
Txuas ntxiv ntawm chromium (CR) thiab Molybdenum (MO):Nov yog qhov tseem ceeb tshaj plaws. Qhov kev sib xyaw no ua ke tau zoo heev:
Lub Zog Txiaj Ntsig:Kuj mus rau deformation nyob rau hauv kev ntxhov siab siab ntawm kev nce kub ntev ntev.
Corrosion Kuj:Txhim kho rau oxidation thiab scaling piv rau cov hlau nplaum.
3. Cov Khoom Siv Kho Tshuab
Cov hlab yuav tsum ua kom tau raws li cov khoom ntiag tug hauv qab no:
| Ntiag tug | Tus nqi |
|---|---|
| Lub zog tensile | 415 MPa (60 Ksi) min |
| Paib lub zog | 205 MPa (30 Ksi) min |
| Elongation | Txawv nrog phab ntsa thickness, tab sis tsawg kawg ntawm 30% yog qhov raug rau phab ntsa thinner. |
4. Cov yam ntxwv tseem ceeb thiab cov txiaj ntsig
Siab - kub lub zog:Nws thawj qhov txiaj ntsig yog tswj kev ncaj ncees cov qauv thiab siab {}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}} Nws muaj cov pa roj carbon hlau tsis muaj zog thiab ua tsis tau.
Zoo weldability:Cov tswj cov tshuaj chemistry, tshwj xeeb tshaj yog cov roj carbon tshwj xeeb, ua rau nws haum rau vuam thaum lub sijhawm fabrication ntawm boiler tshuab.
Oxidation tsis kam:Cov ntsiab lus chromium muab qib kev tiv thaiv kev tiv thaiv tawm tsam ntawm chav ib puag ncig.
Seamless kev tsim kho:Raug seamless txhais tau tias tsis muaj qhov ntev weld seam, uas yog qhov muaj peev xwm tsis muaj zog nyob rau hauv canclic siab thiab kub. Qhov no ua rau nws txhim khu kev qha rau cov ntawv thov tseem ceeb.
5. Cov Ntawv Thov Tib Neeg
Sa-214 T911 cov hlab yog yuav luag siv rau hauvKev Lag Luam Hluav Taws Xobthiab cov boiler boiler tshuab:
Tub tshib Tube:Cov dej -}} cov raj ntsa ntsa uas dej sov thiab hloov mus rau hauv chav.
Superheater leeg:Cov tshooj uas txuas ntxiv ua kom sov lub chav rau qhov kub siab, nce cov nroj tsuag cov cua sov ua haujlwm.
Tub Rog Hluav Taws Xob:Hauv cov tshuab yuav tsum tau hloov pauv ntawm tshav kub ntawm siab pressures thiab kub.
Fossil Roj Fais Fab Nroj Tsuag:Cov no yog cov neeg siv thawj, qhov twg cov kua Boilers ua haujlwm ntawm cov xwm txheej huab.
6. Kev sib piv nrog lwm qib
Nws tau pab tau los sib piv SA-214 T911 nrog lwm cov neeg Boiler Tube Qeb:
| Teem nqi | Lub hom phiaj | Ntsiab lus Ntsiab | Raug siv cov ntaub ntawv |
|---|---|---|---|
| Sa-214 T911 | ASTM A214 | Cr, mo | Nruab nrab - qhov kub thiab txias / siab boilers |
| SA-210 A1 / C | ASTM A210 | C, MN (Cov hlau carbon) | Qis - sov bequoil infts, accomizers |
| Sa-213 T11 | ASTM A213 | ~ 1.25% CR, 0.5% MO | Zoo ib yam li T911, tab sis ib qho qauv sib txawv rau "ferritic thiab ustenitic" alloys.A213 muaj ntau dua rau cov hlau loj. |
| Sa-213 T22 | ASTM A213 | 2.25% CR, 1.0% MO | Ntau dua thiab corrosion tsis kam dua li t11 / T911. |
Cov Lus Tseem Ceeb Ntawm Cov Qauv Confusion:
Koj yuav pom ntau zausSa-213 T11thiabSa-214 T911sib tham ua ke. Thaum lawv cov tshuaj messistories zoo heev,ASTM A213 yog cov qauv ntau ntxiv rau cov hlua hlau alloy hlauZoo li T11, T22, thiab T91. Sa-214 T911 yog ib qho tsis tshua sib txawv. Nws yog qhov tseem ceeb los qhia cov qauv txheej txheem thiab qib kawm uas xav tau los ntawm cov tshuab tsim khoom lag luam.
7. Kev Tsim Kho thiab Kuaj
Sa-214 T911 cov tsim ua kom tau raws li kev tswj nruj kom haum xeeb, suav nrog:
Tsis - Kev sim tshuaj (ndt):Feem ntau yog eddy tam sim no lossis ultrasonic kuaj kom kuaj xyuas sab hauv thiab sab nraud tsis xws luag.
Hydrostatic kuaj:Txhua lub raj yog lub siab sim kom ntseeg tau tias nws tuaj yeem tuav nws lub siab lub siab yam tsis muaj kev txwv.
Flattening, flange, thiab rov qab khoov cov ntawv xeem:Cov no tau ua rau cov qauv los ntawm txhua qhov ntau los kuaj cov qauv ductility thiab suab.
Tag
Sa-214 T911yog aSeamless, chromium - molybdenum carbon hlau rajEngineered rau xav tau high - kub thiab siab - qhov kev pab cuam siab, tshwj xeeb hauv cov fais fab nroj tsuag boilers. Nws cov kev txhais tau tus yam ntxwv yog qhov ntxiv ntawm cr thiab mo, uas muab cov nqi tsim nyog thiab oxidation tiv thaiv cov pa roj carbon hlau tsis muaj. Thaum sourcing cov khoom no, nws yog qhov tseem ceeb kom paub meej tias nws tau muab cov ntawv pov thawj tsim nyog) kom ntseeg tau tias yog ib qho ntawm ASME Sa-214 tus qauv.
