SA 285 Gr.C yog qhov qis- mus rau nruab nrab- lub zog carbon steel phaj teev nyob rau hauv ASME Tshooj II (hauv qab SA-285), siv feem ntau rau cov hlab ntsha siab uas ua haujlwm ntawm qhov qis lossis nruab nrab thiab qhov kub thiab txias. Nws sib haum rau ASTM A285 Qib C, nrog "SA" qhia txog ASME kev pom zoo rau boiler thiab lub nkoj siab.
Chemical Composition thiab Pricing Relevance
|
Lub ntsiab |
Kev sib xyaw (%) |
|---|---|
|
Cov pa roj carbon (C) |
0.24 max |
|
Manganese (Mn) |
0.90 max |
|
Phosphorus (P) |
0.035 max |
|
Sulfur (S) |
0.035 max |
Mechanical Properties ntawm ASME SA285 Gr C
|
Khoom |
Tus nqi |
|---|---|
|
Tensile zog |
55-75 ksi (380-515 MPa) |
|
Yield zog |
30 ksi (205 MPa) min |
|
Elongation (hauv 50mm) |
27% min |
daim ntawv thov
Cov Khoom Siv Hluav Taws Xob & Boilers:
Nrog nws lub zog sib npaug thiab txhim khu kev ntseeg siab- kev ua haujlwm ntawm cov kabmob, SA-285 Gr.C yog dav siv hauv kev tsim cov welded siab hlab ntsha thiab qis - rau- nruab nrab siab boilers. Nws feem ntau tau teev tseg rau cov khoom xws li cov tshuab hluav taws xob, cov txheej txheem tso tsheb hlau luam, cov hlab ntsha siab, thiab lub plhaub reactor uas tus nqi -kev ua tau zoo thiab weldability yog qhov tseem ceeb rau kev txiav txim siab.
Cia Tank:
Cov khoom siv feem ntau yog siv los tsim cov tso tsheb hlau luam uas tuav ntau yam kua thiab gases nyob rau hauv nruab nrab siab los yog atmospheric tej yam kev mob. Cov ntawv thov ib txwm muaj xws li tso tsheb hlau luam rau cov khoom siv roj, tshuaj, dej, thiab lwm yam uas tsis yog -corrosive lossis me me corrosive media hauv refineries, tshuaj nroj tsuag, thiab chaw tsim khoom.
Thaum tshav kub kub Exchangers:
Ua tsaug rau nws qhov zoo thermal conductivity thiab formability, SA-285 Gr.C yog haum rau siv nyob rau hauv tej yam ntawm cov tshav kub exchangers, tshwj xeeb tshaj yog cov kev khiav hauj lwm ntawm nruab nrab kub thiab siab. Nws tuaj yeem tsim rau hauv plhaub, tubesheets, thiab lwm yam siab -muaj cov khoom hauv plhaub-thiab- raj thiab lwm yam khoom siv hluav taws xob.
Cov khoom siv txheej txheem:
Hauv kev lag luam tshuaj lom neeg, petrochemical, thiab kev lag luam sib koom ua ke, SA-285 Gr.C yog siv los tsim ntau yam khoom siv txheej txheem. Qhov no suav nrog cov kav dej, li qub, fittings, thiab ntau yam siab - muaj cov khoom siv uas yog ib feem ntawm cov txheej txheem kev tuav tsis yog - cov kev pabcuam hnyav.
Kev tsim hluav taws xob:
Hauv cov chaw tsim hluav taws xob, tshwj xeeb tshaj yog cov uas xav tau qis dua thiab qhov kub thiab txias, SA-285 Gr.C pom cov ntawv thov hauv boiler Cheebtsam, xws li qee cov seem ntawm boiler drums, headers, thiab cuam tshuam qhov chaw siab. Nws kuj tseem siv rau hauv cov cuab yeej pabcuam thiab cov tshuab uas muaj zog nruab nrab thiab zoo weldability txaus.
General Industrial:
Tshaj li cov cuab yeej siv siab, SA-285 Gr.C yog siv rau hauv ntau yam kev lag luam. Cov no suav nrog kev tsim cov nkoj (rau qee yam qauv thiab qhov chaw siab), cov chaw kho dej, thiab ntau yam kev tsim qauv thiab kev tsim khoom hnyav uas tus nqi - siv tau, weldable carbon steel phaj yog qhov tsim nyog.
Tag nrho cov specification thiab cov ntsiab lus muaj nyob rau ntawm kev thov. Cov ntaub ntawv saum toj no yog muab rau kev taw qhia nkaus xwb. Rau kev tsim tshwj xeeb thov hu rau peb cov neeg ua haujlwm muag khoom.
SA 285 Gr.C yog dab tsi?
SA 285 Gr.C yog qhov qis- mus rau nruab nrab- lub zog carbon steel phaj pom zoo los ntawm ASME rau siv hauv cov hlab ntsha siab. Nws sib haum rau ASTM A285 Qib C thiab yog dav siv nyob rau hauv qis- thiab nruab nrab- kev siv siab.
Dab tsi yog cov yam ntxwv tseem ceeb ntawm SA 285 Gr.C?
Nws muaj qhov zoo weldability, formability, thiab machinability, nrog rau nruab nrab lub zog thiab nqi -effectiveness. Nws yog tsim los rau kev txhim kho kev ua tau zoo nyob rau hauv uas tsis yog - ua haujlwm hnyav.
Dab tsi kub thiab siab tej yam kev mob yog SA 285 Gr.C haum rau?
Nws feem ntau yog siv nyob rau hauv qis - mus rau nruab nrab - siab thiab kub kev pab cuam. Nws tsis pom zoo rau siab - kub, siab - siab, los yog ib puag ncig corrosive heev.
Dab tsi yog cov kev siv ntawm SA 285 Gr.C?
Nws yog feem ntau siv rau lub siab lub plhaub plhaub, lub tso tsheb hlau luam, cov khoom siv hluav taws xob sib hloov, cov khoom siv boiler, cov txheej txheem cov cuab yeej, thiab cov khoom siv dav dav.
Yuav ua li cas yog lub weldability ntawm SA 285 Gr.C?
SA 285 Gr.C muaj qhov zoo tshaj plaws weldability thiab tuaj yeem koom nrog siv tag nrho cov txheej txheem vuam txheej txheem. Preheating lossis post-weld heat treatment tej zaum yuav xav tau rau cov ntu tuab lossis cov pob qij txha nruj heev.
SA 285 Gr.C txawv li cas ntawm SA 387 series?
SA 285 Gr.C yog cov pa roj carbon zoo rau cov kev pabcuam nruab nrab. SA 387 series muaj chromium-molybdenum alloy steels tsim rau siab- kub thiab hydrogen- daim ntaub ntawv tiv taus.
Puas yog SA 285 Gr.C xav tau kev kho cua sov?
Feem ntau, tsis xav tau kev kho cua sov tshwj xeeb. Txawm li cas los xij, kev kho cua sov ntawm kev ntxhov siab tuaj yeem siv raws li cov thickness, vuam tej yam kev mob, los yog tsim cov kev cai.
Hauv qhov xwm txheej twg yog SA 285 Gr.C feem ntau muab?
Nws yog feem ntau nkag rau hauv raws li - dov los yog normalized mob, nyob ntawm seb cov chaw tsim khoom thiab cov neeg siv khoom specifications.
Dab tsi yog qhov corrosion kuj ntawm SA 285 Gr.C?
Nws muaj nruab nrab corrosion kuj thiab yog haum rau cov uas tsis yog -corrosive los yog me me corrosive xov xwm. Kev tiv thaiv ntxiv lossis cov ntsiab lus alloy siab dua yog xav tau nyob rau hauv ib puag ncig hnyav.
Puas yog SA 285 Gr.C tib yam li A285 Gr.C?
Lawv cov tshuaj muaj pes tsawg leeg thiab cov khoom siv kho tshuab yog qhov tseem ceeb zoo ib yam. Lub npe "SA" qhia tias cov khoom raug pom zoo los ntawm ASME rau kev siv hauv boilers thiab cov hlab ntsha siab.