SA 204 Qib Byog amolybdenum- alloyed siab lub nkoj steel phajnpog los ntawm ASME SA 204 specification. Nws yog tsim los siv rau hauvwelded siab hlab ntsha thiab boiler Cheebtsamuas ua haujlwm ntawmsiab kub, qhov uas tswj lub zog thiab tsis kam mus rau hauv qab cua sov thiab siab yog qhov tseem ceeb.
Cov cuab yeej cuab tam rau SA204GrB alloy steel phaj:
| Yield zog (Ntau dua lossis sib npaug rau Mpa) | Tensile zog (Mpa) | Elongation nyob rau hauv ntau dua los yog sib npaug rau ,% | |
| 275 | 485-620 | 200 hli | 50 hli |
| 17 | 21 | ||
Tshuaj muaj pes tsawg leeg rau SA204 Qib B alloy steel phaj (Kub ntsuas Max%)
| Lub ntsiab tshuaj muaj pes tsawg leeg ntawm A204 Qib B | ||||||
| Thickness (hli) | C | Si | Mn | P | S | Mo |
| T Tsawg dua lossis sib npaug li 25 | 0.20 | 0.15-0.40 | 0.90 | 0.035 | 0.035 | 0.45-0.60 |
| 25<> | 0.23 | |||||
| 50<> | 0.25 | |||||
| T>100 | 0.27 | |||||
daim ntawv thov
Roj thiab Roj:
Cov hlab ntsha siab, cov khoom sib cais, thiab cov tank cia tuav cov hydrocarbons ntawm qhov kub siab.
Kev lag luam Petrochemical:
Reactors, cov txheej txheem yees, thiab cov khoom siv hluav taws xob sib txuas nrog rau kev ua haujlwm kub.
Lub zog tiam:
Boiler Cheebtsam, chav nruas, thiab headers uas ua haujlwm nyob rau hauv high-pressure chav.
Kev ua tshuaj lom neeg:
Cov nkoj thiab cov tso tsheb hlau luam rau khaws cia thiab ua cov tshuaj ntawm qhov nruab nrab mus rau qhov kub thiab txias.
Kev lag luam dav dav:
Thaum tshav kub kub exchangers, siab hlab ntsha, thiab lwm yam khoom siv uas yuav tsum tau muaj zog thiab creep kuj nyob rau hauv tshav kub.
Yog xav paub ntxiv txog GNEE cov khoom siv hlau, tiv tauj peb ntawm beam@gneesteelgroup.com. Peb tos ntsoov yuav ua haujlwm nrog koj.
SA 204 Qib B yog dab tsi?
SA 204 Qib B yog lub siab lub nkoj steel phaj teev raws li ASME SA 204 tus qauv. Nws yog molybdenum- alloyed steel tsim los siv rau hauv welded siab hlab ntsha thiab boiler Cheebtsam uas ua haujlwm ntawm qhov kub siab.
Lub hom phiaj ntawm kev ntxiv molybdenum rau SA 204 Qib B yog dab tsi?
Molybdenum tau ntxiv los txhim kho cov hlau lub zog thiab nkag mus rau ntawm qhov kub siab dua. Nws kuj tseem txhim kho hardenability thiab muab kev tiv thaiv zoo rau thermal qaug zog, ua cov khoom tsim nyog rau kev pab cuam nyob rau hauv qhov kub thiab txias.
Dab tsi yog cov khoom tseem ceeb ntawm SA 204 Qib B?
SA 204 Qib B muaj qhov siab tensile thiab tawm los lub zog, zoo toughness, thiab zoo heev creep kuj nyob rau hauv siab kub. Nws kuj muaj qhov zoo weldability, tso cai rau kev tsim cov hlab ntsha loj thiab nyuaj.
Kev lag luam dab tsi feem ntau siv SA 204 Qib B?
SA 204 Qib B yog dav siv hauv cov roj thiab roj, petrochemical, tsim hluav taws xob, thiab kev lag luam tshuaj lom neeg. Nws kuj yog siv rau hauv kev lag luam kev siv dav dav uas xav tau cov hlab ntsha siab thiab cua sov- cov khoom tiv thaiv.
Yam khoom siv twg feem ntau yog tsim los ntawm SA 204 Qib B?
Cov kev siv feem ntau muaj xws li cov hlab ntsha siab, boilers, kub exchangers, cia tank, thiab cov txheej txheem cov khoom uas ua hauj lwm nyob rau hauv nruab nrab mus rau high kub. Nws feem ntau yog siv rau hauv cov khoom siv uas ua rau cov ncu, hydrocarbons, thiab ntau yam txheej txheem kua.
Cov khoom siv SA 204 GR B yog dab tsi?
Lub SA 204 GR B specification npog cov molybdenum alloy daim hlau, thiab lawv yog tshwj xeeb yog npaj rau welded boilers thiab ntau lwm yam siab hlab ntsha. Astm A204 Qib B Phaj yog siv nyob rau hauv qhov kub thiab txias, thiab lawv tuaj nrog ntau dua yield thiab tensile zog.
Qib B steel yog dab tsi?
Qib B steel, los yog 9260 steel, yog siab - silicon alloy nrog kwv yees li 0.60% carbon, ua rau nws ua lub caij nplooj ntoos hlav hlau.
SA 204 Qib B piv rau lwm qib SA 204 li cas?
SA 204 suav nrog ntau qib nrog qib sib txawv ntawm molybdenum thiab lub zog. Qib B muaj qhov sib npaug ntawm lub zog thiab lub zog tsim nyog rau ntau qhov siab siab -kub siab ntawm lub nkoj siv, ua rau nws xaiv ntau yam kev lag luam.
Puas yog SA 204 Qib B haum rau vuam?
Yog lawm, SA 204 Qib B tau zoo weldability. Cov txheej txheem vuam kom raug, suav nrog qhov tsim nyog preheating thiab interpass kub, raug pom zoo los xyuas kom meej lub suab welds thiab tswj cov khoom siv lub zog.