ASTMA662 Qib Cyog ib hom carbon-manganese-silicon steel phaj tshwj xeeb tsim los rau cov hlab ntsha siab siv nyob rau hauv nruab nrab thiab qis kub cov kev pab cuam, paub txog nws zoo weldability thiab mechanical zog, feem ntau siv nyob rau hauv kev lag luam xws li roj & roj thiab tshuaj ua.
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ASTMA662 Qib CTshuaj muaj pes tsawg leeg |
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Qib |
Cov ntsiab lus Max (%) |
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C |
Si |
Mn |
P |
S |
Al |
N |
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A662 Qib C |
0,24 |
0.13-0.55 |
0.92-1.72 |
0,035 |
0,035 |
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Nb |
V |
Ti |
Cu |
Cr |
Ni |
Mo |
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Qib |
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ASTM A662 Qib CMechanical Property |
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Thickness |
Yield |
Tensile |
Elongation |
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A662 Qib C |
mm |
Min Mpa |
Mpa |
Tsawg% |
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6-50 |
295 |
480-620 |
22% |
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50-200 |
295 |
480-620 |
18% |
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daim ntawv thov
Kev lag luam Petrochemical: Raws li cov hlau tshwj xeeb rau nruab nrab thiab qis -kub siab cov hlab ntsha, nws yog siv los tsim cov khoom tseem ceeb xws li reactors, heat exchangers, separators, spherical storage tanks, as well as oil and gas and liquefied petroleum gas (LPG) storage tanks. Nws tuaj yeem ua haujlwm ruaj khov ntawm -30℃thiab siab dua, tiv taus nruab nrab siab thiab corrosion, thiab ua kom muaj kev nyab xeeb thiab txhim khu kev lag luam ntawm cov txheej txheem petrochemical ntau lawm.
Fais Fab Kev Lag Luam: Tsim nyog rau kev tsim khoom siab - kub thiab siab - cov cuab yeej siv siab xws li chaw nres tsheb fais fab boiler nruas thiab nuclear reactor siab hlab ntsha. Nws tuaj yeem tiv taus kev ua haujlwm kub thiab kub tsis zoo, thiab ua kom muaj kev ncaj ncees thiab ntev - lub sijhawm ua haujlwm ruaj ntseg ntawm cov khoom siv hauv cov khoom siv hluav taws xob (thermal power, nuclear power) cov txheej txheem los ntawm kev tsim txiaj ntawm nws lub zog zoo heev thiab qaug zog.
Tsawg-Qhov Chaw Cia Kub thiab Kev Thauj Mus Los: Siv nyob rau hauv kev tsim khoom cia thiab thauj cov thawv rau qis -kub xov xwm xws li kua ammonia, kua nitrogen, thiab liquefied petroleum gas (LPG). Nws yog qhov tsim nyog rau kev ua haujlwm ntawm -20℃mus rau -45℃thiab ua tau raws li cov kev cai nruj ntawm kev cia kub qis thiab kev thauj mus los rau cov khoom siv tawv thiab kev sib khi ua haujlwm.
Kev txuag dej thiab Hydropower Field: Muaj feem xyuam rau kev ua haujlwm ntawm lub siab- cov kabmob xws li siab - cov kav dej siab thiab cov dej turbine volutes ntawm cov chaw nres tsheb hydropower. Nws tuav cov khoom siv kho kom zoo txawm tias nyob rau hauv qis - qhov kub thiab txias ib puag ncig, ua kom cov haujlwm ruaj khov thiab kev ntseeg siab ntawm kev txuag dej thiab cov chaw tsim hluav taws xob.
daim ntawv thov tej yam kev mob
Qhov kub thiab txias: Haum rau nruab nrab thiab qis- qhov chaw ua haujlwm kub, nrog qhov kev pab cuam yam tsawg kawg nkaus ntawm -45℃thiab qhov siab tshaj plaws ua haujlwm kub tsis tshaj 345 degree. Nws tuaj yeem tswj xyuas cov khoom siv kho tshuab ruaj khov nyob rau hauv kev hloov pauv kub, zam kev tawg tawg lossis kev ua haujlwm degradation los ntawm huab cua hloov pauv.
Kev xav tau siab: Tsim los rau nruab nrab thiab qis- cov xwm txheej ua haujlwm siab, nrog qhov siab tshaj plaws tso cai ua haujlwm siab (MAWP) sib piv cov thickness ntawm cov hlau phaj. Nws muaj feem xyuam rau lub siab- cov khoom siv bearing nrog lub siab ua haujlwm feem ntau ntawm 0.6MPa txog 10MPa, ua kom muaj kev nyab xeeb ntawm cov qauv hauv qab lub siab loads.
Nruab nrab Compatibility: Tau tshaj cov xov xwm uas tsis yog -corrosive los yog tsis muaj zog corrosive media, xws li roj, roj, dej, kua ammonia, thiab liquefied petroleum gas (LPG). Nws tsis haum rau qhov muaj zog corrosive ib puag ncig (xws li, muaj zog acid, muaj zog alkali, siab- ntsev media) tshwj tsis yog siv tshuaj tiv thaiv ntxiv -corrosion.
Vuam txheej txheem: Yuav tsum muaj cov txheej txheem vuam tsim nyog (xws li arc vuam, roj tiv thaiv vuam) thiab cov khoom siv vuam sib txuam. Preheating ua ntej vuam (feem ntau yog 50-100 degree) thiab kev kho cua sov tom qab vuam tau pom zoo kom tshem tawm cov kev ntxhov siab ntawm vuam thiab xyuas kom cov vuam sib txuas muaj qhov sib npaug ntawm lub zog thiab lub zog rau lub hauv paus hlau.
Kev tsim qauv tsim nyog: Cov qauv tsim ntawm cov cuab yeej siv A662 Qib C yuav tsum ua raws li cov qauv kev lag luam cuam tshuam (xws li ASME Tshooj VIII). Nws yuav tsum zam cov ces kaum ntse thiab qhov chaw muaj kev ntxhov siab los tiv thaiv kev qaug zog hauv zos thaum lub sijhawm ua haujlwm ntev -.
qhov zoo
Zoo heev Low-Tsub Toughness: Nws tuav lub siab tawv thiab ductility txawm nyob rau ntawm -45 degree, zoo zam kev tawg tawg nyob rau hauv qis- qhov chaw ua haujlwm kub xws li qis- kub cia thiab tsheb thauj mus los thiab txias - cheeb tsam engineering, uas yog qhov tseem ceeb rau kev nyab xeeb ntawm cov khoom siv siab.
Zoo heev Mechanical Strength: Raws li cov pa roj carbon -manganese- silicon alloy hlau, nws muaj zog tensile zoo heev thiab yield zog. Nws tuaj yeem tiv taus qhov nruab nrab thiab qis qis rau lub sijhawm ntev, ua tau raws li qhov yuav tsum tau muaj zog ntawm cov khoom tseem ceeb hauv kev lag luam petrochemical, fais fab thiab hydropower.
Weldability zoo: Nws muaj kev sib raug zoo nrog cov txheej txheem welding (arc vuam, roj shielded vuam, thiab lwm yam). Nrog rau preheating thiab post-weld tshav kub kev kho mob, lub weld sib koom ua ke muaj peev xwm ua tau lub zog thiab toughness sib npaug rau cov hlau puag, txo vuam nyuaj thiab xyuas kom meej cov qauv ntawm cov khoom siv welded.
Tus nqi -Kev ua tau zoo: Piv nrog rau siab- alloy low-kub steels, nws tau qis dua cov nqi tsim khoom thiab kev yuav khoom thaum ua tau raws li qhov yuav tsum tau ua ntawm nruab nrab thiab qis - kub siab- cov xwm txheej, pab cov lag luam tswj cov nqi tsim khoom yam tsis muaj kev cuam tshuam kev nyab xeeb thiab kev ntseeg tau.
Stable Corrosion Resistance (nyob rau hauv cov xwm txheej tshwj xeeb): Nws muaj kev tiv thaiv zoo rau cov uas tsis yog -corrosive thiab tsis muaj zog corrosive media (roj, roj, dej, thiab lwm yam). Nrog yooj yim los tiv thaiv- kev kho corrosion, nws tuaj yeem hloov mus rau feem ntau ntawm cov chaw ua haujlwm thiab muaj lub neej ua haujlwm ntev.
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.
A662 Qib C yog dab tsi?
A662 Qib C yog cov pa roj carbon-manganese steel phaj tau teev tseg los ntawm ASTM cov qauv, feem ntau yog siv rau cov hlab ntsha siab thiab qis- kev pabcuam kub. Nws muaj qhov zoo toughness thiab weldability, haum rau nruab nrab siab thiab qis - qhov kub thiab txias.
Dab tsi yog cov khoom tseem ceeb ntawm A662 Qib C?
Cov tshuaj lom neeg tseem ceeb muaj xws li carbon (C) Tsawg dua lossis sib npaug li 0.20%, manganese (Mn) 0.70-1.35%, phosphorus (P) Tsawg dua lossis sib npaug li 0.035%, sulfur (S) Tsawg dua lossis sib npaug li 0.035%, silicon (Si) 0.15-0.40%, thiab lwm yam.
Dab tsi yog qhov ntsuas qhov ntsuas qhov tsawg kawg nkaus ntawm A662 Qib C?
Qhov ntsuas kub tsawg kawg nkaus ntawm A662 Qib C yog -29℃(-20℃F). Nws tuav zoo toughness thiab structural stability ntawm qhov kub thiab txias, tsis txhob nkig tawg nyob rau hauv tsawg-kub daim ntaub ntawv.
Dab tsi yog cov khoom siv kho tshuab ntawm A662 Qib C?
Feem ntau, nws lub zog tensile yog 485-620 MPa, yield zog Ntau dua lossis sib npaug rau 290 MPa, elongation Ntau dua lossis sib npaug li 23% hauv 2 ntiv tes. Nws kuj muaj kev cuam tshuam zoo heev, tshwj xeeb tshaj yog nyob rau qhov kub thiab txias.
Dab tsi yog kev lag luam A662 Qib C feem ntau siv hauv?
Nws yog dav siv nyob rau hauv petrochemical, tshuaj, hluav taws xob tsim, thiab siab nkoj tsim kev lag luam, tshwj xeeb tshaj yog rau cov cuab yeej ua hauj lwm nyob rau hauv qis - kub thiab nruab nrab - tej yam kev mob siab.
Puas yog A662 Qib C weldable?
Yog lawm, A662 Qib C muaj qhov zoo weldability. Preheating kom zoo (feem ntau yog 60-150 degree) thiab kev kho cua sov tom qab vuam raug pom zoo kom ua kom cov vuam zoo thiab tsis txhob muaj cov kab mob khaub thuas.
A662 Qib C ua raws li cov qauv dab tsi?
A662 Qib C ua raws li ASTM A662 tus qauv, uas yog American Society for Testing and Materials specification for carbon-manganese steel plates for pressure vessels.
Qhov txawv ntawm A662 Qib C thiab Qib A yog dab tsi?
Lub ntsiab sib txawv yog nyob rau hauv lub zog thiab toughness. Qib C muaj cov txiaj ntsig siab dua thiab lub zog tensile dua qib A, thiab zoo dua qis - qhov kub thiab txias, haum rau cov kev pabcuam xav tau ntau dua.
Dab tsi thickness ranges muaj rau A662 Qib C daim hlau?
A662 Qib C daim hlau feem ntau muaj nyob rau hauv thicknesses ntawm 6mm mus rau 150mm. Cov phaj tuab yuav xav tau kev kho cua sov ntxiv kom ntseeg tau tias cov khoom siv kho tshuab tsis sib xws.
Puas yog A662 Qib C xav tau kev kho cua sov?
Nws nyob ntawm thickness thiab daim ntawv thov. Cov phaj nyias nyias (tsawg dua lossis sib npaug li 12 hli) tuaj yeem siv ua - dov, thaum cov phaj tuab lossis cov rau qhov chaw hnyav yuav tsum tau ua kom zoo lossis kev ntxhov siab- kho cua sov.