Dab tsi yog qhov zoo ntawm kev siv ASME SA515 Qib 65?
ASME SA515 Qib 65yog lub siab -kev ua tau zoo carbon- silicon steel phaj, tshwj xeeb yog tsim los rau welded siab hlab ntsha thiab boilers nyob rau hauv nruab nrab mus rau siab dua kev pab cuam. Nws cov txiaj ntsig tseem ceeb suav nrog lub zog tensile zoo tshaj (450–585 MPa) piv rau Qib 60, weldability zoo heev, siab -kub durability, thiab nqi-effectiveness, ua rau nws zoo tagnrho rau cov roj, roj, thiab lub zog tsim kev lag luam.
ASME SA515 Qib 65 tau lees paub tias yog cov qauv carbon steel rau boiler - cov ntawv thov zoo. Qib no tau lees paub tshwj xeeb rau kev siv hauv ASME-stamped hlab ntsha, kom ntseeg tau tias txhua lub phaj tau raug kuaj kom ua tau raws li qhov ntsuas kub siab tshaj -cov txheej txheem kev ua haujlwm kub raws li kev cai lij choj thoob ntiaj teb. Vim tias nws yog silicon-tua, ntxhib- cov khoom hnyav, nws muaj cov nqi zoo tshaj- rau-kev ua tau zoo piv rau cov chaw tsim hluav taws xob thiab cov chaw ua kom zoo dua qub uas yuav tsum tau ua kom sov siab ntev yam tsis muaj tus nqi siab cuam tshuam nrog siab - chrome alloys. Nws yog dav siv nyob rau hauv kev tsim kho ntawm qhov chaw ruaj khov thiab chav tsev{13}} tsim cov plhaub uas muaj zog tensile nruab nrab txaus.
Cov yam ntxwv tseem ceeb
Certified Pedigree:Muab nrog Daim Ntawv Qhia Txog Mill Test (MTR) txheeb xyuas cov tshuaj thiab lub cev.
Los ntawm -Thickness Quality:Khaws lub zog zoo ib yam tsis hais lub phaj thickness.
Ntev -Lub Sij Hawm Ntev:Cov ntaub ntawv pov thawj hauv kev ua haujlwm muaj sia nyob tshaj 30 xyoo.
Kev Lag Luam Kev Lag Luam:Npaj muaj los ntawm cov hlau loj loj thoob ntiaj teb.
Qib Qib
Nomenclature:SA-515 / SA-515M Qib 65.
Khoom siv pawg:Ferritic Carbon hlau.
UNS ID: K02800.
Kev sib piv nrog ASME SA299
Manganese Cov ntsiab lus:SA299 muaj ntau dua manganese kom ncav cuag nws cov qib siab zog (75 kwm).
Lub Hom Phiaj Service:SA515-65 tsom raukub tsis kam; SA299 tsom rausiab tshaj plawsntawm nruab nrab kub.
Yield Point:SA299 muab cov txiaj ntsig siab dua (47 ksg) dua li35 ksgntawm SA515-65.
Cov ntawv thov siv
Pressure Vessel Ends:Tsim domed taub hau rau siab -kub tanks.
Kub-Gas Scrubbers:Cov hlab ntsha muaj siv los tshem tawm impurities los ntawm cov pa kub.
Steam Distribution Headers:Main manifolds rau fais fab nroj tsuag kab.
Dab tsi yog cov yam ntxwv ntawm ASME SA515 Qib 65?
Cov khoom siv kho tshuab ntawm ASME SA515 Qib 65 suav nrog:, Tensile Strength: 70-90 ksi (483-621 MPa), Tawm Zog: 45 ksi (310 MPa) yam tsawg kawg nkaus, Elongation: 20% (rau cov phaj nrog tuab tsawg dua los yog sib npaug rau 1.5 nti zog), muaj peev xwm ua tau zoo tiv taus kev ntxhov siab thiab kev nyuaj siab, tshwj xeeb tshaj yog nyob rau hauv qhov chaw kub kub.
Dab tsi yog cov txiaj ntsig ntawm kev siv ASME SA515 Qib 65 hauv cov hlab ntsha siab?
Siv ASME SA515 Qib 65 hauv cov hlab ntsha siab muaj txiaj ntsig xws li lub zog tensile siab, weldability zoo, thiab ua haujlwm zoo rau siab - kub thiab siab - qhov chaw siab. Nws muaj peev xwm tiv taus cov kev ntxhov siab cuam tshuam nrog cov txheej txheem kev lag luam ua rau nws cov khoom siv txhim khu kev qha rau kev tsim cov hlab ntsha uas siv hluav taws xob tsim hluav taws xob, cov nroj tsuag tshuaj, thiab lwm yam kev lag luam uas xav tau cov cuab yeej muaj zog.
Dab tsi yog qhov yuav tsum tau soj ntsuam rau ASME SA515 Qib 65?
Kev tshuaj ntsuam xyuas rau ASME SA515 Qib 65 feem ntau suav nrog kev tshuaj xyuas qhov muag, kuaj ultrasonic (UT), thiab qee zaum sib nqus particle lossis dye penetrant kuaj rau qhov tsis xws luag. Kev ntsuam xyuas tshuab xws li tensile, cuam tshuam, thiab hardness tests kuj tau ua los xyuas kom cov khoom ua tau raws li qhov yuav tsum tau muaj zog thiab toughness. Kev tshuaj xyuas thiab ntawv pov thawj yog qhov tseem ceeb rau kev ua kom cov khoom tsim nyog siv rau hauv cov hlab ntsha siab thiab lwm yam kev siv tseem ceeb.
SA515 Qib 65 siab hlab ntsha steel tshuaj muaj pes tsawg leeg%
| Qib | Thickness | C max | Mn max | P max | S max | Si |
| SA515 Qib 65 | t Tsawg dua lossis sib npaug li 25 | 0.28 | 0.90 | 0.025 | 0.025 | 0.15-0.40 |
| 25﹤t Tsawg dua lossis sib npaug li 50 | 0.31 | |||||
| 50﹤t Tsawg dua lossis sib npaug rau 100 | 0.33 | |||||
| 100﹤t | 0.33 |
SA515 Qib 65 siab hlab ntsha hlau Mechanical zog
| Qib | Yield zog ReHMPa min | Tensile zog Rm MPa | Elongation A% min | |
| 200 hli | 50 hli | |||
| SA515 Qib 65 | 240 | 450-585 | 19 | 23 |
1. ASME SA515 Qib 65 puas tuaj yeem siv rau kev siv cryogenic?
Tsis yog, ASME SA515 Qib 65 tsis haum rau cov ntawv thov cryogenic. Nws cov kev cuam tshuam toughness thiab qis- qhov kub thiab txias tsis yog tsim los rau qhov chaw txias heev, zoo li cov uas muaj nyob rau hauv liquefied natural gas (LNG) tso tsheb hlau luam los yog cryogenic cia systems. Cov ntaub ntawv uas muaj zog dua thiab qis-kub tsis kam, xws li SA516 Qib 70 lossis lwm yam tshwj xeeb qis-kub steels, yuav tsim nyog dua.
2. Dab tsi yog cov ntawv thov ntawm ASME SA515 Qib 65?
ASME SA515 Qib 65 feem ntau yog siv rau kev tsim cov boilers, cov hlab ntsha siab, thiab cov khoom siv hluav taws xob, tshwj xeeb tshaj yog nyob rau hauv cov chaw tsim hluav taws xob, refineries, thiab cov chaw ua tshuaj. Nws qhov siab - qhov kub thiab txias thiab muaj peev xwm tiv taus siab ua rau nws zoo tagnrho rau cov ntawv thov no. Nws kuj tseem siv rau hauv kev tsim cov hlab ntsha loj, cov tso tsheb hlau luam, thiab cov kav dej rau cov txheej txheem thermal.
3. Lub zog tensile ntawm ASME SA515 Qib 65 yog dab tsi?
Lub zog tensile ntawm ASME SA515 Qib 65 feem ntau yog li ntawm 70 ksi txog 90 ksi (483 MPa txog 621 MPa). Lub zog tensile siab no ua rau nws zoo tagnrho rau siv hauv cov hlab ntsha siab thiab lwm yam kev siv uas cov khoom siv yuav tsum tiv taus ob sab hauv siab thiab siab - qhov kub thiab txias. Lub peev xwm los tiv thaiv deformation nyob rau hauv kev ntxhov siab yog qhov tseem ceeb rau kev nyab xeeb ntawm kev lag luam khoom siv.
4. Lub zog tawm ntawm ASME SA515 Qib 65 yog dab tsi?
Lub zog tawm los ntawm ASME SA515 Qib 65 feem ntau yog nyob ib ncig ntawm 65 ksi (448 MPa) ntawm chav tsev kub. Qhov no ua rau nws haum rau siab - ib puag ncig kev ntxhov siab, tshwj xeeb tshaj yog nyob rau hauv kev siv lub nkoj siab. Nws ua kom cov khoom siv tuaj yeem tswj cov kev ntxhov siab sab hauv yam tsis muaj kev tawm los lossis deforming, ua rau nws txhim khu kev qha rau kev siv hauv boilers thiab cov hlab ntsha siab uas ua haujlwm nyob rau hauv huab cua.
5. Cov tshuaj muaj pes tsawg leeg ntawm ASME SA515 Qib 65 yog dab tsi?
Cov tshuaj muaj pes tsawg leeg ntawm ASME SA515 Qib 65 feem ntau suav nrog carbon, manganese, phosphorus, sulfur, silicon, thiab tooj liab. Cov ntsiab lus tshwj xeeb yog raws li hauv qab no: Carbon (C): 0.18–0.24%, Manganese (Mn): 0.60–1.35%, Phosphorus (P): Tsawg dua lossis sib npaug li 0.035%, Sulfur (S): Tsawg dua lossis sib npaug rau 0.035%, Silicon (Si): 0.15'–0.
6. Dab tsi yog qhov kev xeem cuam tshuam rau ASME SA515 Qib 65?
Rau ASME SA515 Qib 65, feem ntau yuav tsum muaj kev ntsuam xyuas qhov kub thiab txias kom ntseeg tau tias cov khoom muaj zog. Qhov kev ntsuas cuam tshuam feem ntau ua rau qhov kub thiab txias xws li -20℃F txog -40℃F (-29℃rau -40 degree), nyob ntawm daim ntawv thov. Cov khoom yuav tsum tau xeem dhau cov kev xeem no nrog tsawg kawg ntawm 20 ft-lbs (27 J) ntawm lub zog nqus, ua kom nws ruaj khov thiab tsis kam ua kom tawg tawg.
7. Dab tsi yog qhov nyuaj ntawm ASME SA515 Qib 65?
Lub hardness ntawm ASME SA515 Qib 65 yog feem ntau ntawm 130 thiab 170 Brinell hardness (BHN). Qhov kev sib tw hardness no ua kom cov khoom muaj qhov sib npaug zoo ntawm lub zog thiab ductility, uas yog qhov tseem ceeb rau kev siv cov hlab ntsha uas muaj qhov kub thiab txias thiab sab hauv. Qhov no hardness ntau kuj pab txhawb rau nws tsis kam hnav thiab deformation nyob rau hauv kev ntxhov siab.
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 cov qauv tsim tshwj xeeb thov hu rau peb cov neeg ua haujlwm muag khoom
