ASME SA662 Qib C tus qauv yog dab tsi?
ASME SA662 Qib Cyog cov txheej txheem kev qhia tshwj xeeb rau cov pa roj carbon-manganese- silicon steel daim hlau, tsim los rau welded siab hlab ntsha thiab boilers ua haujlwm ntawm qhov nruab nrab thiab qis dua. Nws muaj kev txhim kho qhov tsis zoo, ua rau nws tsim nyog rau cov ntawv thov xws li reactors, cov khoom siv hluav taws xob sib hloov, thiab cov tso tsheb hlau luam uas muaj kev ua tau zoo tshaj plaws hauv cov xwm txheej txias.
ASME SA662 Qib C yog kev nyab xeeb- cov ntsiab lus tseem ceeb ntawm steel tsim los tiv thaiv kev puas tsuaj rau cov khoom siv siab. Nws metallurgical architecture yog tsim nyob ib ncig ntawm lub tswv yim ntawm "fracture toughness," kom ntseeg tau tias cov khoom muaj peev xwm nqus tau lub zog thiab tiv thaiv qhov kev nthuav tawm sai sai ntawm cov kab nrib pleb txawm tias muaj qhov tsis zoo ntawm qhov chaw los yog qhov sib txawv ntawm qhov sib txawv. Los ntawm kev siv lub silicon-manganese system thiab yuav tsum tau normalizing, SA662 Qib C muab cov khoom siv txhim khu kev qha, cov khoom siv hluav taws xob uas ua rau muaj kev nyab xeeb nyob rau hauv siab - cov chaw muaj kev pheej hmoo siab uas ciam teb tsis ua haujlwm tuaj yeem ua rau muaj kev puas tsuaj ib puag ncig lossis kev nyab xeeb.
Cov yam ntxwv tseem ceeb
Low Transition Temperature:Ua kom muaj qhov qis qis dua - mus rau -Brittle Transition Temperature (DBTT), tseem ceeb heev rau cov nkoj uas ntsib qhov txias txias.
Uniform Hardness:Cov txheej txheem normalizing ua kom tsis muaj "cov tawv nqaij" hauv cov phaj uas tuaj yeem ua qhov chaw pib tawg.
Silicon Synergy:Ntau qib silicon pab hauv deoxidation thiab txhim kho cov khoom siv kev ruaj ntseg nyob rau hauv load.
Inclusion Control:Qhov tsawg kawg nkaus uas tsis yog{0}}cov khoom siv hlau ua kom ntseeg tau tias cov khoom siv cov khoom sib xws los ntawm cov phaj tuab.
Qib Qib
ASME:American Society of Mechanical Engineers.
SA:Prefix rau Ferrous khoom specifications.
662:Tus qauv rau C-Mn-Si steel rau qis- kev pabcuam kub.
Qib C:Lub siab - lub zog muaj zog nyob rau hauv SA662 specification.
Kev sib piv (vs. SA515 Qib 70)
Grain xyaum:SA515 yog coarse-cov hlau nplaum rau siab-temp creep; SA662 Qib C yog zoo -grained rau toughness.
Hom Fracture:SA662 Qib C yog tsim los rau ductile tsis ua hauj lwm; SA515 yog qhov ua rau tawg tawg ntawm chav tsev kub thiab hauv qab no.
Yield Strength Efficiency:SA662 Qib C muab cov txiaj ntsig zoo ntawm qhov kub thiab txias tshaj SA515-70.
Kev kho cua sov:SA515 feem ntau yog - dov; SA662 Qib C yog nruj me ntsis rau cov qauv kev nyab xeeb.
Daim Ntawv Thov Kev Sib Tham
Hydrogen Storage Bullets:Cov tso tsheb hlau luam tshwj xeeb kab rov tav tsim los kom muaj kev nyab xeeb ntawm -siab hydrogen gas.
Hluav Taws Xob Hluav Taws Xob Reservoirs:Loj - ntsuas ntsuas ntsuas rau cov tshuab tua hluav taws tsis siv neeg hauv cov chaw tsim khoom.
Cua Separation Cold Box Liners:Internal structural Cheebtsam rau huab cua liquefaction nroj tsuag uas lis txias gas.
Gas Scrubbing Towers:Environmental control units tau siv los tshem tawm cov pa phem los ntawm cov pa hluav taws xob ua lag luam.
Lim Housings:Heavy-cov ntaub thaiv npog rau loj- teev kua lossis roj pom hauv cov chaw ua dej.
Lub zog tensile ntawm ASME SA 662 Qib C yog dab tsi?
Covtensile zogntawmASME SA 662 Qib Cfeem ntau yog nyob ntawm75-95 ksi (515-655 MPa). Qib tensile lub zog no ua rau nws haum raunruab nrab mus rau siab -siabdaim ntawv thov. Cov khoom muaj peev xwm tiv taus txhua yam kev ntxhov siab thiab thermal loads muaj nyob rau hauv cov hlab ntsha siab, kub exchangers, thiab boilers thaum tuav nws lub zog yam tsis muaj deforming nyob rau hauv siab.
Cov tshuaj muaj pes tsawg leeg ntawm ASME SA 662 Qib C yog dab tsi?
Covtshuaj muaj pes tsawg leegntawmASME SA 662 Qib Cfeem ntau suav nrogCov pa roj carbon(tsawg dua lossis sib npaug li 0.20%),Manganese (1.00–1.60%), Silicon (0.15–0.40%), Phosphorus(tsawg dua lossis sib npaug li 0.035%), thiabSulfur(tsawg dua lossis sib npaug li 0.035%). Cov ntsiab lus no pab kom muaj kev sib npaug ntawmzog, ductility, thiabweldability, ua kom haum raunruab nrab mus rau siab -siabkev siv hauvboilersthiabcov hlab ntsha siab.
Dab tsi yog kev lag luam feem ntau siv ASME SA 662 Qib C?
ASME SA 662 Qib Cyog siv feem ntau hauv kev lag luam uas xav tau cov hlab ntsha siab thiab boilers ua haujlwm ntawmnruab nrab mus rau qhov kub thiab txias. Nws yog feem ntau pom nyob rau hauv lubtshuaj, petrochemical, roj & roj, thiabtsim hluav taws xobindustries, qhov twg nws tshuav ntawmzogthiabductilityua rau nws zoo tagnrho rau fabrication ntawm cov khoom raug rau txhua yam thiab thermal stresses.
Chemical Composition (%):
| Element | Cov ntsiab lus |
|---|---|
| Cov pa roj carbon (C) | Tsawg dua los yog sib npaug li 0.20 |
| Manganese (Mn) | 1.00–1.60 |
| Silicon (Si) | 0.15–0.50 |
| Phosphorus (P) | Tsawg dua lossis sib npaug li 0.035 |
| Sulfur (S) | Tsawg dua lossis sib npaug li 0.035 |
Mechanical Properties (Mpa)
| Khoom | Qib C |
|---|---|
| Tensile zog | 515-655 MPa (75-95 ksi) |
| Yield zog (min) | 310 MPa (45 ksi) |
| Elongation (min) | 18% (hauv 200 mm) ib tsab |
| Kev xa khoom | Normalized (yuav tsum tau) |
1 Lub zog tawm ntawm ASME SA 662 Qib C yog dab tsi?
Covyield zogntawmASME SA 662 Qib Cyog yam tsawg kawg nkaus45 ksi (310 MPa). Qhov no txhais tau hais tias cov khoom tuaj yeem tiv taus kev ntxhov siab txog qhov no yam tsis muaj deformation mus tas li. Nws yog tsim los tswj lub siab nruab nrab thiab thermal kev nyuaj siab tab sis tsis zoo tagnrho rau siab - siab los yog huab cua puag ncig uas cov ntaub ntawv uas muaj zog yield ntau dua yuav tsum tau, xws liTIAB SA 516.
2 Cov tshuaj muaj pes tsawg leeg ntawm ASME SA 662 Qib C yog dab tsi?
Covtshuaj muaj pes tsawg leegntawmASME SA 662 Qib Cfeem ntau suav nrogCov pa roj carbon (0.18–0.23%), Manganese (0.60–0.90%), Silicon (0.15–0.40%), Phosphorus(tsawg dua lossis sib npaug li 0.035%), thiabSulfur(tsawg dua lossis sib npaug li 0.035%). Cov ntsiab lus no pab kom muaj kev sib npaug ntawmzog, ductility, thiabweldability, ua kom haum raunruab nrab mus rau siab -siabkev siv hauvboilersthiabcov hlab ntsha siab.
3 Dab tsi yog qhov zoo ntawm kev siv ASME SA 662 Qib C hauv kev tsim cov hlab ntsha siab?
Lub ntsiab kom zoo dua ntawm kev sivASME SA 662 Qib Cnyob rau hauv lub nkoj siab kev tsim kho yog nwsnqi-effectivenessua ke nrogzoo zog, ductility, thiabweldability. Cov khoom no ua rau nws zoo tagnrho raunruab nrab mus rau siab -siabib puag ncig, xws li hauvchemical uathiabtsim hluav taws xob. Nwstawvxyuas kom meej tias nws muaj peev xwm tiv taus txhua yam kev ntxhov siab, thaum cov khoom siv tau yooj yim tso cai rau nws los ua cov duab sib txawv rau cov qauv ntawm cov nkoj sib txawv.
4 Qhov cuam tshuam toughness ntawm ASME SA 662 Qib C yog dab tsi?
ASME SA 662 Qib Cmuab txauscuam tshuam toughnessntawmnruab nrab kub, ua rau nws resistant rau nkig tawg nyob rau hauv ib txwm ua hauj lwm tej yam kev mob. Txawm li cas los xij, nws tsis yog tsim los siv rau hauvDaim ntawv thov cryogeniclos yog ib puag ncig uas kub heev tuaj yeem cuam tshuam nws qhov toughness.
5 Cov kev txwv ntawm ASME SA 662 Qib C yog dab tsi?
ThaumASME SA 662 Qib Cyog qhov zoo tagnrho rau nruab nrab - kev siv siab, nws yogtsis haumrausiab heevlos yogsiab -kubib puag ncig. Rau cov ntawv thov xav tausiab -lub zogcov ntaub ntawv los yog cov uas tshaj800℃F (427 degree), cov ntaub ntawv zoo liTIAB SA 516los yogTIAB SA 537yuav tsum xav txog kev txhim khocreep kujthiabsiab - qhov kub thiab txias.
ASME SA 662 Qib C puas tuaj yeem welded?
Yog lawm,ASME SA 662 Qib Ctuaj yeem yogweldedsiv cov txheej txheem vuam xws lishielded hlau arc vuam (SMAW), Gas tungsten arc vuam (GTAW), thiabSubmerged arc vuam (SAW). Vim nwscov ntsiab lus carbon, tsim nyogpreheatingthiabpost-weld kev kho cua sov (PWHT)raug pom zoo kom txo qhov kev pheej hmoo ntawm kev tawg thiab ua kom cov khoom siv kev ruaj ntseg.
7 Dab tsi yog qhov weldability ntawm ASME SA 662 Qib C?
ASME SA 662 Qib Cmuaj zooweldability, ua rau nws tsim nyog rau kev koom nrog cov txheej txheem vuam xws liSMAW, GTAW, thiabSAW. Txawm li cas los xij, cov txheej txheem vuam kom raug thiabpreheatingyog qhov tseem ceeb, tshwj xeeb tshaj yog rau cov ntu tuab, txhawm rau tiv thaiv kev tawg thiab tswj cov khoom siv tom qab vuam.
Tiv tauj peb ntawm info@gneesteels.com rau tus nqi, kev txhawb nqa, lossis kev daws teeb meem. Peb yeej ib txwm npaj los txhawb koj qhov project.
