Lub zog tawm los ntawm ASME SA 517 Qib E yog dab tsi?
Qhov tsawg kawg nkaus yield zog ntawmASME SA 517 Qib Esiab hlab ntsha steel yog100 ksg(690 MPa ua)rau thicknesses txog li 2.5 nti. Rau cov phaj tuab dua li 2.5 ntiv tes mus txog 6 ntiv tes, qhov tsawg kawg nkaus tawm lub zog txo mus rau90 ksg(620 MPa rau).
ASME SA517 Qib E yog qib siab - tensile alloy steel feem ntau yog npaj rau kev siv welded hauv kev lag luam boiler thiab siab hlab ntsha. Nws tshwj xeeb chemistry, featuring Chromium thiab Molybdenum, tso cai rau nws mus cuag ib tug tempered martensitic qauv los ntawm cov txheej txheem quenching. Qhov no muab cov fabricator nrog cov khoom uas muaj peev xwm tiv taus siab heev thaum tseem weldable. Nws yog "thick-phaj" version ntawm 100-ksi yield steel tsev neeg, dav siv thaum lub nkoj tsim tshaj qhov thickness txwv ntawm cov qib sib zog alloy.
Cov yam ntxwv tseem ceeb
Weldability:Yuav welded siv SMAW, GMAW, thiab SAW txheej txheem nrog nruj cua sov- tswv yim tswj.
Superior Surface Finish:Feem ntau yog tsim los rau siab -cov qauv ntsuas lub nkoj zoo (PVQ).
Homogeneity:Kev pheej hmoo tsawg heev ntawm cov laminations sab hauv lossis kev suav nrog vim raug tua - steel xyaum.
Formability:Yuav ua tau kub- tsim yog ua raws li los ntawm kev ua tiav re-quenching thiab tempering voj voog.
Qib Qib
"SA":"S" sawv cev rau Tshooj II (Cov Khoom Siv) ntawm ASME Code. "A" qhia tias nws yog cov khoom siv Ferrous (hlau-raws li).
"517":Qhov no yog cov ntaub ntawv tshwj xeeb rau "Pressure Vessel Plate, Alloy Steel, High-Strength, Quenched and Tempered."
"Qib E":Qhov no txheeb xyuas cov tshuaj muaj pes tsawg leeg (Cr-Mo-Cu) thiab thickness ntau yam, tso cai rau cov phaj siab txog 6 ntiv tes (150 mm) tuab.
Kev sib piv (vs. SA514 Qib E)
Kev Ua Raws Cai:SA517 yog ASME code- pom zoo rau siab; SA514 yog rau cov qauv siv (ASTM).
Test Rigor:SA517 yuav tsum muaj kev cuam tshuam Charpy ntau dua thiab kev ntsuas tensile ib lub tshav kub.
Surface Standard:SA517 yuav tsum tau ua kom tau raws li qhov nruj dua Cov Khoom Siv Hluav Taws Xob Zoo (PVQ) nto.
Tsim Factor:ASME tso cai rau qhov kev ntxhov siab tshwj xeeb rau SA517 uas tsis siv rau SA514.
Cov ntawv thov siv
Industrial Steam Drums:Thawj qhov siab- tuav cov khoom ntawm cov boilers loj.
Chemical Scrubbers:Siab - cov tuam tsev siab siv los ntxuav roj.
Oxygen Storage Tanks:Siv nyob rau hauv kev kho mob thiab aerospace siab -siab tshuab.
Siab Piping Adapters:Cov khoom hloov pauv rau siab - kev nyuaj siab piping networks.
Dab tsi yog qhov kev xeem cuam tshuam rau SA517 Qib E?
ASME SA517 Qib E yuav tsum tau kuaj xyuas kom ntseeg tau tias cov khoom tuav nws qhov hnyav ntawm qhov kub thiab txias. Qhov kev ntsuas cuam tshuam feem ntau ua tiav ntawm 0℃F (-18 degree) kom ntseeg tau tias cov khoom tuaj yeem nqus tau lub zog yam tsis muaj kev tawg. Qhov tsawg kawg nkaus lub zog nqus ntawm 20 ft-lbs (27 J) feem ntau yuav tsum tau, ua kom cov khoom siv tau zoo nyob rau hauv ib puag ncig uas muaj qhov kub thiab txias.
Brinell hardness rau SA517 Qib E yog dab tsi?
Brinell hardness rau ASME SA517 Qib E feem ntau yog nyob ntawm 190 txog 235 HB. Qhov ntau ntawm hardness no ua kom cov khoom tuav nws lub zog thiab tsis kam hnav thaum tseem tso cai rau weldability zoo. Qib hardness yog optimized kom sib npaug zog, ductility, thiab kuj rau deformation, ua rau nws haum rau siab - siab daim ntawv thov nyob rau hauv xav tau kev lag luam xws li roj thiab roj.
Dab tsi yog kev siv SA517 Qib E?
ASME SA517 Qib E yog siv feem ntau hauv kev tsim cov hlab ntsha siab, cov khoom siv hluav taws xob, thiab cov khoom siv boiler uas yuav tsum tau tiv taus qhov kub thiab txias. Nws yog qhov zoo tshaj plaws rau kev siv hauv kev lag luam xws li kev tsim hluav taws xob, kev ua lag luam petrochemical, thiab kev tsim vaj tsev hnyav, qhov twg lub zog, tawv, thiab tsis kam mus rau qhov kub thiab txias yog qhov tseem ceeb.
Chemical Composition thiab Mechanical Properties:
| SA517 qib E tshuaj muaj pes tsawg leeg | |||||
| Qib | Cov ntsiab lus Max (%) | ||||
| C | Si | Mn | P | S | |
| SA517 qib E | 0.10-0.22 | 0.08-0.45 | 0.35-0.78 | 0.035 | 0.035 |
| Cr | Mo | B | Ti | V | |
| 1.34-2.06 | 0.36-0.64 | 0.001-0.005 | 0.005-0.11 | ||
| Qib | SA517 qib E Mechanical Property | |||
| Thickness | Yield | Tensile | Elongation | |
| SA517 qib E | mm | Min Mpa | Mpa | Tsawg% |
| 6-65 | 690 | 795-930 | 16% | |
| 65-150 | 620 | 725-930 | 14% | |
1. Cov ntsiab lus phosphorus hauv SA517 Qib E yog dab tsi?
Cov ntsiab lus phosphorus hauv ASME SA517 Qib E yog txwv rau qhov siab tshaj plaws ntawm 0.035%. Phosphorus tuaj yeem ua rau embrittlement, tshwj xeeb tshaj yog thaum vuam. Ua kom cov phosphorus qis qis ua kom cov khoom tuav nws lub zog thiab lub zog, tshwj xeeb tshaj yog nyob rau hauv cov ntawv thov uas siab -siab tsis kam thiab cov khoom siv kho tshuab tseem ceeb heev.
2. Cov ntsiab lus carbon hauv SA517 Qib E yog dab tsi?
Cov ntsiab lus carbon hauv ASME SA517 Qib E feem ntau yog li ntawm 0.15% txog 0.20%. Cov ntsiab lus qis carbon no txhim kho cov hlau weldability thaum tuav nws lub zog thiab toughness. Cov ntsiab lus ntawm cov pa roj carbon monoxide tswj xyuas kom cov khoom khaws cia nws cov qib siab - kev ua tau zoo yam tsis muaj qhov nkig lossis nyuaj rau kev ua haujlwm nrog, txawm tias nyob rau hauv siab - qhov kub thiab txias.
3. Dab tsi yog qhov zoo ntawm kev siv SA517 Qib E?
Cov txiaj ntsig tseem ceeb ntawm kev siv ASME SA517 Qib E suav nrog nws lub zog siab, weldability zoo heev, thiab ua haujlwm rau siab - qhov kub thiab txias. Nws toughness ntawm qhov kub thiab txias kom ntseeg tau tias nws tuaj yeem siv rau hauv ib puag ncig uas lwm cov ntaub ntawv tuaj yeem ua nkig. Nws kuj muaj cov machinability zoo, ua rau nws tsim nyog rau fabrication rau hauv complex qhov chaw rau siab hlab ntsha thiab lwm yam tseem ceeb Cheebtsam.
4. Dab tsi yog manganese cov ntsiab lus hauv SA517 Qib E?
Manganese ua lub luag haujlwm tseem ceeb hauv ASME SA517 Qib E los ntawm kev txhim kho cov khoom siv zog, tawv, thiab tawv. Nws kuj tseem txhim kho cov hlau muaj peev xwm tiv taus hnav thiab tsim kua muag. Manganese yog ib qho tseem ceeb alloying ntsiab nyob rau hauv siab - lub zog steels thiab pab txhim kho cov khoom muaj peev xwm tiv taus siab - qhov kub thiab txias, ua rau nws zoo tagnrho rau kev siv lub nkoj siab thiab cov tshuab hnyav.
5. Weldability ntawm SA517 Qib E yog dab tsi?
ASME SA517 Qib E feem ntau suav tias yog vuam, tab sis vim nws lub zog siab thiab cov ntsiab lus alloy, yuav tsum tau saib xyuas thaum lub sijhawm vuam. Preheating, tswj cua txias, thiab tom qab-weld heat treatment (PWHT) feem ntau tsim nyog los tiv thaiv kev tawg thiab kom ntseeg tau tias cov pob qij txha welded muaj tib yam khoom siv raws li cov khoom siv hauv paus. Kev xaiv cov khoom muab tub lim kom raug kuj tseem ceeb.
6. Dab tsi yog cov ntsiab lus ntawm silicon hauv SA517 Qib E?
Cov ntsiab lus silicon hauv ASME SA517 Qib E feem ntau yog li ntawm 0.15% txog 0.40%. Silicon yog ib qho tseem ceeb uas yuav pab txhim kho cov hlau deoxidation thiab tiv taus siab -kub oxidation. Nws pab txhawb rau cov khoom siv lub zog thiab kub ua haujlwm, uas yog qhov tseem ceeb tshwj xeeb rau cov ntawv thov uas muaj kev kub siab - kub, siab - cov xwm txheej siab, xws li hauv cov hlab ntsha thiab cov reactors.
7. Dab tsi yog sulfur ntsiab lus hauv SA517 Qib E?
Cov ntsiab lus sulfur hauv ASME SA517 Qib E yog txwv rau qhov siab tshaj plaws ntawm 0.035%. Cov ntsiab lus tsis tshua muaj leej faj yog qhov tseem ceeb los xyuas kom meej tias cov khoom tseem nyob twj ywm thiab tsis muaj kev suav nrog uas tuaj yeem ua rau tawg lossis tsis muaj zog. Qhov no yog ib qho tseem ceeb tshwj xeeb tshaj yog thaum cov khoom raug siab - cov kev mob siab los yog thaum lub sij hawm vuam txheej txheem.
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
