Dab tsi yog ovm 312 304 cov yeeb nkab?
ATM A 312 304 Cov Yeeb Nkabyog ib qho seamless lossis welded ustenitic stainless hlau yeeb nkab nrog kev tsim qauv 304, tsim nyob rau hauv nruj ua raws li astm A312 / A312M qauv.
ASTM A312 yog tus qauv qhia thoob ntiaj teb rau kev sib khi, welded, thiab hnyav txias - kub thiab feem ntau corrosive daim ntawv thov. Txoj Cai Tsis Txaus Ntseeg S30400 yog cov qib feem ntau siv ntawm cov hlau tsis tshua muaj ntawm cov hlau tsis muaj zog, ua rau cov ntsiab lus ntawm kwv yees li 18% chromium thiab 8% npib tsib xee. Nws muaj cov tshuaj tiv thaiv corrosion zoo heev, cov khoom siv zoo, thiab kev ua haujlwm tshwj xeeb thiab weldability.
Yog li, "ATTM 312 304 Cov yeeb nkab hlau" cov khoom siv neeg siv tshuaj tshwj xeeb uas tau raws li cov tshuaj lom neeg uas tau ua raws li cov tshuaj lom neeg uas tau ua raws li cov tshuaj tiv thaiv.
ATM A 312 304 sTeel Yeeb Nkab Daim Ntawv Loj
Hauv qab no yog cov lus teev cov npe uas muaj cov yeeb nkab nominal ntau thiab tsawg) thiab lawv cov qauv sib txawv rau seamless lossis welded ovtm A312 yeeb nkab.
|
Nominal yeeb nkab loj (nps) |
Sab nraud ntawm lub cheeb (od) [nti] |
Sab nraud ntawm lub taub (OD) [hli] |
Sijhawm (Sch) |
Phab Ntsa Thickness (Wt) [Nti] |
Phab Ntsa Thickness (Wt) [Hli] |
|
1/2 |
0.840 |
21.3 |
5S |
0.065 |
1.65 |
|
10S |
0.083 |
2.11 |
|||
|
40S |
0.109 |
2.77 |
|||
|
80S |
0.147 |
3.73 |
|||
|
1 |
1.315 |
33.4 |
5S |
0.065 |
1.65 |
|
10S |
0.109 |
2.77 |
|||
|
40S |
0.133 |
3.38 |
|||
|
80S |
0.179 |
4.55 |
|||
|
2 |
2.375 |
60.3 |
5S |
0.065 |
1.65 |
|
10S |
0.109 |
2.77 |
|||
|
40S |
0.154 |
3.91 |
|||
|
80S |
0.218 |
5.54 |
|||
|
4 |
4.500 |
114.3 |
5S |
0.083 |
2.11 |
|
10S |
0.120 |
3.05 |
|||
|
40S |
0.237 |
6.02 |
|||
|
80S |
0.337 |
8.56 |
|||
|
6 |
6.625 |
168.3 |
5S |
0.109 |
2.77 |
|
10S |
0.134 |
3.40 |
|||
|
40S |
0.280 |
7.11 |
|||
|
80S |
0.432 |
10.97 |
|||
|
8 |
8.625 |
219.1 |
5S |
0.109 |
2.77 |
|
10S |
0.148 |
3.76 |
|||
|
40S |
0.322 |
8.18 |
|||
|
80S |
0.500 |
12.70 |
ATM A 312 304 Daim Ntawv Qhia Tshwj Xeeb
ASTM A312 TP304 Stainless Hlau Yeeb Nkab npog cov khoom siv tshuaj yeeb yaj kiab, cov khoom siv mechanical thiab kev tsim khoom.
ATM A 312 304Tshuaj Muaj Tshuaj
|
Muaj pes tsawg |
TPP30 (UNRNT S30400) |
|
Carbon, c |
Tsawg dua los yog sib npaug rau 0.08 |
|
Chromium, cr |
18.0-20.0 |
|
Npib tsib xee, ni |
8.0-11.0 |
|
Manganese, mn |
Tsawg dua los yog sib npaug rau 2.00 |
|
Silicon, si |
Tsawg dua los yog sib npaug rau 1.00 |
|
Phosphorus, p |
Tsawg dua los yog sib npaug rau 0.045 |
|
Sulphur, s |
Tsawg dua los yog sib npaug rau 0.030 |
|
Molybdenum, mo |
- |
|
Nitrogen, n |
Tsawg dua los yog sib npaug rau 0.10 |
|
Hlau, FE |
Seem |
ASTM A 312 304} Cov Khoom Siv Neeg Kho Tshuab
|
Cov Cuab Yeej Cuab Yeej Cuab Yeej |
Tus nqi |
Tus nqi SI |
Kuaj tus qauv |
|
Lub zog tensile |
Ntau dua los yog sib npaug rau 75 ksi |
Ntau dua los yog sib npaug rau 515 MPa |
ASTM A370 |
|
Paib lub zog |
Ntau dua los yog sib npaug rau 30 ksi |
Ntau dua los yog sib npaug rau 205 MPa |
ASTM A370 |
|
Elongation nyob rau hauv 2 hauv. Lossis 50 hli |
Ntau dua los yog sib npaug rau 35 |
Ntau dua los yog sib npaug rau 35% |
ASTM A370 |
|
Brinell hardness |
201 hbw |
Tsawg dua los yog sib npaug rau 201 |
Astm E10 |
|
Rockwell Hardness |
92 hrw |
Tsawg dua los yog sib npaug rau 92 |
ASTM E18 |
ATM A 312 304 lub cevPDaim Ntawv Qhia Roperties
|
Cuab yeej |
Tus nqi |
|
Ceev |
8.0 g / cm3 |
|
Melting ntau |
1399 - 1454 degree |
|
Cov cua sov tshwj xeeb |
0.50 J (G (G) |
|
Hluav taws xob tiv thaiv hluav taws xob |
7.2 x 10-7 Ω·m |
|
Tus txheeb ze sib nqus permeability |
1.003 |
|
Modulus ntawm elasticity, e |
193 GPA |
ASTM A312 TPP04 KANCAL COV KHOOM
|
Cov cuab yeej thermal |
Qhov kub thiab txias [∘c] |
Tus nqi |
|
Lub ntsiab lus coefficient ntawm thermal expansion |
20 - 100 |
17.2 μm / (Mhasrcev) |
|
20 - 300 |
17.8 μm / (Mhasrcev) |
|
|
20 - 500 |
18.4 μm / (Mhasrcev) |
|
|
Thermal conductivity |
20 |
16.2 w / (myree) |
|
100 |
16.3 w / (myree) |
|
|
500 |
21.5 W / (Math Qib) |
ATM A 312 304 cov ntaub ntawv hlau steel
Kev lag luam thiab dej haus ua kev lag luam
Kev thauj mus nqus dej, kab mis, npias fermentation tank thiab cov khoom ntim kev sib txuas, thiab huv si hloov cov tshuab.
304 Hlau muaj qhov zoo tsis yog- kev lom zem thiab kev tiv taus rau cov khoom noj acids thiab alkalis. Nws yog ib qho yooj yim los ntxuav thiab sterilize ruaj khov, thiab tseem nyob ruaj khov thaum high- kub kom tsis muaj menyuam, sib tham cov qauv kev tu cev.
Tshuaj lom neeg thiab petrochemical Industries
Tsawg -} {}}}}}}}} Kev Siv Roj Ntsuas thiab Cov Roj Kev Sib Txuas, Thiab Tsis Ke} Qhov Chaw Kub Hluav Taws Xob Hluav Taws Xob.
Haum rau cov txheej txheem kov ntau cov medly corrosive media. Nws lub zog siab thiab zoo heev weldability ntsib kev nyab xeeb thiab durability xav tau ntawm petrochemical piping tshuab.
Dej Kho thiab Khoom Cov Tshuab
Cov kav dej thiab cov cuab yeej sib txuas hauv cov khoom siv dej hauv nroog, siab -}}} kev kho cov nroj tsuag.
304 Hlau zoo tsis kam lees chloride thiab microbial corrosion thiab microbial corrosion hauv cov dej ntshiab tsis huv thiab kev tiv thaiv kev ua haujlwm ntev, tiv thaiv kev xeb cov pa roj carbon steel.
Kev Tsim Kho Thiab Kho Kom Zoo Nkauj Engineering
Lub tsev teeb tsa kev txhawb nqa, xuas tes ua, kab hlau rhuav thaiv phab ntsa pab txhawb nqa, thiab cov piping zoo nkauj rau kev kos duab ib puag ncig.
304 Stainless hlau yeeb nkab muaj cov zoo nkauj zoo nkauj, atmospheric corrosion, thiab muaj zog siab {2} txoj kev qoj ib ce. Thaum raug rau cov huab cua me me, nws tau tuav txoj kev du ntev ntev, txo cov kev saib xyuas.
Kev lag luam thiab tshuab raug
Cov cuab yeej siv hluav taws xob thiab tshuab luam ntawv thiab cov khoom siv zowing, papermaking kev lag luam pipelines, thiab ntau yam kev lag luam roj tsheb dav hlau.
Raws li qhov dav dav - hom phiaj engineering cov khoom, 304 steel zoo heev ua haujlwm thiab kev xaiv nyiaj txiag rau cov khoom lag luam hauv ntau cov cuab yeej siv thiab cov khoom lag luam AUXILIALY.
Vim li cas Astm 312 304 Cov yeeb nkab steel thiaj li nrov?
Zoo heev corrosion thiab cua sov ua kom tsis kam
304 Stainless hlau yeeb nkab muaj kwv yees li 18% chromium thiab 8% npib tsib, sib sau cov qauv autenent muaj zog. Chromium cov ntawv ib chromium oxide passive zaj duab xis ntawm cov hlau saum npoo av, muab kev tiv thaiv zoo heev rau cov xov xwm atmospheration, thiab corrosion nyob rau ntau yam media.
Nws tseem ua rau cov khoom ua pov thawj high - kub oxidation tsis kam thiab tuaj yeem tsim nyog rau high- kub cov hloov pauv thiab rhaub.
Zoo heev tasinability
Raws li ib tug neeg nquag ua rau tus neeg hlau tsis muaj roj Nws tuaj yeem yooj yim tsim rau hauv seamless kav dej ntawm ntau qhov ntau thiab tsawg thiab phab ntsa thicknesses los ntawm cov khaub noom txias lossis cov kav dej txias, lossis cov kav dej txias los ntawm cov vuam.
Nws tseem ua pov thawj zoo heev Vowerability thiab tuaj yeem koom nrog siv cov qauv kev sib tw ntau tshaj plaws, nrog pos} Weld annealing feem ntau tsis tas yuav. Nws cov siab tawv thiab lub zog ua kom muaj zog ua tau raws li cov kev xav tau ntawm cov neeg yuav khoom.
Nqi txiaj ntsig
Ntawm tag nrho cov tshuaj tiv thaiv stainless hlau, 304 qib muaj cov ntsiab lus tsib xee tsawg dua thiab cov khoom siv ntau tshaj plaws hauv cov khoom siv rawes nqi.
Piv rau lwmy -} alloy, siab} Kev tiv thaiv corrosion- Cov yeeb nkab steel, 304 steel yeeb nkab muaj tus nqi qis dua.
Ntau yam Muaj Cov Ntawv Thov
304 Stainless hlau yeeb nkab yog cov khoom seem hla ntau yam kev lag luam.
Nws yog dav siv hauv cov khoom noj huv si, cov khoom siv kho mob, ntim khoom siv cov khoom siv thiab cov raj roj av, tsev tsim qauv, thiab khoom siv hauv tsev. Nws ua raws nrog cov qauv thoob ntiaj teb xws li ASTM A312 kom cov qauv txheej txheem ua ke thiab cuam tshuam nrog thoob ntiaj teb cov saw hlau.
