Daim ntawv thov ntawm 304 thiab 316 stainless hlau hauv kev ua haujlwm
Daim ntawv thov ntawm 304 thiab 316 stainless hlau hauv kev ua haujlwm
304 thiab 316 stainless hlau yog qhov tseem ceeb hauv kev ua haujlwm . 304 stainless hlau yog ntau yam thiab tus nqi- zoo, zoo tagnrho rau cov kev siv dav dav xws li chav ua noj thiab kev tsim khoom yooj yim vim nws cov corrosion kuj zoo heev . 316 stainless hlau, nrog rau qhov sib ntxiv ntawm molybdenum, yog zoo resistant rau chlorides thiab corrosive tshuaj, kev siv tshuaj, thiab kev siv tshuaj lom neeg), ua rau nws tus nqi siab dua tsim nyog rau cov ntawv thov uas xav tau kev ua haujlwm siab heev. Tus yuam sij yog sib npaug tus nqi nrog cov kev tiv thaiv corrosion uas xav tau rau ib puag ncig tshwj xeeb.
Dab tsi yog cov ntawv thov ntawm 316 stainless hlau?
316 stainless hlau feem ntau yog siv rau hauv cov corrosive heev thiab siab -cov ntsev ib puag ncig vim nws cov tshuaj tiv thaiv zoo heev rau chlorides thiab tshuaj corrosive. Nws yog qhov zoo tshaj plaws rau kev siv dej hiav txwv (hull fittings, kev tsim kho ntawm ntug dej hiav txwv), cov khoom siv tshuaj thiab tshuaj (cov thawv ntim khoom, cov khoom siv ua haujlwm, cov rooj zaum hauv chav kuaj), thiab kev ua zaub mov. Nws cov kav ntev thiab corrosion kuj ua rau nws haum rau siab - cov ntawv siv kub, xws li cov khoom siv hluav taws xob thiab cov hlab ntsha siab.
Dab tsi yog 304 Stainless Hlau?
AISI 304, tseem hu ua 18/8 stainless hlau, yog austenitic stainless hlau. Nws muaj 18% chromium thiab 8% npib tsib xee, nrog rau cov ntsiab lus siab tshaj plaws ntawm 0.08%. Cov ntsiab lus chromium siab nyob rau hauv 304 stainless hlau muab nws zoo heev corrosion kuj, tshwj xeeb tshaj yog nyob rau hauv cov nqe lus ntawm oxidation thiab acid corrosion kuj. Tsis tas li ntawd, lub xub ntiag ntawm npib tsib xee txhim kho cov hlau txoj kev tsim, weldability, thiab ductility.
304 stainless hlau yog renowned rau nws versatility thiab yog dav siv nyob rau hauv cov khoom noj khoom haus, kitchenware, architectural kho kom zoo nkauj, thiab automotive qhov chaw. Nws zoo formability thiab weldability ua rau nws yooj yim rau txheej txheem rau ntau yam duab thiab qhov chaw. Tsis tas li ntawd, piv nrog rau lwm cov qib siab - zoo stainless hlau alloys, 304 stainless hlau yog tus nqi pheej yig, ua rau nws xaiv kev lag luam rau ntau qhov haujlwm.
Dab tsi yog 316 Stainless Hlau?
Hom 1.4401 thiab 1.4404 stainless hlau sib haum rau qib 316 thiab 316L, feem.
Hauv cov ntawv thov kev lag luam, qib 316 yog qib thib ob siv ntau tshaj tom qab 304.
316 yog ib qho austenitic stainless hlau alloy nrog lub melting point ntawm 1371℃mus rau 1399 degree, lub zog tensile txog li 579 MPa (84 ksi), thiab qhov siab tshaj plaws kev pab kub ntawm kwv yees li 800 degree.
Tag nrho cov austenitic stainless hlau muaj cov ntsiab lus siab ntawm chromium thiab npib tsib xee, yog li muaj ntau yam khoom zoo heev, suav nrog lub zog siab heev thiab superior corrosion kuj.
Tsis tas li ntawd, 316 muaj molybdenum, feem ntau ntawm cov ntsiab lus ntawm li 2%, uas txhim kho nws cov alkalis, acids, chloride pitting corrosion, thiab crevice corrosion nyob rau hauv chloride ib puag ncig.
Vim tias qhov sib ntxiv ntawm molybdenum thiab cov ntsiab lus nickel ntau dua, 316 steel yog kim dua li 304 steel. Yog li ntawd, kev nkag siab thaum xav tau 316 steel thiab thaum 304 steel zoo kawg nkaus haum rau txoj haujlwm no yog qhov tseem ceeb.
Cov tshuaj muaj pes tsawg leeg ntawm 304 stainless hlau thiab 316 stainless hlau
| Qib | C | Si | Mn | P | S | N | Cr | Ni | Mo |
|---|---|---|---|---|---|---|---|---|---|
| 304 | 0.07 | 1.00 | 2.00 | 0.045 | 0.015 | 0.10 | 17.5 - 19.5 | 8.0 - 10.5 | - |
| 316 | 0.07 | 1.00 | 2.00 | 0.045 | 0.015 | 0.10 | 16.5 - 18.5 | 10.0 - 13.0 | 2.0 - 2.5 |
Lub cev muaj zog sib piv: 304 Stainless Hlau vs 316 Stainless Hlau
| Khoom | 304 Stainless hlau (UNS S30400) | 316 Stainless hlau (UNS S31600) |
|---|---|---|
| Qhov ntom | 8.00 g / cm³ | 8.00 g / cm³ |
| Melting Range | 1400-1450 degree | 1375-1400 degree |
| Thermal conductivity (20 degree) | 16.2 W/m·K | 16.3 W/m·K |
| Tshwj xeeb kub muaj peev xwm (20 degree) | 500 J/kg · K | 500 J/kg · K |
| Coefficient ntawm Thermal Expansion (20-100 degree) | 17.2 μm / m · degree | 16.0 μm / m · degree |
| Modulus ntawm Elasticity | 193 gp ua | 193 gp ua |
| Hluav taws xob tiv thaiv (20 degree) | 0.72 μΩ·m | 0.74 μΩ·m |
| Sib nqus Permeability (Annealed) | Tsis yog-magnetic (austenitic) | Tsis yog-magnetic (austenitic) |
| Poisson tus ratio | 0.29 | 0.29 |
| Hardness (Annealed) | 150-200 HB | 150-200 HB |
| Qhov Kev Pab Cuam Siab Tshaj Plaws (Nruam) | ≈ 870 degree | ≈ 870 degree |
| Thermal diffusivity (20 degree) | 4.0 mm² / s | 4.1 mm² / s |
| Thermal Expansion (20-400 degree) | 18.0 μm / m · degree | 17.5 μm / m ° C |
| Specific Gravity | 8.00 | 8.00 |
| Thermal conductivity (500 degree) | 21.5 W/m·K | 21.5 W/m·K |
| Tshwj xeeb kub (100 degree) | 530 J/KG | 530 J/KG |
Qhov zoo ntawm 304 thiab 316 stainless hlau hauv kev ua haujlwm
Qhov zoo ntawm 316 Stainless Hlau:
* Zoo heev corrosion kuj - withstands muaj zog acids, alkalis, thiab ntsev dej, txo cov khoom puas.
* Zoo tagnrho rau siab - daim ntaub ntawv purity - haum rau kev lag luam tshuaj, biotechnology, thiab zaub mov ua lag luam uas muaj kev tu cev thiab kev tiv thaiv kab mob.
* Kev tiv thaiv rau pitting thiab crevice corrosion - ua tau zoo heev hauv CIP (hauv -situ tu) cov tshuab uas muaj cov tshuaj corrosive.
* Cov ntawv thov - tsim los rau cov cheeb tsam nyuaj, xws li kev tsim tshuaj, chaw sim tshuaj biotechnology, thiab kev ua zaub mov acidic.
Qhov zoo ntawm 304 Stainless Hlau:
* Tus nqi -zoo - kev lag luam ntau dua 316, ua rau nws xaiv kev lag luam rau kev ua haujlwm.
* Zoo corrosion kuj - tiv taus oxidation thiab tsis muaj zog acids, haum rau ntau hom zaub mov thiab dej haus ua daim ntawv thov.
* Cov ntawv thov - zoo tagnrho rau kev ua zaub mov thiab dej haus txhua hnub, xws li brewing tanks thiab cov kav dej.
Kev siv ntawm 304 thiab 316 stainless hlau hauv kev ua haujlwm
Ob leeg 304 thiab 316 stainless hlau yog dav siv nyob rau hauv ntau yam kev lag luam, tab sis lawv cov kev siv tshwj xeeb sib txawv vim muaj kev hloov pauv hauv kev tiv thaiv corrosion, tshuaj lom neeg raug, thiab ib puag ncig. Qhov kev xaiv ntawm 304 thiab 316 stainless hlau yog nyob ntawm kev ua haujlwm tshwj xeeb, raug rau cov khoom corrosive, thiab kev tu cev thiab kev nyab xeeb.
Kev siv ntawm 304 Stainless Hlau
Khoom noj khoom haus thiab dej haus - Siv nyob rau hauv daim ntawv thov uas yuav tsum tau ib tug nruab nrab corrosion kuj, xws li cia tank, piping, thiab kub exchangers.
Piv txwv li, 304 stainless hlau feem ntau yog siv rau hauv cov kav dej thiab npias fermentation tanks; nws cov oxidation tsis kam thiab tsis muaj zog acids txaus rau kev nyab xeeb.
Kev siv ntawm 316 Stainless Hlau
Kev ua tshuaj lom neeg - Vim nws zoo heev corrosion kuj, 316 stainless hlau yog tsim nyog tshaj 304 stainless hlau rau ib puag ncig raug rau acidic los yog heev corrosive tu cov neeg ua hauj. Txawm li cas los xij, zoo li 304 stainless hlau, 316 stainless hlau kuj tseem tuaj yeem nthuav tawm corrosion tawg thaum tiv nrog cov tshuaj chlorides.
Pharmaceutical thiab Biotechnology Equipment - Siv nyob rau hauv ultrapure ua ib puag ncig uas tiv thaiv kev kis kab mob yog qhov tseem ceeb.
Piv txwv li, 316 stainless hlau yog cov khoom ntawm kev xaiv rau cov tshuaj reactors thiab biotechnology cia tso tsheb hlau luam, ua kom muaj kev ntseeg siab nyob rau hauv ib puag ncig zoo tswj.
Gnee Steel tshwj xeeb hauv kev tsim khoom ntawm ntau yam khoom siv stainless hlau. Gnee Steel cov khoom ntim khoom suav nrog: Hlau Strapping: Cov kav dej nrog ib txoj kab uas hla ntawm 3 ntiv tes los yog tsawg dua yog feem ntau khi ua ke nrog polypropylene zaj duab xis los tiv thaiv xeb thaum thauj dej hiav txwv, thiab tom qab ntawd khi nrog cov hlua hlau. Ntoo Cases / Crates: Cov kav dej feem ntau yog ntim rau hauv cov rooj ntoo lossis cov thawv los tiv thaiv cov kav dej thaum lub sij hawm thauj mus los, tshwj xeeb tshaj yog cov uas ntev dua los yog muaj qhov loj dua. Seaworthy Export Ntim: Cov neeg muag khoom feem ntau siv cov txheej txheem seaworthy export ntim, uas tuaj yeem suav nrog ntau yam khoom siv thiab cov txheej txheem los tiv thaiv cov kav dej thaum thauj. Tarpaulin Ntim: Qhov no tiv thaiv los nag, dej hiav txwv, thiab lwm yam sab nraud los ntawm kev nkag mus rau lub thawv xa khoom thaum thauj. Gnee Steel tshwj xeeb hauv kev tsim thiab muag cov ntaub ntawv alloy. Gnee Steel cov khoom siv dav siv hauv aerospace, tshuaj, hluav taws xob, tsheb, thiab hluav taws xob nuclear, thiab peb tuaj yeem muab cov khoom siv alloy customized raws li cov neeg siv khoom xav tau. Rau cov khoom siv alloy pricing lossis customized alloy cov ntaub ntawv daws teeb meem, thov hu rau peb rau ib qho kev tsocai:ru@gneesteelgroup.com