Nyob rau hauv lub ntiaj teb no ntawm stainless hlau, ob qib dominate lub lag luam:304 thiab 316.
Raws li tus neeg xa khoom nrog ntau tshaj 20 xyoo ntawm kev paub hauv kev lag luam, cov lus nug feem ntau kuv tau txais los ntawm cov thawj coj thiab cov kws ua haujlwm yog: "Puas yog nws tsim nyog them nyiaj ntxiv rau 316, lossis 304 puas txaus?"
Cov lus teb yog nyob ntawm koj daim ntawv thov ib puag ncig. Kev xaiv qib tsis raug tuaj yeem ua rau ob qho txiaj ntsig: cov nqi tsis tsim nyog (tshaj - qhia) lossis, qhov phem dua, kev puas tsuaj corrosion tsis ua haujlwm (hauv- qhia).
Ntawm no yog qhov kev sib cais meej los pab koj txiav txim siab yog.
- Qhov txawv ntawm Core:Nws yog txhua yam hais txog Molybdenum
Rau qhov muag liab qab, 304 thiab 316 stainless hlau zoo tib yam. Lawv yog ob qho tib si tsis yog-sib nqus (feem ntau), polished yooj yim, thiab muaj cov qauv zoo heev.
Qhov txawv yog nyob rau hauv chemistry:
304 (Tus Qauv): Muaj 18% Chromium thiab 8% Nickel. Nws yog ntau yam stainless hlau nyob hauv lub ntiaj teb.
316 (The Marine Qib): Muaj 16% Chromium, 10% Nickel, thiab qhov tseem ceeb, 2-3% Molybdenum.
Tswv yim Pro: Xav txog Molybdenum ua "cov ntaub thaiv npog." Nws tshwj xeeb txhim kho kev tiv thaiv rau pitting thiab crevice corrosion tshwm sim los ntawm chlorides (ntsev) thiab cov kuab tshuaj muaj.
- Thaum siv 304 Stainless Hlau
Qib 304 yog tus nqi - tau txais txiaj ntsig zoo. Nws yog qhov zoo tshaj plaws rau feem ntau cov ntawv thov sab hauv tsev thiab sab nraum zoov ib puag ncig deb ntawm ntug dej hiav txwv.
Xaiv 304 yog tias:
Tus nqi yog qhov tseem ceeb:Koj yuav tsum khaws cov phiaj xwm phiaj xwm nruj.
Kev siv sab hauv tsev:Cov khoom siv hauv chav ua noj, tes tuav, phab ntsa cladding, thiab cov rooj tog hauv tsev.
Khoom noj & dej haus:Cia lub tank, kav dej, thiab cookware (qhov twg ntsev concentration tsis yog qhov teeb meem).
Architecture:Lub tsev facades hauv cov nroog uas tsis yog- ntug hiav txwv dej.
- Thaum siv 316 Stainless Hlau
Qib 316 yog qhov "premium" xaiv rau qhov chaw hnyav. Thaum nws feem ntau raug nqi 30% -40% ntau dua 304 (vim cov nqi Nickel thiab Molybdenum), nws txuas ntxiv lub neej ntawm koj cov khoom lag luam.
Xaiv 316 yog tias:
Marine Environment:Txhua yam hauv 5-10km ntawm dej hiav txwv. Cov cua ntsev yuav xeb 304 sai sai (lub npe hu ua "Tea Staining").
Kev Siv Tshuaj:Koj tab tom tuav fatty acids, sulfuric acid, lossis chlorides.
Medical & Pharma:Cov cuab yeej phais thiab cov tshuaj tso tsheb hlau luam xav tau kom tsis muaj menyuam.
Sab nraum zoov rooj tog:Nyob rau hauv siab - av av los yog ntug hiav txwv dej.
- Summary : Txoj Kev Xaiv Tsa
- Xaus
Yog tias koj qhov project nyob ze ntawm lub hiav txwv los yog muaj cov tshuaj corrosive, tsis txhob txuag nyiaj ntawm cov khoom. Tus nqi hloov pauv ntawm rusted 304 yuav nyob deb tshaj qhov pib txuag. Txawm li cas los xij, rau kev tsim khoom thiab siv sab hauv tsev, 304 tseem yog tus qauv kev lag luam vim li cas.
Tseem tsis paub meej?
Peb pab neeg engineering tuaj yeem txheeb xyuas koj qhov project ib puag ncig thiab pom zoo rau qib zoo.
[ Hu rau peb hnub no kom muaj kev sib tham dawb thiab daim ntawv teev nqi tshiab.]
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