Hauv kev tsim kho dej thiab kev tso dej, kev tiv thaiv hluav taws, lossis kev tsim cov kav dej, ib lo lus nug nquag tshwm sim: "Stainless steel yeeb nkab lossis galvanized steel yeeb nkab - uas yog qhov kev xaiv zoo?" Qhov kev txiav txim siab no cuam tshuam txog kev nyab xeeb ntawm qhov project, tus nqi, thiab lub sijhawm ntev - kev cia siab rau kev ua haujlwm. Txawm hais tias ob qho tib si yog cov kev xaiv kav hlau, lawv cov kev ua tau zoo thiab cov ntawv thov zoo sib txawv heev.
Raws li cov kws tshaj lij cov yeeb nkab tsim khoom, peb nkag siab tias kev xaiv nrawm tuaj yeem ua rau yav tom ntej xau, xeb, thiab kev saib xyuas kim. Txhawm rau pab koj taug qab qhov kev xaiv tseem ceeb no, peb tau rhuav tshem tsib qhov kev txiav txim siab tseem ceeb - ua yam uas koj yuav tsum xav txog.
Factor 1: Corrosion Resistance & Rust Mechanism (Qhov txawv ntawm Core)
Qhov no yog qhov tseem ceeb tshaj qhov sib txawv, ncaj qha txiav txim siab ntawm cov yeeb nkab txoj kev pab cuam lub neej thiab cov chaw tsim khoom siv.
Galvanized steel yeeb nkab: "Passive" tiv thaiv. Nws cov khoom siv yog carbon steel, coated nrog ib txheej ntawm zinc los ntawm cov txheej txheem kub -dip. Cov txheej zinc no ua raws li "sacrificial anode," txhais tau tias nws corrodes ua ntej los tiv thaiv cov hlau hauv qab. Txawm li cas los xij, thaum cov zinc txheej no raug khawb, hnav, lossis siv, cov hlau raug hauv qab yuav xeb sai.
Stainless hlau yeeb nkab: "Active" tiv thaiv. Nws cov tseem ceeb kuj nyob rau hauv cov khoom nws tus kheej, uas muaj tshaj 12.5% Chromium (xws li, 304 stainless hlau muaj 18% Chromium). Upon exposure to oxygen, chromium forms an extremely dense, invisible surface layer called the "passive film." Cov yeeb yaj kiab no ua raws li kev thaiv, cais cov hlau los ntawm cov khoom corrosive, thiab nws tuaj yeem kho tus kheej - kho yog tias puas.
Peb Cov Kev Pom Zoo Tshaj Plaws:
Rau cov av noo, chemically corrosive ib puag ncig (xws li cov chaw ntug dej hiav txwv, cov nroj tsuag tshuaj, cov hauv av hauv av) lossis thaum xa cov xov xwm corrosive, cov yeeb nkab steel hlau yog tib txoj kev xaiv. Galvanized steel kav tsuas yog tsim rau qhuav, zoo tib yam atmospheric tej yam kev mob.
Yam 2: Kev Pabcuam Lub Neej & Tus Nqi Tag Nrho Cov Tswv Cuab
Tus nqi pib yuav khoom tsuas yog ib feem ntawm zaj dab neeg. Ib txoj hauv kev ntse dua yog los suav cov kav xa dej Tag Nrho Tus Tswv Cuab (TCO).
Galvanized Steel Yeeb Nkab: Nws boasts tus nqi qis dua, uas yog nws qhov zoo tshaj plaws. Txawm li cas los xij, nws lub neej kev pab cuam luv luv. Tshwj xeeb tshaj yog nyob rau hauv ib puag ncig hnyav, teeb meem xws li xeb thiab xau tuaj yeem tshwm sim hauv tsawg li 5-10 xyoo. Cov nqi tom ntej rau kev kho, tu, thiab hloov ntxov ntxov tuaj yeem ua tau ntau heev.
Stainless Hlau Yeeb Nkab: Thaum qhov kev nqis peev thawj zaug yog siab dua, nws lub neej ua haujlwm ntev heev (mus txog 50 xyoo lossis txawm tias 100 xyoo nyob rau hauv qhov chaw tsim nyog) yuav tshem tawm tom qab kev tu thiab hloov cov nuj nqis. Thaum saib tag nrho qhov project lifecycle, nws Cov Nqi Tag Nrho Cov Tswv Cuab feem ntau qis dua li cov kav hlau galvanized.
Lub Ntsiab Lus Txiav Txim Siab:
Yog tias koj tab tom ua haujlwm luv luv -lub sijhawm, qis- phiaj xwm peev hauv ib puag ncig qhuav uas qhov ntev - lub sijhawm ua haujlwm tsis tseem ceeb, galvanized steel yuav ua tau. Txawm li cas los xij, yog tias koj ua qhov tseem ceeb ntev - lub sij hawm kev ntseeg siab thiab txo qis tus nqi ntawm lub neej, stainless hlau yog qhov kev xaiv tsis tau.
Yam 3: Lub zog, Kev ntsuas siab & Kev cuam tshuam tsis zoo
Ob hom yeeb nkab feem ntau ua tau raws li qhov yuav tsum tau ua rau feem ntau cov qauv siv, tab sis lawv cov khoom siv los sib txawv.
Galvanized Steel Yeeb Nkab: Nws cov pa roj carbon steel lub hauv paus muab lub zog siab thiab tawv, ua rau lub siab zoo heev -cov kabmob muaj peev xwm thiab tiv thaiv kev cuam tshuam.
Stainless Hlau Yeeb Nkab: Nws kuj muaj zog heev. Qhov tseem ceeb, qib austenitic stainless hlau (xws li 304, 316) muaj cov tawv tawv zoo dua thiab ductility. Qhov no tso cai rau lawv kom zoo dua tiv taus cov khoom hnyav xws li kev co, dej rauj, thiab seismic kev ua si, txo qhov kev pheej hmoo ntawm pob txha tawg.
Peb Cov Kev Pom Zoo Tshaj Plaws:
Hauv cov tsev siab - nce siab, thaj chaw seismic, lossis cov ntawv thov uas cov kav dej yuav tsum tiv thaiv kev deformation, qhov muaj zog ntawm cov yeeb nkab steel hlau muaj qhov zoo sib xws.