Hom Stainless Hlau Qib thiab lawv cov khoom muaj nyob rau hauv Instrumentation
304 Stainless hlau. Nws yog ib qho ntawm austenitic stainless hlau nrog cov ntawv thov loj tshaj plaws thiab kev siv dav tshaj plaws. Nws yog qhov tsim nyog rau kev tsim cov khoom sib sib zog nqus, cov kav xa hluav taws xob, cov thawv ntim khoom, cov khoom siv, thiab ntau lub cev ntsuas. Nws kuj tseem tuaj yeem siv los tsim cov khoom siv tsis muaj hlau nplaum, cov khoom siv qis qis, thiab cov khoom siv.
304L Stainless hlau. Ib qho ultra-low carbon austenitic stainless hlau tsim los daws qhov cuam tshuam loj heev ntawm 304 stainless hlau vim yog nag lossis daus ntawm Cr23C6 nyob rau hauv qee yam mob. Nws tsis kam mus rau intergranular corrosion nyob rau hauv lub xeev sensitized yog ho zoo dua li ntawm 304 stainless hlau. Tsuas yog me ntsis qis zog, lwm yam khoom yog tib yam li 321 stainless hlau. Nws yog tsuas yog siv rau cov khoom siv corrosion-resistant thiab cov khoom uas yuav tsum tau welded thiab tsis tuaj yeem raug rau cov khoom siv kho mob, thiab tuaj yeem siv los tsim ntau lub cev ntsuas.
304H Stainless hlau. Ib ceg ntawm 304 stainless hlau nrog cov pa roj carbon ntau feem ntawm 0.04% -0.10%, nws muaj kev ua haujlwm kub zoo dua li 304 stainless hlau.
316 Stainless hlau. Molybdenum yog ntxiv rau lub hauv paus ntawm 10Cr18Ni12 steel, uas muab cov hlau zoo tiv thaiv kom tsis txhob muaj xov xwm thiab pitting corrosion. Nws muaj kev tiv thaiv corrosion zoo dua li 304 stainless hlau hauv dej hiav txwv thiab lwm yam xov xwm, thiab feem ntau yog siv rau cov ntaub ntawv tiv thaiv pitting corrosion.
316L Stainless hlau. Ib qho ultra-low carbon steel nrog zoo tsis kam mus rau sensitized intergranular corrosion, haum rau manufacturing tuab-section welded Cheebtsam thiab khoom, xws li corrosion-resistant cov ntaub ntawv nyob rau hauv petrochemical khoom.
316H Stainless hlau. Ib ceg ntawm 316 stainless hlau nrog cov pa roj carbon ntau feem ntawm 0.04%-0.10%, nws muaj kev ua haujlwm kub zoo dua li 316 stainless hlau.
317 Stainless hlau. Nws muaj qhov zoo dua pitting corrosion tsis kam thiab creep tsis kam tshaj 316L stainless hlau thiab yog siv rau kev tsim khoom resistant rau organic acid corrosion hauv kev lag luam petrochemical.
321 Stainless hlau. Lub titanium-stabilized austenitic stainless hlau, nrog ntxiv titanium los txhim kho intergranular corrosion kuj thiab zoo kub-kub txhua yam khoom. Nws tuaj yeem hloov ultra-low carbon austenitic stainless hlau. Nws tsis yog feem ntau pom zoo siv tshwj tsis yog nyob rau hauv tshwj xeeb zaus xws li kub-kub los yog anti-hydrogen corrosion.
347 Stainless hlau. Lub niobium-stabilized austenitic stainless hlau, nrog ntxiv niobium los txhim kho intergranular corrosion kuj. Nws muaj tib yam corrosion kuj zoo li 321 stainless hlau hauv cov kua qaub, alkalis, thiab ntsev, thiab muaj cov khoom siv vuam zoo. Nws tuaj yeem siv los ua cov khoom siv corrosion-resistant thiab kub-resistant steel, feem ntau yog siv nyob rau hauv lub tshav pob ntawm thermal hwj chim thiab petrochemicals, xws li los ua cov thawv, pipelines, tshav kub exchangers, shafts, rauv tubes nyob rau hauv industrial furnaces, thiab rauv tube thermometers. .
9 04L Stainless hlau. Super siab austenitic stainless hlau tsim los ntawm Finland lub tuam txhab Outokumpu, nrog ib tug npib tsib xee pawg ntawm 24% -26% thiab ib tug carbon loj feem ntawm tsawg dua 0.02%. Nws muaj corrosion kuj zoo heev, tshwj xeeb tshaj yog nyob rau hauv non-oxidizing acids xws li sulfuric acid, acetic acid, formic acid, thiab phosphoric acid. Nws kuj tseem muaj kev tiv thaiv zoo rau crevice corrosion thiab kev nyuaj siab corrosion. Nws yog qhov tsim nyog rau ntau qhov sib xyaw ntawm sulfuric acid ntawm qhov kub qis dua 70 degree thiab muaj kev tiv thaiv corrosion zoo nyob rau hauv txhua qhov concentration thiab kub ntawm acetic acid thiab formic acid, nrog rau cov kua qaub sib xyaw ntawm acetic acid thiab formic acid nyob rau hauv atmospheric siab. Tus qauv qub ASME SB-625 tau muab faib ua npib tsib xee-raws li alloy, thaum tus qauv tshiab cais nws li stainless hlau. Tuam Tshoj tsuas muaj kwv yees li qib 015Cr19Ni26Mo5Cu2 hlau. Ob peb lub tuam txhab nyob sab Europe siv 904L stainless hlau rau cov ntaub ntawv tseem ceeb, xws li cov ntsuas ntsuas ntawm E + H cov ntsuas dej loj thiab cov xwm txheej ntawm Rolex watches.
440C Stainless hlau. Martensitic stainless hlau, nws yog qhov nyuaj tshaj plaws ntawm quenched thiab hardened stainless hlau nrog ib tug hardness ntawm HRC57. Nws yog tsuas yog siv los ua nozzles, bearings, valve cores, rooj zaum, tes tsho, valve stems, thiab lwm yam.
17-4PH Stainless hlau. Martensitic nag lossis daus hardening stainless hlau nrog hardness ntawm HRC44, nws muaj lub zog siab, hardness, thiab corrosion kuj, thiab yuav tsum tsis txhob siv siab tshaj 300 degree. Nws muaj corrosion kuj zoo rau cov cua thiab dilute acids los yog ntsev, nrog corrosion kuj piv rau 304 thiab 430 stainless hlau. Nws yog siv rau kev tsim khoom offshore platforms, turbine hniav, valve cores, rooj zaum, tes tsho, valve stems, thiab lwm yam.
Hauv kev ntsuas kev ntsuas, xav txog ntau yam thiab tus nqi, qhov kev xaiv ib txwm siv rau austenitic stainless hlau yog 304-304L-316-316L-317-321-347-904L, nrog 317 tsis tshua siv, 321 tsis pom zoo, 347 rau qhov kub-kub corrosion kuj, thiab 904L tsuas yog siv rau cov khoom tshwj xeeb los ntawm qee cov tuam txhab, thiab feem ntau tsis nquag xaiv hauv kev tsim.
Hauv kev tsim thiab xaiv cov twj paj nruag, muaj ntau zaus uas cov khoom siv ntawm cov cuab yeej sib txawv ntawm cov raj xa dej, tshwj xeeb tshaj yog nyob rau hauv qhov kub thiab txias. Nws yog ib qho tseem ceeb uas yuav tsum tau ua tib zoo saib xyuas seb qhov kev xaiv ntawm cov khoom siv raws li qhov ntsuas kub thiab qhov siab ntawm cov txheej txheem cov khoom siv lossis cov kav dej. Piv txwv li, yog hais tias lub raj xa dej yog kub-kub chromium-molybdenum hlau thiab cov cuab yeej raug xaiv los ua stainless hlau, cov teeb meem yuav tshwm sim, thiab nws yog ib qho tsim nyog yuav tau sab laj nrog cov lus kub-siab ntawm cov khoom siv.
Hauv kev tsim thiab xaiv cov cuab yeej, ntau lub tshuab, series, thiab qib ntawm stainless hlau feem ntau ntsib. Kev xaiv yuav tsum tau ua raws li ntau qhov kev xav xws li cov txheej txheem tshwj xeeb nruab nrab, qhov kub thiab txias, siab, cov khoom hnyav, corrosion, thiab nqi.
