316L stainless hlau thiab Super Stainless hlau 2507 chaw tsim tshuaj paus chaw muag khoom 2507}}}} Hu rau peb kom tau cov lus pub dawb thiab qauv!
Austenitic stainless hlau s316L (unsist s31603)thiabSuper Duplex Stainless Hlau 2507 (Untral S32750)muaj qhov sib txawv ntawm cov tshuaj muaj tshuaj, cov yam ntxwv ua tau zoo thiab tsim cov ntsiab lus ntawm kev ua haujlwm, nrog rau nws cov ntsiab lus zoo nkauj, tshwj xeeb yog cov khoom siv hnyav, tshwj xeeb yog qhov siab kub thiab siab puag ncig muaj chloride ions.
Stainless Hlau S316L thiab S32750 MicrostructUstructure
S316L: nthuav qhia ib leeg-theem Austenitic qauv (uas muab nws cov qauv sib cav zoo heev (SCC) nyob rau hauv cov kev ntxhov siab ntau lossis chloride muaj ib puag ncig.
2507: Los ntawm kev kho tshav kub kub (ceev ceev ntawm {}} Cov qauv dographen tau txhim kho ntawm ob theem kuj tseem tuaj yeem tiv thaiv kom tiv thaiv tau zoo kev hais tawm, muab cov khoom siv zoo heev corrosion tsis kam .
2507 Hlau thiab SS316L ua tau zoo hauv chloride ib puag ncig
Pitting thiab crevice corrosion:Hauv chloride ion ib puag ncig (xws li seawater thiab ntau dua cov pitting tsis zoo, ua rau pitting zoo tshaj plaws (ntau dua}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}} pitting kub (cpt) ntawm 2507 hauv 6% kev daws teeb meem yog siab npaum li 70℃lossis ntau dua, ntau dua, ntau dua ntawm S316L.
Kev ntxhov siab corrosion cracking (SCC):Austenitic stainless steel is prone to SCC in chloride environments >60℃{{. Cov qauv siv dual-theem ntawm 2507 zoo heev txhim kho theem ua ke, thiab yuav luag tsis muaj kev tawg pleb tshwm sim hauv tib qho chaw {}}
S31603 thiab S32750 sib txawv hauv kev teb corrosion hauv acid
Cov Sulfuric Acid Ib puag ncig:Nyob rau hauv dilute sulfuric acid (<20%), 2507 outperforms S316L due to its high chromium and molybdenum content; in concentrated sulfuric acid (>90%) ib puag ncig, 904L Austenitic Stainless hlau yog ntau haum .
Organic Acid Daim Ntawv Thov:S32750 tau ua tau zoo heev rau cov organic acids xws li acetic acid, thiab haum rau acetic Access cov khoom lag luam ntau thiab kev kub siab.
Hydrochloric acid txwv:S316L yog nruj me ntsis txwv tsis pub siv hauv cov siv hydrochloric acid, thiab muaj 2507 tuaj yeem siv hauv dilute Hydrochloric acid (<5%), but the concentration and temperature parameters need to be carefully evaluated.
Ntsiab Lus Siv Tshuaj Sib Sau Sib Pauv
| Lub ntsiab | S316L | 2507 |
|---|---|---|
| Cr | 16-18% | 24-26% |
| Ni | 10-12% | 6-8% |
| Mo | 2-3% | 3-5% |
| N | Tsawg dua los yog sib npaug rau 0.10% | 0.24-0.32% |
| C | Tsawg dua los yog sib npaug rau 0.03% | Tsawg dua los yog sib npaug rau 0.03% |
| Ua ntej | ~25 | Ntau dua los yog sib npaug rau 42.5 |
Tseem Ceeb Lub Cev Ntawm Lub Zog Hluav Taws Xob
| Ntiag tug | S316L | 2507 |
|---|---|---|
| Paib lub zog | Ntau dua los yog sib npaug rau 170 MPa | Ntau dua los yog sib npaug rau 550 mpa |
| Thermal nthuav dav | 16.5 μm / m degree | 13.0 μm / m degree |
| Thermal conductivity | 13 w / mk | 15 w / mk |
| Ceev | 8.0 g / cm³ | 8.03 g / cm³ |
| Elastic modulus | 193 GPA | 200 gpa |
Economical thiab siv tau ntawm S316L
- Biopharraceutical thiab zaub mov Pipelines:Sib Ntsib Cov Qauv Tu Siab, zam cov organic acid tu cov neeg sawv cev, thiab yog siv dav hauv kev tso tsheb hlau luam thiab dej ntshiab
- Tshuaj me me:hauv cov kua tshuaj acid nrog cov chloride ion cov ntsiab lus (<200 ppm) and moderate temperature, such as dye intermediate production equipment
- Kev Siv Dej Thiab Siv Hluav Taws Xob:Urban Kais Dej Kho Kev Cog Khoom Siv Pipelines, qhov twg Chloride ion concentrolation yog tswj thiab tsis muaj qhov kub thiab txias thiab muaj siab siab
Irreplaceable Scararios rau 2507
- Cov roj offshore thiab roj platform:high PRE value (≥42.5) meets the requirements of PRE>40 rau dej hiav txwv txhaj tshuaj .
- Dej hiav txwv xav tau txoj kev ntshaw nyiaj siab:Nyob rau hauv lub siab-ntu siab ({{5.5-7 mpa} mpa) Tom qab anti-claus corrasity, 2507 muaj ob zaug ntawm 316L.
- Flue Gas Desulfurization System:Qhov nqus av nqus dej kav dej yuav tsum tau zam cov nplais, yog li abrasive hmoov zoo ntawm lub sijhawm 250l zoo dua 316l ntawm no.
316L Stainless Hlau Thiab Super Stainless Hlau 2507 Chaw Tsim Tshuaj Khoom
Nrog 15 xyoo ntawm expre experence, HTASTM A269 Tp316L Kav, ASTM A240 UNSIVE S32750 daim hlau, puag ncig cov kab, thiab dav dav ntawm cov fittings, flanges, thiab vuam accessories {{{
