316 stainless hlauyog ib qho ntawm feem ntau siv austenitic stainless hlau nyob rau hauv kev lag luam kev siv qhov twg corrosion kuj thiab durability yog ib qho tseem ceeb. Paub txog nws cov kev tiv thaiv zoo heev rau chloride ib puag ncig thiab tshuaj lom neeg corrosion, 316 stainless hlau feem ntau yog siv rau hauv cov khoom siv marine, tshuaj ua cov nroj tsuag, chaw tsim tshuaj, thiab kev lag luam ua zaub mov.
Piv nrog rau 304 stainless hlau, 316 stainless hlau muaj molybdenum, uas ua rau nws zoo heev rau pitting corrosion thiab crevice corrosion. Qhov no ua rau nws tshwj xeeb tshaj yog haum rau ib puag ncig uas raug dej hiav txwv, tshuaj acidic, thiab cov av noo siab.
Vim nws cov khoom muaj zog, zoo heev weldability, thiab kev pab lub neej ntev, 316 stainless hlau yog dav tsim rau hauv cov kav dej, raj, daim hlau, nplooj ntawv, tuav, thiab fittings rau ntau yam kev siv.
Chemical Composition ntawm 316 Stainless Hlau
Cov tshuaj muaj pes tsawg leeg ntawm 316 stainless hlau muab nws cov corrosion kuj thiab txhua yam muaj zog.
| Element | Cov ntsiab lus (%) |
|---|---|
| Chromium (Cr) | 16.0 – 18.0 |
| Nickel (Ni) | 10.0 – 14.0 |
| Molybdenum (hli) | 2.0 – 3.0 |
| Cov pa roj carbon (C) | Tsawg dua lossis sib npaug li 0.08 |
| Manganese (Mn) | Tsawg dua los yog sib npaug rau 2.0 |
| Silicon (Si) | Tsawg dua los yog sib npaug rau 1.0 |
| Phosphorus (P) | Tsawg dua lossis sib npaug li 0.045 |
| Sulfur (S) | Tsawg dua lossis sib npaug li 0.03 |
| Hlau (Fe) | Tshuav |
Qhov ntxiv ntawmmolybdenumyog qhov tseem ceeb uas txhim kho corrosion kuj piv nrog 304 stainless hlau.
Mechanical Properties ntawm 316 Stainless Hlau
| Khoom | Tus nqi |
|---|---|
| Tensile zog | Ntau dua lossis sib npaug li 515 MPa |
| Yield zog | Ntau dua lossis sib npaug li 205 MPa |
| Elongation | Ntau dua lossis sib npaug li 40% |
| Hardness | Tsawg dua lossis sib npaug li 95 HRB |
Cov khoom no ua rau 316 stainless hlau haum rau ob qho tib si cov qauv thiab siab -kev ua haujlwm kev lag luam.
Cov txiaj ntsig tseem ceeb ntawm 316 Stainless Hlau
Zoo heev Corrosion Resistance
316 stainless hlau muaj kev tiv thaiv zoo rau corrosion nyob rau hauv chloride ib puag ncig xws li seawater thiab marine atmospheres.
Kub Kub Resistance
Lub alloy tuav zoo txhua yam muaj zog thiab oxidation tsis kam ntawm siab kub.
Muaj zog tshuaj tiv thaiv
Nws ua tau zoo nyob rau hauv acidic ib puag ncig xws li sulfuric acid, phosphoric acid, thiab organic tshuaj.
Zoo Weldability thiab Fabrication
316 stainless hlau tuaj yeem yooj yim welded, machined, thiab tsim rau hauv cov duab sib txawv yam tsis tau poob corrosion.
Lub neej ua haujlwm ntev
Vim nws cov kav ntev thiab tsis kam tiv thaiv corrosion, 316 stainless hlau Cheebtsam feem ntau muaj lub neej ua haujlwm ntev dua li ntau lwm yam hlau.
Cov Ntawv Sib Tham ntawm 316 Stainless Hlau Khoom
316 stainless hlau yog dav tsim rau hauv ntau yam khoom lag luam:
Stainless hlau kav thiab raj
Stainless hlau ntawv thiab phaj
Stainless hlau bars thiab rods
Stainless hlau coils thiab strips
Stainless hlau fittings thiab flanges
Industrial valves thiab twj tso kua mis
Cov khoom no muaj nyob rau hauv ntau tus qauv thoob ntiaj teb xws liASTM, EN, thiab JIS.
Cov ntawv thov kev lag luam
316 stainless hlau yog dav siv nyob rau hauv kev lag luam uas yuav tsum tau siab corrosion kuj:
Marine Engineering
Shipbuilding Cheebtsam, marine pipelines, thiab seawater khoom.
Kev ua tshuaj lom neeg
Chemical storage tanks, heat exchangers, thiab industrial reactors.
Kev lag luam ua zaub mov
Cov cuab yeej tsim khoom noj khoom haus, cov kav dej, thiab kev ua kom huv si.
Pharmaceutical Manufacturing
Ntxuav - cov khoom siv hauv chav tsev, cov tshuab ua kom tsis muaj menyuam, thiab cov tshuab kho mob.
Kev lag luam roj thiab roj
Offshore platforms, piping systems, thiab refinery khoom.
316 vs 304 Stainless hlau
| Feature | 304 Stainless hlau | 316 Stainless hlau |
|---|---|---|
| Molybdenum Cov ntsiab lus | Tsis muaj | 2–3% |
| Corrosion Resistance | Zoo | Zoo heev |
| Chloride Resistance | Nruab nrab | Siab |
| Kev siv Marine | txwv | Tsim nyog heev |
| Nqi | qis | Siab dua |
Vim yog cov ntsiab lus molybdenum,316 stainless hlau ua tau zoo dua nyob rau hauv hnyav thiab corrosive ib puag ncig.
International Standards rau 316 Stainless hlau
Cov qauv zoo rau 316 stainless hlau suav nrog:
| Txuj | Qib |
|---|---|
| ASTM | 316 / 316L |
| EN | 1.4401 / 1.4404 |
| JIS | SUS 316 |
| UNS | S31600 |
Cov qauv no ua kom zoo ib yam thiab kev ua haujlwm zoo hauv kev lag luam thoob ntiaj teb.
FAQ
Dab tsi yog 316 stainless hlau?
316 stainless hlau yog austenitic stainless hlau uas muaj chromium, nickel, thiab molybdenum. Qhov sib ntxiv ntawm molybdenum ho txhim kho corrosion kuj, tshwj xeeb tshaj yog nyob rau hauv chloride ib puag ncig xws li seawater thiab tshuaj ua tshuab.
Dab tsi yog qhov txawv ntawm 316 thiab 316L stainless hlau?
Qhov sib txawv tseem ceeb yog cov ntsiab lus carbon.
316L stainless hlau muaj cov ntsiab lus qis dua (tsawg dua lossis sib npaug li 0.03%), uas txo cov carbide nag lossis daus thaum vuam thiab txhim kho corrosion kuj hauv cov qauv welded.
Vim li cas 316 stainless hlau ntau dua corrosion resistant dua 304?
316 stainless hlau muaj2-3% molybdenum, uas txhim khu kev tiv thaiv rau pitting corrosion thiab crevice corrosion, tshwj xeeb tshaj yog nyob rau hauv chloride ib puag ncig xws li marine los yog ntug hiav txwv dej.
Puas yog 316 stainless hlau haum rau thaj chaw marine?
Yog. 316 stainless hlau yog dav siv nyob rau hauv marine daim ntaub ntawv vim hais tias nws muaj kev tiv thaiv zoo heev rau seawater corrosion, ntsev tsuag, thiab ntub dej hiav txwv tej yam kev mob.
Dab tsi kev lag luam feem ntau siv 316 stainless hlau?
316 stainless hlau yog dav siv hauv:
Marine engineering
Tshuaj ua cov nroj tsuag
Kev lag luam roj thiab roj
Cov khoom siv ua zaub mov
Kev tsim tshuaj
Cov cuab yeej kho mob
Thaum tshav kub kub exchangers thiab industrial piping systems
Cov ntaub ntawv dab tsi ntawm 316 stainless hlau khoom muaj?
316 stainless hlau yog feem ntau tsim nyob rau hauv ntau hom kev lag luam, suav nrog:
Stainless hlau kav thiab raj
Stainless hlau ntawv thiab phaj
Stainless hlau coils thiab strips
Stainless hlau bars thiab rods
Stainless hlau fittings thiab flanges
Puas yog 316 stainless hlau yooj yim rau vuam?
Tau. 316 stainless hlau muaj qhov zoo tshaj plaws weldability thiab tuaj yeem welded siv ntau txoj hauv kev xws li TIG, MIG, thiab arc vuam. Rau kev siv vuam hnyav, 316L feem ntau nyiam los tiv thaiv carbide nag lossis daus.
Qhov kub tsis kam ntawm 316 stainless hlau yog dab tsi?
316 stainless hlau ua tau zoo ntawm qhov kub thiab txias thiab tswj oxidation tsis kam mus txog kwv yees li870℃(1600℃F)hauv kev pabcuam tsis sib xws.
Puas yog 316 stainless hlau sib nqus?
Nyob rau hauv lub annealed mob, 316 stainless hlau yog feem ntautsis yog-magnetic. Txawm li cas los xij, me ntsis hlau nplaum yuav tshwm sim tom qab ua haujlwm txias lossis ua cov txheej txheem.
Dab tsi yog cov qauv thoob ntiaj teb siv rau 316 stainless hlau?
Cov qauv thoob ntiaj teb uas muaj xws li:
ASTM A240 / ASTM A312 Cov Lus Qhia
EN 10088 (1.4401 / 1.4404)
JIS SUS 316
UNS S31600
Cov qauv no xyuas kom meej cov tshuaj muaj pes tsawg leeg thiab cov khoom siv kho tshuab rau kev siv lag luam.
