Stainless hlau yog cov khoom siv nrov siv hauv machining vim nws lub zog, durability, thiab tsis kam mus corrosion. Txawm li cas los xij, nws tseem tuaj yeem nthuav tawm cov kev sib tw hauv cov txheej txheem machining vim nws qhov nyuaj thiab kev ua haujlwm nyuaj.
Nov yog qee qhov kev txiav txim siab tseem ceeb thaum machining stainless hlau:
Kev xaiv cuab yeej:
Xaiv cov cuab yeej zoo yog qhov tseem ceeb rau kev ua cov hlau tsis huv. High-speed steel cov cuab yeej tsim nyog rau cov khoom ntim qis, thaum cov cuab yeej carbide zoo dua rau cov khoom ntim ntau. Cov cuab yeej coated kuj tuaj yeem txhim kho kev ua haujlwm thiab lub neej cuab yeej.
Txiav ceev:
Stainless hlau yuav tsum tau txiav qeeb qeeb dua cov ntaub ntawv softer los tiv thaiv overheating thiab ua hauj lwm hardening. Kev pom zoo txiav ceev ntau rau stainless hlau yog 100 mus rau 350 sfm (nto taw ib feeb).
Pub tus nqi:
Tus nqi pub rau stainless hlau yuav tsum raug txo kom tsis txhob ua hauj lwm hardening thiab cov cuab yeej hnav. Qhov pom zoo pub tus nqi feem ntau yog 0.001 txog 0.010 ntiv tes rau ib tus hniav.
Coolant:
Cov coolant kom zoo yog qhov tseem ceeb rau machining stainless hlau. Cov dej-soluble coolants yog nyiam tshaj cov roj-raws li coolants kom tsis txhob staining thiab corrosion. High-pressure coolant tuaj yeem txhim kho nti khiav tawm thiab lub neej cuab yeej.
Chip tswj:
Stainless steel tsim ntev, stringy chips uas yuav nyuaj rau tswj. Siv cov chip breakers los yog nti tshem tawm cov tshuab tuaj yeem pab tiv thaiv chip clogging thiab cov cuab yeej puas.
Stainless hlau yog cov ntawv luv ntawm stainless acid-resistant steel. Cov qib steel uas tiv taus tsis muaj zog corrosive media xws li huab cua, chav dej, thiab dej, lossis muaj cov khoom tsis zoo yog hu ua stainless hlau; Corrosion) Corroded steel yog hu ua acid-resistant steel.
Stainless hlau hais txog cov hlau tsis muaj zog corrosive media xws li huab cua, chav, dej, thiab tshuaj lom neeg corrosive media xws li acid, alkali, thiab ntsev. Nws tseem hu ua stainless acid-resistant steel. Hauv kev siv cov tswv yim, cov hlau tsis muaj zog corrosion nruab nrab feem ntau hu ua stainless hlau, thiab cov hlau resistant rau tshuaj nruab nrab corrosion yog hu ua acid-resistant steel. Vim qhov sib txawv ntawm cov tshuaj muaj pes tsawg leeg ntawm ob, tus qub tsis tas yuav tiv taus cov tshuaj lom neeg corrosion, thaum lub tom kawg yog feem ntau stainless. Kev tiv thaiv corrosion ntawm stainless hlau nyob ntawm cov alloying ntsiab muaj nyob rau hauv cov hlau.
Cov qeb:
Feem ntau muab faib ua metallographic koom haum:
Feem ntau, cov hlau tsis zoo li qub tau muab faib ua peb pawg raws li cov qauv metallographic: austenitic stainless hlau, ferritic stainless hlau, thiab martensitic stainless hlau. Raws li peb hom ntawm cov qauv metallographic yooj yim, duplex steels, nag lossis daus hardening stainless hlau, thiab high-alloy steels nrog cov ntsiab lus hlau tsawg dua 50% yog muab los rau cov kev xav tau tshwj xeeb thiab lub hom phiaj.
1. Austenitic stainless hlau.
Lub matrix feem ntau yog tsim los ntawm austenite qauv (CY theem) nrog lub ntsej muag-centered cubic crystal qauv, uas tsis yog-sib nqus, thiab nws yog tsuas yog ntxiv dag zog rau kev ua hauj lwm txias (thiab tej zaum yuav ua rau tej yam hlau nplaum) stainless hlau. Lub koom haum American Hlau thiab Hlau yog cim nrog cov lej hauv 200 thiab 300 series, xws li 304.
2. Ferritic stainless hlau.
Lub matrix feem ntau yog ferrite (ib theem) nrog lub cev-centered cubic crystal qauv. Nws yog hlau nplaum thiab feem ntau tsis tuaj yeem hardened los ntawm kev kho cua sov, tab sis kev ua haujlwm txias tuaj yeem ua rau nws muaj zog me ntsis. Lub koom haum American Hlau thiab Hlau yog cim nrog 430 thiab 446.
3. Martensitic stainless hlau.
Lub matrix yog martensitic (lub cev-centered cubic lossis cubic), sib nqus, thiab nws cov khoom siv kho tshuab tuaj yeem hloov kho los ntawm kev kho cua sov. Lub koom haum American Hlau thiab Hlau yog cim nrog 410, 420 thiab 440 tus lej. Martensite muaj cov qauv austenite ntawm qhov kub thiab txias, thiab thaum txias rau chav tsev kub ntawm tus nqi tsim nyog, cov qauv austenite tuaj yeem hloov mus rau hauv martensite (uas yog, tawv).
4. Austenitic-ferritic (duplex) stainless hlau.
Lub matrix muaj ob qho tib si austenite thiab ferrite ob-theem qauv, thiab cov ntsiab lus ntawm tsawg theem matrix feem ntau ntau dua 15%. Nws yog hlau nplaum thiab tuaj yeem ua kom muaj zog los ntawm kev ua haujlwm txias. 329 yog ib hom duplex stainless hlau. Piv nrog rau austenitic stainless hlau, duplex steel muaj lub zog siab, intergranular corrosion kuj, chloride kev nyuaj siab corrosion kuj thiab pitting corrosion kuj zoo heev.
5. Cov nag lossis daus hardening stainless hlau.
Lub matrix yog austenite lossis martensite, thiab tuaj yeem ua kom tawv los ntawm nag lossis daus hardening stainless hlau. Lub koom haum American Hlau thiab Hlau yog cim nrog 600 series tooj, xws li 630, uas yog 17-4PH.
Feem ntau hais lus, tshwj tsis yog cov alloys, qhov corrosion kuj ntawm austenitic stainless hlau yog qhov zoo heev. Nyob rau hauv ib puag ncig tsawg corrosive, ferritic stainless hlau tuaj yeem siv tau. Nyob rau hauv ib qho me me corrosive ib puag ncig, yog tias cov khoom yuav tsum muaj lub zog siab lossis siab hardness, martensitic stainless hlau thiab nag lossis daus hardening stainless hlau tuaj yeem siv.
Nta thiab siv:
Kev kho deg:
Thickness txawv
1. vimcnc milling hlaucov tshuab yog nyob rau hauv cov txheej txheem dov, cov yob yog me ntsis deformed los ntawm tshav kub, uas ua rau deviations nyob rau hauv lub thickness ntawm dov daim hlau, uas yog feem ntau thicker nyob rau hauv nruab nrab thiab nyias ntawm ob sab. Thaum ntsuas lub thickness ntawm lub rooj tsavxwm, lub xeev teev tias qhov nruab nrab ntawm lub rooj tsavxwm lub taub hau yuav tsum tau ntsuas.
2. Qhov laj thawj rau kev kam rau siab yog tias raws li kev lag luam thiab cov neeg siv khoom xav tau, nws feem ntau muab faib ua siab ntev thiab me me kam rau ua: piv txwv.
Dab tsi ntawm stainless hlau tsis yooj yim rau xeb?
Muaj peb yam tseem ceeb cuam tshuam rau corrosion ntawmmachined stainless hlau:
1. Cov ntsiab lus ntawm alloying ntsiab.
Feem ntau hais lus, hlau nrog cov ntsiab lus chromium ntawm 10.5% tsis yooj yim rau xeb. Qhov siab dua cov ntsiab lus ntawm chromium thiab npib tsib xee, qhov zoo dua qhov corrosion kuj. Piv txwv li, cov ntsiab lus ntawm nickel hauv 304 cov khoom yuav tsum yog 8-10%, thiab cov ntsiab lus ntawm chromium yuav tsum ncav cuag 18-20%. Xws li stainless hlau yuav tsis xeb nyob rau hauv ib txwm muaj xwm txheej.
2. Cov txheej txheem smelting ntawm cov tuam txhab tsim khoom kuj tseem cuam tshuam rau corrosion tsis kam ntawm stainless hlau.
Loj stainless hlau factories nrog zoo smelting technology, advanced cov cuab yeej thiab advanced technology taulav qhov kev tswj ntawm cov ntsiab lus alloy, tshem tawm cov impurities, thiab kev tswj ntawm billet txias kub. Yog li ntawd, cov khoom zoo yog ruaj khov thiab txhim khu kev qha, nrog zoo sab hauv zoo thiab tsis yooj yim rau xeb. Ntawm qhov tsis sib xws, qee qhov me me steel mills muaj cov khoom siv rov qab thiab rov qab siv tshuab. Thaum lub sij hawm smelting txheej txheem, impurities tsis tuaj yeem raug tshem tawm, thiab cov khoom tsim tawm yuav inevitably xeb.
3. Sab nraud ib puag ncig, qhov chaw qhuav thiab qhov cua zoo tsis yooj yim rau xeb.
Cov huab cua huab cua yog siab, huab cua tsis tu ncua los nag, lossis thaj chaw ib puag ncig nrog pH siab hauv huab cua yog yooj yim rau xeb. 304 stainless hlau, yog tias ib puag ncig ib puag ncig tsis zoo, nws yuav xeb.
Yuav ua li cas tiv thaiv xeb ntawm cov hlau stainless?
1. Cov txheej txheem tshuaj
Siv cov nplaum nplaum los yog tshuaj tsuag los pab kom rov ua dua ntawm cov xeb xeb los tsim cov chromium oxide zaj duab xis kom rov ua kom cov corrosion kuj. Tom qab pickling, thiaj li yuav tshem tawm tag nrho cov pa phem thiab acid residues, nws yog ib qho tseem ceeb heev kom yaug nrog dej huv. Tom qab tag nrho cov kev kho mob, re-polish nrog polishing khoom thiab foob nrog polishing ciab. Rau cov neeg uas muaj xeb me ntsis, koj tuaj yeem siv 1: 1 sib xyaw ntawm cov roj av thiab cov roj cav los so cov pob xeb nrog cov ntaub qhwv huv.
2. Mechanical method
Xuab zeb blasting, tua blasting nrog iav los yog ceramic hais, obliteration, txhuam thiab polishing. Nws muaj peev xwm los kho cov kab mob los ntawm cov khoom siv yav dhau los tshem tawm, cov khoom polishing lossis cov khoom siv obliterating. Txhua yam kev kis kab mob, tshwj xeeb tshaj yog cov hlau txawv teb chaws, tuaj yeem yog qhov chaw ntawm corrosion, tshwj xeeb tshaj yog nyob rau hauv qhov chaw ntub dej. Yog li ntawd, mechanically cleaned nto yuav tsum tau muab ntxuav kom zoo nyob rau hauv qhuav tej yam kev mob. Kev siv cov txheej txheem siv tshuab tsuas tuaj yeem ntxuav qhov chaw, thiab tsis tuaj yeem hloov qhov corrosion kuj ntawm cov khoom nws tus kheej. Yog li ntawd, nws raug nquahu kom rov qab polishing nrog cov khoom siv polishing tom qab kho tshuab thiab foob nrog polishing ciab.
Stainless hlau qib thiab cov khoom siv feem ntau siv hauv cov twj paj nruag
1.304 ibcnc stainless hlau. Nws yog ib qho ntawm feem ntau siv austenitic stainless hlau. Nws yog qhov tsim nyog rau kev tsim cov khoom sib sib zog nqus thiab cov kav dej kua qaub, ntim, cov khoom siv, thiab ntau lub cev ntsuas. Nws tseem tuaj yeem siv los tsim cov khoom siv tsis muaj hlau nplaum, cov khoom siv kub thiab ib feem.
2. 304L stainless hlau. Txhawm rau daws qhov cuam tshuam loj ntawm intergranular corrosion nyiam ntawm 304 stainless hlau nyob rau hauv qee qhov kev mob vim los nag lossis daus ntawm Cr23C6, lub ultra-low carbon austenitic stainless hlau yog tsim, thiab 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 corrosion-resistant khoom thiabprecision tig qhov chawuas tsis tuaj yeem yog cov tshuaj kho tau tom qab vuam. Nws tuaj yeem siv los tsim ntau yam ntsuas lub cev, thiab lwm yam.
3. 304H stainless hlau. Cov ceg sab hauv ntawm 304 stainless hlau muaj cov pa roj carbon ntau ntawm 0.04% -0.10%, thiab nws qhov kub thiab txias ua haujlwm zoo dua li ntawm 304 stainless hlau.
4. 316 stainless hlau. Ntxiv molybdenum rau lub hauv paus ntawm 10Cr18Ni12 steel ua rau cov hlau muaj kev tiv thaiv zoo los txo qhov nruab nrab thiab pitting corrosion kuj. Hauv dej hiav txwv thiab lwm yam xov xwm, qhov kev tiv thaiv corrosion zoo dua li 304 stainless hlau, thiab nws yog siv rau pitting corrosion resistant cov ntaub ntawv.
5. 316L stainless hlau. Ultra-tsawg carbon steel, nrog zoo tsis kam mus rau sensitized intergranular corrosion, yog tsim rau kev tsim khoom ntawm welded qhov chaw thiab cov khoom siv nrog tuab cross-sectional qhov ntev, xws li corrosion-resistant cov ntaub ntawv nyob rau hauv petrochemical khoom.
6. 316H stainless hlau. Cov ceg sab hauv ntawm 316 stainless hlau muaj cov pa roj carbon ntau ntawm 0.04% -0.10%, thiab nws qhov kub siab ua haujlwm zoo dua li ntawm 316 stainless hlau.
7. 317 stainless hlau. Pitting corrosion kuj thiab creep kuj zoo dua 316L stainless hlau, siv nyob rau hauv kev tsim cov petrochemical thiab organic acid corrosion resistant khoom.
8.321 stainless hlau. Titanium-stabilized austenitic stainless hlau, ntxiv titanium los txhim kho intergranular corrosion kuj, thiab muaj zoo kub-kub txhua yam khoom, tuaj yeem hloov tau los ntawm ultra-low carbon austenitic stainless hlau. Tsuas yog rau lub sijhawm tshwj xeeb xws li kub siab lossis hydrogen corrosion kuj, nws tsis pom zoo rau kev siv.
9.347 stainless hlau. Niobium-stabilized austenitic stainless hlau, ntxiv niobium los txhim kho intergranular corrosion kuj, corrosion kuj nyob rau hauv acid, alkali, ntsev thiab lwm yam corrosive media yog tib yam li 321 stainless hlau, zoo vuam kev kawm, yuav siv tau raws li corrosion-resistant cov ntaub ntawv thiab kub hlau. yog siv nyob rau hauv thermal fais fab thiab petrochemical teb, xws li ua ntim, kav, tshav kub exchangers, shafts, rauv tubes nyob rau hauv industrial furnaces, thiab furnace tube thermometers.
10. 904L stainless hlau. Super tiav austenitic stainless hlau yog super austenitic stainless hlau tsim los ntawm Outokumpu Company ntawm Finland. Nws cov nickel pawg feem ntau yog 24% -26%, carbon pawg feem tsawg dua 0.02%, thiab muaj kev tiv thaiv zoo heev. , muaj corrosion kuj zoo nyob rau hauv non-oxidizing acids xws li sulfuric acid, acetic acid, formic acid, phosphoric acid, thiab muaj zoo crevice corrosion kuj thiab kev nyuaj siab corrosion kuj. Nws yog haum rau sulfuric acid ntawm ntau yam concentrations hauv qab no 70 ° C, thiab muaj zoo corrosion kuj nyob rau hauv acetic acid ntawm tej concentration thiab kub nyob rau hauv ib txwm siab thiab cov mix acid ntawm formic acid thiab acetic acid. Tus qauv qub ASMESB-625 tau muab faib ua cov nickel-based alloy, thiab tus qauv tshiab tau muab faib ua cov hlau tsis muaj steel. Tuam Tshoj tsuas yog muaj cov qib zoo sib xws ntawm 015Cr19Ni26Mo5Cu2 hlau, thiab ob peb lub tuam txhab European siv 904L stainless hlau ua cov khoom tseem ceeb. Piv txwv li, lub raj ntsuas ntawm qhov ntsuas huab cua ntawm E + H yog ua los ntawm 904L stainless hlau, thiab rooj plaub ntawm Rolex watches kuj yog ua los ntawm 904L stainless hlau.
11. 440C stainless hlau. Martensitic stainless hlau muaj qhov hardness siab tshaj plaws ntawm hardenable stainless hlau thiab stainless hlau, nrog ib tug hardness ntawm HRC57. Nws yog tsuas yog siv los ua nozzles, bearings, valve cores, valve rooj, tes tsho, valve stems, thiab lwm yam.
12. 17-4PH stainless hlau. Martensitic nag lossis daus hardening stainless hlau, nrog lub hardness ntawm HRC44, muaj lub zog siab, hardness thiab corrosion kuj, thiab tsis tuaj yeem siv ntawm qhov kub siab tshaj 300 ° C. Nws muaj kev tiv thaiv corrosion zoo rau cov cua thiab diluted acid lossis ntsev. Nws cov corrosion kuj yog tib yam li ntawm 304 stainless hlau thiab 430 stainless hlau. Nws yog siv los tsim cov platforms offshore, turbine blades, valve cores, valve rooj, tes tsho, thiab valve stems. tos.
Nyob rau hauv lub tshav pob ntawm instrumentation, ua ke nrog ntau yam thiab cov teeb meem ntawm tus nqi, cov pa austenitic stainless hlau xaiv ib theem yog 304-304L-316-316L-317-321-347-904L stainless hlau, uas 317 yog tsawg siv, 321 tsis pom zoo. , thiab 347 yog siv Vim yog kub thiab corrosion kuj, 904L tsuas yog cov khoom siv rau qee qhov Cheebtsam ntawm ib tug neeg manufacturers, thiab 904L feem ntau tsis nquag xaiv nyob rau hauv tsim.
Hauv kev tsim thiab xaiv cov twj paj nruag, feem ntau muaj qee lub sijhawm uas cov khoom siv ntawm cov cuab yeej sib txawv ntawm cov yeeb nkab, tshwj xeeb tshaj yog nyob rau hauv qhov kub thiab txias. Kev saib xyuas tshwj xeeb yuav tsum tau them rau seb qhov kev xaiv ntawm cov cuab yeej siv tau raws li qhov ntsuas kub thiab kev tsim siab ntawm cov txheej txheem cov khoom siv los yog cov kav dej, xws li cov kav dej yog qhov kub-kub chrome-molybdenum steel, thiab cov cuab yeej yog ua los ntawm stainless hlau. Lub sijhawm no, cov teeb meem yuav tshwm sim. Nws yog ib qho tsim nyog los sab laj qhov ntsuas kub thiab ntsuas qhov ntsuas ntawm cov khoom siv.
Hauv kev tsim thiab xaiv cov cuab yeej, stainless hlau ntawm ntau lub tshuab, series, thiab qib feem ntau ntsib. Thaum xaiv hom, cov teeb meem yuav tsum tau txiav txim siab los ntawm ntau lub kaum ntse ntse xws li cov txheej txheem tshwj xeeb tshaj tawm, qhov kub thiab txias, siab, qhov nyuaj siab, corrosion, thiab nqi.
Txuas ntxiv txhim kho, kom ntseeg tau cov khoom zoo raws li kev ua lag luam thiab cov neeg siv khoom tus qauv. Anebon muaj kev ruaj ntseg zoo tau tsim los rau High Quality 2022 Kub Muag Yas POM ABS Accessories Drilling CNC Machining Turning Part Service, Trust Anebon thiab koj yuav tau txais ntau dua. Nco ntsoov tiag tiag xav tias dawb hu rau peb kom paub meej ntxiv, Anebon qhia koj txog peb qhov zoo tshaj plaws txhua lub sijhawm.
Zoo siab pib spare qhov chaw, milling qhov chaw thiab steel tig qhov chaw Ua nyob rau hauv Tuam Tshoj Anebon. Cov khoom lag luam ntawm Anebon tau txais kev lees paub ntau thiab ntau dua los ntawm cov neeg siv khoom txawv teb chaws, thiab tsim kom muaj kev sib raug zoo nrog lawv mus ntev. Anebon yuav muab kev pabcuam zoo tshaj plaws rau txhua tus neeg siv khoom thiab txais tos cov phooj ywg ua haujlwm nrog Anebon thiab tsim kom muaj kev sib koom ua ke.
Post lub sij hawm: Apr-21-2023