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303 Polished Stainless Hlau Round Bar

303 Polished Stainless Hlau Round Bar

303 tsis muaj steel hlau belongs rau austenitictype stainless hlau. Nws muaj cov leej faj thiab selenyum uas ua rau nws yooj yim mus txiav thiab hnav resisitant. 303 xim hlau tsis siv dav rau lub sijhawm uas yuav tsum tau yooj yim txiav thiab siab nto daim Ntawv thov thaj tsam: Cov chaw tsim roj, tshuaj ...

303 tsis muaj steel hlau belongs rau austenitictype stainless hlau. Nws muaj cov leej faj thiab selenyum uas ua rau nws yooj yim mus txiav thiab hnav resisitant. 303 xim hlau tsis yog siv los ntawm lub sijhawm uas yuav tsum tau yooj yim txiav thiab kev kub siab tiav



Cov dej cawv ntxiv uas yog lub luag hauj lwm rau kev txhim kho kev lag luam thiab kev lom zem ntawm Qib 303 txo nws txoj kev xiam oob qhab rau hauv qab uas Qib 304. Raws li rau lwm lub austenitic qib cov qauv muab 303 zoo tshaj plaws toughness, tab sis cov phom hauv 303 txo nws lub zog me ntsis.


Qib 303Se (UNS S30323) muaj ib qho kev xaiv ntau dua li dej ntsev ntxiv, kev txhim kho cov kub thiab txias ua tus cwj pwm ntawm cov neeg ntawm 303 thiab muab lub tshuab ua kom zoo txaus. Lub cavability rate kuj nce mentsis me ntsis.


Qhov tseem ceeb

Cov khoom no teev rau cov khoom ntev (bar) hauv ASTM A582. Zoo ib yam, tiam sis tsis yog cov khoom zoo tib yam raug teev tseg rau lwm cov khoom xws li xaim thiab kev zam txim hauv lawv cov lus qhia. Qib 303 tsis tau ua cov khoom ntiag tug.


Corrosion Resistance

Zoo tsis kam ua kom tsis muaj zog, tab sis tsawg tshaj li Qib 304 vim yog cov hnoos dej ntxiv; cov kua dej ntxias ua haujlwm ua qhov chaw pib. Qib 303 yuav tsum tsis pub muaj marine lossis lwm qhov chaw zoo sib xws, vim tias cov no yuav ua rau muaj kev txhuam cov qhov ceev ceev. Vim tias cov kua dej kua ntswg hauv 303 feem ntau ua raws li qhov kev rub tawm cov kev txhim kho corrosion yog tshwj xeeb tshaj yog ua rau hauv kev sib tshuam. Qib 303, zoo li lwm hom austenitic stainless steels, yog yuav muaj kev ntxhov siab ntxhov plawv hauv cov chloride uas muaj qhov siab tshaj 60 ° C.


Tshav Kub Kub

Zoo oxidation tsis kam nyob hauv kev sib quas ntus rau 760 ° C thiab nyob rau hauv kev pab cuam nrawm rau 870 ° C. Kev siv twj ywm nyob rau hauv 425-860 ° C yog tsis pom zoo vim tias cov khoom txom nyem - 303 feem ntau tsis muaj cov ntsiab lus qis rau cev kom zoo rau qhov kev hnov mob.


Fabrication

Raws li kev txo qhov kev quab yuam, qhov ntxiv ntsev ntxiv nyob rau hauv 303 kuj ua rau kev txom nyem tsis muaj zog thiab ua rau muaj kev sib txig sib luag piv rau Qib 304. Cov khoov rau sab nrauv yuav tsum tsis txhob sim ua 303. Lwm qhov kev sib txuas lus kuj yog 304 Ib Yam Kev Ua Hla Kev Ua Haujlwm - tsis siv lub cav raws li 303, tab sis tsis muaj zoo dua daim ntawv txiav txim siab (as Well as zoo dua weldability thiab corrosion kuj).


Tshav Kub Kho

Tshuaj Kho Mob (Annealing) - Cua sov rau 1010-1120 ° C thiab txias heev. Cov qib no tsis tuaj yeem ua kom tsis muaj zog los ntawm kev kho mob thermal.


Vuam

Feem ntau tsis pom zoo tiamsis, yog tias tsis muaj kev tiv thaiv thiab txo qis dua, siv Qib 308L lossis 309 electrodes. AS 1554.6 tsis ua ntej-txais vuam welding ntawm 303. Welds yuav tsum tau muab khi rau qhov kev tiv thaiv kev siab tshaj plaws.


Machining

A "Ugima" ua tau zoo tuaj tshuab ntawm qeb 303 yog muaj nyob rau hauv cov khoom uas muaj kab xev. Cov cav tov no ho zoo dua li tus qauv 303, muab cov tshuab ua haujlwm qis heev thiab qis cuab tam siv ntau txoj haujlwm.


Daim ntaub ntawv

Cov kev siv hom lus xws li:

Quav thiab Bolts

Bushings

Shafts

Aircraft Fittings

Hluav taws xob Switchgear Cheebtsam

Zog

Feem ntau cov khoom tiv thaiv uas ua haujlwm hnyav heev thiab qhov twg qhov kev xeb thiab cov khoom hluav taws xob ntawm 303 muaj peev xwm siv tau.


Tshuaj Hloov Tshuaj (WT%)

(C): ≤0.15

(Si): ≤1.00

(Mn): ≤2.00

(Cr): 18.0 mus rau 19.0%

(P): ≤0.20

(S): ≥0.15

(Ni): 8 txog 10.5%

(Mo): ≤0.6

khoom ntiag tug

tensile zog: ≥520MPa

Tawm lub zog: ≥205MPa

Kev loj hlob: ≥40%

OD ntawm 303 steel hlau tsis muaj li 4 hli mus txog 100 hli, qhov ntev li ib txwm yog 6m.

Feem ntau, nws tsuas yog siv 3 hnub ua hauj lwm rau peb ua tus me nyuam yog tias cov khoom tau npaj rau hauv Tshuag.

Tau kawg, qhov txawv loj kuj tuaj yeem ua raws li koj qhov kev thov.

FAQ: Whats qhov txawv ntawm 304 steel hlau thiab 303 satinless steel?

303 steel hlau muaj ntau dua li 304 stainless hlau ces nws feem ntau siv nyob rau hauv lub sijhawm uas yuav tsum tau yooj yim txiav thiab high finish finish, piv txwv li, tsis siv neeg tshuab dhos, bolts thiab nults. Dab tsi ntau, 303 steel hlau tsis tshua chrom tshaj 304 stainless hlau thiaj li xeb nws tsis zoo li 304 stainless hlau.


303 polished stainless hlau round bar

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