Stainless Hlau Qib 430: Tus nqi -Kev ua tau zoo Ferritic

Stainless hlau 430 yog ib qho nrov ferritic qib muaj nuj nqis rau nws cov nqi pheej yig, zoo corrosion kuj, thiab cov khoom sib nqus. Tsis muaj npib tsib xee, nws muaj tus nqi - lwm txoj kev zoo rau cov qib austenitic zoo li 304, ua rau nws zoo tagnrho rau cov khoom siv kho kom zoo nkauj, tsheb, thiab hauv tsev uas tsis tas yuav muaj kev tiv thaiv corrosion.

Tshuaj muaj pes tsawg leeg (ASTM A240)

16-18% chromium, Tsawg dua lossis sib npaug ntawm 0.12% carbon, Tsawg dua lossis sib npaug ntawm 1% manganese, Tsawg dua lossis sib npaug li 1% silicon, Tsawg dua lossis sib npaug 0.04% phosphorus, Tsawg dua lossis sib npaug li 0.03% sulfur, Tsawg dua lossis sib npaug 0.6% nickel

Mechanical Properties (Annealed)

Yield zog: Ntau dua los yog sib npaug rau 205 MPa

Tensile zog: 415-630 MPa

Elongation: Ntau dua lossis sib npaug li 22%

Hardness: Max 201 HB

Kev Ua Haujlwm Zoo

430 muab kev tiv thaiv zoo corrosion nyob rau hauv qhov chaw qhuav, yog hlau nplaum (tseem ceeb rau kev siv hlau nplaum), thiab muaj cov qauv zoo heev thiab weldability (nrog cov txheej txheem tsim nyog). Nws yog tus nqi - zoo, yooj yim rau tshuab, thiab khaws cov xim zoo hauv kev siv cov hniav zoo nkauj.

Daim ntawv thov

Automotive trim, cov khoom siv hauv chav ua noj (xws li, lub qhov rooj tub yees), cov khoom siv kho kom zoo nkauj, cov vaj huam sib luag vaj tse, thiab cov khoom siv tshuaj me me.

Qib sib npaug

EU: EN 1.4016

Nyiv: JIS SUS430

Tuam Tshoj: GB 1Cr17

430 vs . 304: Tus nqi vs

430 yog npib tsib xee-dawb thiab pheej yig dua li 304 tab sis muaj qis dua corrosion (tshwj xeeb tshaj yog nyob rau hauv cov av noo / ntug hiav txwv dej). 304 tsis yog-sib nqus thiab ruaj khov nyob rau hauv ib puag ncig hnyav, thaum 430 excels nyob rau hauv qhuav, zoo nkauj, los yog pob nyiaj siv -sensitive daim ntaub ntawv.

FAQs

Vim li cas 430 magnetic, thiab qhov no yuav pab tau li cas?430 yog sib nqus vim nws cov qauv siv lead ua ferritic, uas txawv ntawm qhov tsis yog -magnetic austenitic qauv ntawm 304 lossis 316. Cov cuab yeej sib nqus no ua rau nws zoo tagnrho rau cov ntawv thov uas xav tau cov khoom sib nqus, xws li lub qhov rooj tub yees, cov khoom sib nqus, thiab cov khoom siv tsheb uas yuav tsum tau ua raws li cov khoom sib nqus. Tsis zoo li cov qib austenitic, nws khaws cov hlau nplaum ntawm chav tsev kub thiab nyob rau hauv feem ntau cov haujlwm. Nws cov hlau nplaum tsis cuam tshuam rau kev tiv thaiv corrosion los yog formability, ntxiv cov nqi ua haujlwm yam tsis muaj kev cuam tshuam kev ua haujlwm.

Puas yog 430 haum rau siv sab nraum zoov?430 tuaj yeem siv sab nraum zoov hauv qhov qhuav, tsis yog - thaj chaw ntug hiav txwv dej (xws li, kev tsim vaj tsev sab hauv av, vaj tsev kho kom zoo nkauj) tab sis tsis pom zoo rau thaj chaw ntug dej hiav txwv lossis av noo. Nws 16-18% chromium cov ntsiab lus tsim ib txheej oxide passive uas tiv thaiv xeb hauv huab cua qhuav, tab sis nws tsis muaj npib tsib xee thiab molybdenum los tiv thaiv dej ntsev los yog cov dej noo hnyav. Hauv cov cheeb tsam ntug dej hiav txwv, 430 tuaj yeem tsim cov xeb nyob rau lub sijhawm, thaum 304 lossis 316 yuav nyob twj ywm. Kev tu tsis tu ncua nrog xab npum me me thiab dej pab tswj nws qhov zoo li sab nraum zoov, tab sis nws yog qhov zoo tshaj plaws rau kev siv vaj tse lossis qhuav sab nraum zoov.

430 tus nqi piv rau 304 li cas, thiab thaum twg nws yog qhov kev xaiv zoo dua?430 yog pheej yig dua li 304 vim nws tsis muaj npib tsib xee (tus nqi siab- alloy) thiab siv chromium tsawg dua. Nws yog ib qho kev xaiv zoo dua rau cov peev nyiaj- cov ntawv siv tau yooj yim uas tsis xav tau kev tiv thaiv corrosion tsis zoo, xws li cov khoom siv kho kom zoo nkauj sab hauv tsev, cov khoom siv hauv chav ua noj sab nrauv, thiab cov khoom siv hauv tsheb. Rau qhov chaw qhuav lossis cov ntawv thov uas yuav tsum tau muaj hlau nplaum, 430 muaj kev ua haujlwm txaus ntawm tus nqi qis dua . 304 yog qhov zoo dua rau cov av noo, ntug dej hiav txwv, lossis tshuaj lom neeg- qhov chaw raug, tab sis 430 muab cov txiaj ntsig zoo rau kev siv tsis yog{10}} tseem ceeb.

430 puas tuaj yeem welded rau kev siv cov qauv?430 tuaj yeem welded siv TIG lossis MIG vuam, tab sis nws yuav tsum tau saib xyuas ntau dua li cov qib austenitic xws li 304. Nws yog qhov ua rau cov nplej loj hlob thiab brittleness yog tias overheated, yog li tswj cov cua sov thiab siv cov txheej txheem qis - vuam vuam yog qhov tseem ceeb. Kev sib txuam ferritic fillers (xws li, ER430) khaws cia corrosion kuj thiab txhua yam khoom hauv cov pob qij txha welded. Tshaj tawm -weld annealing yog pom zoo rau cov ntu tuab kom rov qab ductility. Welded 430 yog tsim rau cov uas tsis yog -load- bearing cov ntaub ntawv xws li hniav thav duab los yog me me - lub luag hauj lwm brackets, tab sis nws tsis zoo tagnrho rau siab - kev ntxhov siab los yog corrosive welded qauv (siv 304 los yog 316 hloov).

Dab tsi yog qhov txwv ntawm 430 stainless hlau?430 cov kev txwv tseem ceeb yog qis dua corrosion kuj nyob rau hauv cov av noo / ntug dej hiav txwv ib puag ncig thiab txo ductility piv rau austenitic qib. Nws tsis muaj nickel thiab molybdenum, ua rau nws yooj yim rau pitting corrosion nyob rau hauv dej ntsev los yog acidic ib puag ncig. Nws kuj tsis tshua haum rau siab - daim ntawv thov kub (max nruam kev pab cuam nyob ib ncig ntawm 600 degree) thiab muaj kev cuam tshuam qis zog ntawm qhov kub thiab txias. Tsis tas li ntawd, nws tuaj yeem tsim cov xim tsis zoo nyob rau hauv huab cua hnyav, yuav tsum tau saib xyuas ntau dua li 304. Txawm li cas los xij, cov kev txwv no tuaj yeem tswj tau rau nws cov kev npaj siv, thiab nws cov nqi -kev ua tau zoo ua rau nws yog ib qho kev xaiv nrov rau cov ntawv thov tsis yog - tseem ceeb.