430 Stainless Hlau: Tus nqi -Ntev Ferritic Stainless Hlau Rau Kho Kom Zoo Nkauj & Kev Siv Dav Hlau

430 stainless hlau yog siv dav siv ferritic stainless hlau nrog 16% -18% chromium cov ntsiab lus thiab tsis muaj npib tsib xee. Nws muaj zoo corrosion kuj, zoo heev formability thiab nto tiav, thiab yog sib nqus ntawm chav tsev kub. Raws li tus nqi- siv tau zoo rau 304 stainless hlau nyob rau hauv uas tsis yog -corrosive los yog me me-corrosive ib puag ncig, nws yog tsuas yog siv nyob rau hauv architectural kho kom zoo nkauj, khoom siv hauv tsev thiab kev lag luam kev lag luam.

Core Parameters

Chemical Composition (wt%): C Tsawg dua lossis sib npaug rau 0.12, Si Less dua lossis sib npaug rau 1.00, Mn Tsawg dua lossis sib npaug rau 1.00, P Tsawg dua lossis sib npaug rau 0.040, S Less dua lossis sib npaug rau 0.030, Cr=16.00-18.00, Fe=Sib npaug

Mechanical Properties (Annealed): Tensile Strength Ntau dua los yog sib npaug rau 450MPa, Yield Strength Ntau dua lossis sib npaug rau 205MPa, Elongation Ntau dua lossis sib npaug li 22%, Brinell Hardness Tsawg dua lossis sib npaug rau 201HB

Kev Pabcuam Kub: -20℃txog 600℃(kev pabcuam txuas ntxiv)

Qib sib npaug: SUS430 (JIS), EN 1.4016 (EN), UNS S43000 (ASTM)

Kev Ua Haujlwm Zoo: Zoo atmospheric corrosion kuj thiab oxidation kuj ntawm nruab nrab kub; zoo heev txias formability, haum rau khoov, stamping thiab dov; high nto tiav, yooj yim rau polish thiab ntxuav; tus nqi qis, kwv yees li 30% pheej yig dua 304; magnetic, nrog ruaj khov magnetic zog.

Tej kev siv: Architectural kho kom zoo nkauj (phab ntsa panels, tes tuav, qhov rooj ncej), cov khoom siv hauv tsev (cov tub yees qhov rooj, qhov cub sab hauv phab ntsa), tableware (tsis yog{0}}acidic contact), automotive trim, heat exchanger fins, chemical equipment for me corrosion Environments.

Tswv yim Q&A

Q1: Puas tuaj yeem 430 stainless hlau hloov 304? A1: Nws tuaj yeem hloov pauv hauv qhov tsis yog - corrosive ib puag ncig (xws li kho kom zoo nkauj sab hauv tsev, khoom siv cua qhuav). Txawm li cas los xij, nyob rau hauv ib puag ncig corrosive (cov cheeb tsam ntug dej hiav txwv, cov kua qaub tshaj tawm, kev ua zaub mov), 430's corrosion kuj yog qhov qis dua rau 304 thiab tsis tuaj yeem hloov tau.

Q2: Vim li cas 430 stainless hlau muaj "xeb" nyob rau hauv ntug dej hiav txwv? A2: Cov tshuaj tsuag ntsev ntawm ntug dej hiav txwv muaj cov tshuaj chloride ions siab, uas tuaj yeem nkag mus rau oxide zaj duab xis ntawm 430 thiab ua rau pitting corrosion. Rau kev siv ntug hiav txwv dej, nws raug nquahu kom siv 316 stainless hlau los yog nce lub thickness ntawm 430 nto passivation zaj duab xis thiab ua haujlwm tsis tu ncua.

Q3: Puas yog 430 stainless hlau haum rau siab -kev siv kub? A3: Nws haum rau nruab nrab - daim ntawv thov kub txog li 600℃. Ntawm qhov kub siab tshaj 600 degree, nws cov oxidation tus nqi nce ntau, thiab nws yuav ua nkig vim cov nplej loj hlob. Rau siab- qhov chaw kub siab tshaj 800 degree, 309S lossis 310S austenitic stainless hlau yuav tsum tau siv.

Q4: Dab tsi yog qhov ceev faj rau vuam 430 stainless hlau? A4: Siv ER430 vuam hlau, tswj cov khoom siv hluav taws xob (tsawg dua lossis sib npaug ntawm 120J / mm) kom tsis txhob muaj cov nplej coarsening; tsis xav tau preheating rau nyias daim hlau, tab sis preheating ntawm 100-200℃yog pom zoo rau cov phaj tuab (Ntau tshaj los yog sib npaug rau 10mm); post-weld annealing ntawm 750-800℃tuaj yeem txhim kho toughness thiab corrosion kuj.

Q5: Yuav ua li cas txhawm rau txhim kho qhov ua tiav ntawm 430 stainless hlau? A5: Siv cov hlua abrasive ntawm kev ua kom zoo (los ntawm 120 # mus rau 600 #) rau kauj ruam -los ntawm - kauj ruam polishing; Tom qab polishing, ua passivation kev kho mob nrog 20% ​​nitric acid tov (chaw kub, 30 feeb) los tsim ib tug ntom oxide zaj duab xis, txhim kho ob qho tib si gloss thiab corrosion kuj.