SUS430 Stainless Hlau: Nickel-Grade Ferritic Dawb Rau Tus Nqi- Kho kom zoo nkauj & Khoom siv

SUS430 yog ib qho nickel ib txwm- dawb ferritic stainless hlau (Cr=16.0%-}18.0%, C Tsawg dua lossis sib npaug li 0.12%), uas yog ib qho ntawm cov qib ferritic feem ntau siv hauv Japanese tus qauv. Nws muaj zoo atmospheric corrosion kuj, zoo heev txias formability thiab nto tiav, thiab yog sib nqus ntawm chav tsev kub. Raws li tus nqi-zoo lwm txoj rau austenitic stainless hlau 304, nws yog dav siv nyob rau hauv architectural kho kom zoo nkauj thiab cov khoom siv hauv tsev.

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: EN 1.4016, UNS S43000, GB / T 10Cr17

Kev Ua Haujlwm Zoo: Zoo corrosion kuj nyob rau hauv qhuav atmospheric thiab me me kev lag luam ib puag ncig; zoo heev txias formability, haum rau khoov, stamping, dov thiab lwm yam txheej txheem; siab nto tiav, yooj yim rau polish; npib tsib xee-dawb, tus nqi qis (txog 30% pheej yig dua 304); ruaj khov magnetic zog; zoo thermal conductivity.

Tej kev siv: Architectural kho kom zoo nkauj (phab ntsa panels, handrails, qhov rooj ncej, qab nthab cov ntaub ntawv), cov khoom siv hauv tsev (cov tub yees qhov rooj liners, qhov cub sab hauv phab ntsa, lub tshuab ntxhua khaub ncaws), cov tais diav thiab cov tais diav hauv chav ua noj, cov khoom siv hauv tsheb, cov khoom siv hluav taws xob, cov khoom siv hluav taws xob, cov khoom siv tshuaj lom neeg.

Tswv yim Q&A

Q1: Nyob rau hauv dab tsi tshwm sim tuaj yeem SUS430 hloov 304 stainless hlau? A1: Nws tuaj yeem hloov 304 hauv qhov tsis yog{5}}corrosive lossis me me corrosive ib puag ncig, xws li sab hauv tsev kho kom zoo nkauj, cov khoom siv cua qhuav, thiab cov khoom siv hauv tsev. Nyob rau hauv ib puag ncig corrosive (cov cheeb tsam ntug dej hiav txwv, cov kua qaub tshaj tawm, siab - thaj chaw muaj av), nws cov corrosion kuj yog qis dua 304 thiab tsis tuaj yeem hloov tau.

Q2: Vim li cas SUS430 xeb nyob rau hauv ntug dej hiav txwv? A2: Lub ntug dej hiav txwv ntsev muaj cov tshuaj chloride ions siab, uas tuaj yeem nkag mus tau yooj yim ntawm cov oxide zaj duab xis ntawm SUS430 thiab ua rau pitting corrosion. Rau cov ntawv thov ntug dej hiav txwv, nws raug pom zoo kom siv 316 stainless hlau nrog cov tshuaj chloride ion zoo dua, los yog ua rau kom muaj kev tiv thaiv kab mob thiab kev tu ntau zaus.

Q3: Cov ntsiab lus tseem ceeb ntawm vuam SUS430 yog dab tsi? A3: Siv ER430 vuam hlau, tswj vuam cov khoom siv hluav taws xob tsawg dua lossis sib npaug ntawm 120J / hli kom tsis txhob muaj cov nplej coarsening thiab embrittlement; tsis tas yuav tsum tau preheating rau nyias daim hlau (tsawg dua los yog sib npaug li 5 hli); preheat rau 100-200℃rau cov phaj tuab (Ntau dua lossis sib npaug li 10mm); post-weld annealing ntawm 750-800℃tuaj yeem txhim kho lub toughness thiab corrosion kuj ntawm weld.

Q4: Puas yog SUS430 haum rau siab -kev siv kub? A4: Nws haum rau nruab nrab - daim ntawv thov kub txog li 600℃. Thaum qhov kub siab tshaj 600 degree, oxidation tus nqi nce ntau, thiab kev loj hlob ntawm cov nplej yuav tshwm sim, ua rau txo qis hauv toughness. Rau siab- qhov chaw kub siab tshaj 800 degree, siab -chromium-nickel austenitic stainless hlau xws li 309S yuav tsum tau xaiv.

Q5: Yuav ua li cas txhawm rau txhim kho cov khoom tiav ntawm SUS430? A5: Txais cov kauj ruam-los ntawm- cov txheej txheem polishing: thawj zaug siv 120# abrasive siv rau polishing ntxhib, ces 240 # → 400 # → 600 # abrasive siv rau polishing zoo; Tom qab polishing, ua passivation kev kho mob nrog 20% ​​nitric acid tov los tsim ib tug ntom oxide zaj duab xis, uas tsis tsuas yog txhim kho lub gloss tab sis kuj txhim kho corrosion kuj.