Taw qhia
Stainless hlau tau dhau los ua cov khoom siv nrov rau kev lag luam thiab tsev neeg siv vim nws cov khoom tshwj xeeb xws li corrosion kuj, durability, thiab yooj yim txij nkawm. Muaj ntau ntau hom stainless hlau muaj nyob rau hauv kev ua lag luam, txhua tus tsim los ua kom haum rau cov kev siv tshwj xeeb. Hauv tsab xov xwm no, peb yuav tham txog peb yam tseem ceeb ntawm stainless hlau thiab lawv cov khoom kom ntxaws.
Hom 1: Austenitic Stainless Hlau
Thawj thiab feem ntau hom stainless hlau yog austenitic stainless hlau. Nws suav txog li 70% ntawm tag nrho cov hlau tsis muaj hlau uas tsim tawm thoob ntiaj teb. Austenitic steel yog tsim los ntawm cov qib siab nickel thiab chromium, ua rau nws tiv taus corrosion thiab oxidation. Hom hlau no paub txog nws qhov tshwj xeeb ruaj khov thiab muaj peev xwm tiv taus qhov kub thiab txias.
Austenitic stainless hlau tau muab faib ua ob pawg, xws li:
1) 300 series austenitic stainless hlau: Hom stainless hlau no muaj nyob ib ncig ntawm 18% chromium thiab 8-10% npib tsib xee. Feem ntau siv 300 series qib yog 304, uas yog siv rau ntau yam kev siv xws li cov khoom siv hauv chav ua noj, cov khoom siv ua zaub mov, thiab cov khoom siv kho mob.
2) 200 series austenitic stainless hlau: Hom stainless hlau no muaj tsawg nickel thiab manganese ntau dua li 300 series. Feem ntau siv 200 series qib yog 201, uas yog siv rau hauv cov ntawv thov xws li tsheb txiav thiab cov tais diav ua noj.
Hom 2: Ferritic Stainless Hlau
Qhov thib ob hom stainless hlau yog ferritic stainless hlau, uas yog ua los ntawm cov qib siab ntawm chromium thiab me ntsis los yog tsis muaj nickel. Hom hlau no muaj zog tiv taus corrosion thiab oxidation thiab feem ntau yog siv rau hauv cov ntawv thov uas cov hlau raug rau qhov kub thiab txias, xws li combustion chambers, pa system, thiab ncu.
Ferritic stainless hlau tau muab faib ua ob pawg, xws li:
1) Standard ferritic stainless hlau: Hom stainless hlau no muaj nyob ib ncig ntawm 17% chromium thiab yog siv rau hauv cov ntawv thov uas yuav tsum tau zoo corrosion kuj thiab kub tsis kam.
2) Super ferritic stainless hlau: Hom stainless hlau no muaj nyob ib ncig ntawm 30% chromium thiab siv rau hauv cov ntawv thov uas yuav tsum tau muaj kev tiv thaiv corrosion thiab siab thermal conductivity. Nws yog feem ntau siv nyob rau hauv marine daim ntaub ntawv, qhov twg cov hlau yog raug rau seawater thiab lwm yam corrosive hais.
Hom 3: Martensitic Stainless Hlau
Peb hom stainless hlau yog martensitic stainless hlau, uas yog ua los ntawm cov qib siab ntawm chromium thiab carbon. Hom hlau no paub txog nws qhov tshwj xeeb lub zog thiab hardness, ua rau nws zoo tagnrho rau cov ntawv thov uas xav tau cov khoom no.
Martensitic stainless hlau tau muab faib ua ob pawg, xws li:
1) Cov qauv martensitic stainless hlau: Hom stainless hlau no muaj nyob ib ncig ntawm 13% chromium thiab siv rau hauv cov ntawv thov uas xav tau lub zog siab thiab zoo corrosion kuj.
2) Precipitation hardening martensitic stainless hlau: Hom stainless hlau no muaj cov nickel qib siab thiab siv rau hauv cov ntawv thov uas xav tau lub zog tshwj xeeb, xws li cov khoom siv dav hlau thiab cov cuab yeej phais.
Xaus
Nyob rau hauv xaus, stainless hlau yog ib tug incredibly ntau yam khoom uas tau revolutionized lub industrial thiab tsev neeg sectors. Peb yam tseem ceeb ntawm stainless hlau tau tham hauv tsab xov xwm no, uas yog austenitic, ferritic, thiab martensitic, txhua tus muaj cov khoom tshwj xeeb uas ua rau lawv zoo tagnrho rau cov ntawv thov tshwj xeeb. Nkag siab txog cov khoom thiab kev siv ntawm txhua hom stainless hlau yog qhov tseem ceeb rau kev xaiv cov khoom siv rau koj daim ntawv thov.