Dab tsi yog hom stainless hlau?

Dab tsi yog hom stainless hlau?

Stainless hlau tseem hu ua stainless acid-resistant steel, uas feem ntau muaj alloying ntsiab xws li nickel chromium molybdenum tungsten nyob rau hauv metallurgy hu ua stainless hlau.

Kev faib ua feem ntawm stainless hlau:

Raws li lub xeev lub koom haum:

Martensitic stainless hlau, ferritic stainless hlau, austenitic stainless hlau thiab austenitic ferritic (duplex) stainless hlau thiab nag lossis daus hardening stainless hlau.

Raws li muaj pes tsawg leeg tau muab faib ua: chromium stainless hlau, chromium nickel stainless hlau thiab chromium manganese nitrogen stainless hlau. Raws li nws cov corrosion kuj: stainless hlau (tuaj yeem tiv taus corrosion hauv huab cua) thiab stainless acid-resistant steel (tuaj yeem tiv taus corrosion hauv qee cov tshuaj lom neeg).
Raws li cov tshuaj muaj pes tsawg leeg yuav muab faib ua high chromium stainless hlau (xws li 4Cr13, Cr17, Cr28, Cr17Ti, thiab lwm yam), chromium nickel stainless hlau (xws li 0Cr18Ni9Ti, Cr18Ni12Mo2Ti), chromium manganese nitrogen stainless hlau (xws li Cr17Mn13Mo2N).
Stainless hlau qib pawg:
200 series: Chromium-nickel-manganese austenitic stainless hlau
300 Series: Chromium-nickel austenitic stainless hlau
400 Series: Ferritic thiab martensitic stainless hlau
500 series: Kub-resistant chrome alloy hlau
600 Series: Martensitic nag lossis daus-hardened stainless hlau

Hom thiab kev siv ntawm stainless hlau:
Austenitic stainless hlau: muaj kev tiv thaiv zoo corrosion thiab zoo heev biocompatibility, tab sis tsis tuaj yeem ntxiv dag zog los ntawm kev kho cua sov, thiab tsis yog hlau nplaum. Nws yog feem ntau siv hauv tshuaj, Marine engineering, zaub mov, biomedical, petrochemical aircraft kev lag luam thiab lwm yam. Ntawm lawv, 304 stainless hlau yog cov feem ntau austenitic stainless hlau, tseem hu ua 18/8 stainless hlau nyob rau hauv kev lag luam, nws cov khoom hlau muaj kub tsis kam thiab kev ua tau zoo, yog li nws yog dav siv nyob rau hauv industrial thiab rooj tog kho kom zoo nkauj industries thiab zaub mov thiab kev kho mob kev lag luam.

Ferritic stainless hlau: Nws muaj cov yam ntxwv ntawm cov thermal conductivity loj, me me expansion coefficient, zoo oxidation kuj thiab zoo heev kev nyuaj siab corrosion kuj. Nws yog dav siv nyob rau hauv kev tsim khoom ntawm qhov chaw tiv taus atmospheric, dej vapor, dej thiab oxidizing acid corrosion. Tsis tas li ntawd, nws cov nqi yog qhov qis thiab ruaj khov, thiab nws feem ntau siv rau hauv kev tsim kho thiab kho tsheb.