Txawm li cas los xij, nws tsis yog txog xyoo 1912 uas tau tshawb pom ib txoj hauv kev txhim khu kev qha ntawm cov hlau uas muaj xeb-pov thawj. Thiab nws yog tag nrho los ntawm kev sib tsoo… Txawm tias qhov kev tshawb pom no, metallurgists ntawm lub sijhawm tsis tuaj yeem pom qhov sib npaug ntawm cov chromium siab thiab cov pa roj carbon tsawg uas ua rau cov hlau tsis zoo niaj hnub no.
Yuav ua li cas stainless hlau ua?
Stainless hlau hlau yog tsim thaum cov khoom siv raw ntawm npib tsib xee, hlau ore, chromium, silicon, molybdenum, thiab lwm yam, yog melted ua ke. Cov hlau tsis muaj hlau muaj ntau yam tshuaj lom neeg yooj yim uas, thaum fused ua ke, tsim kom muaj zog alloy.
Leej twg ua cov hlau tsis muaj steel thawj zaug?
thawj stainless hlau puas tau tsim yog tsim los ntawm Harry Brearley, ib txwm nyob hauv tebchaws United Kingdom. Brearley's alloy yog tsim los ntawm kev ntxiv chromium rau hlau, muab 12.8% chromium ntsiab lus. Tom qab sib tov ob lub hlau, Brearley pom tau hais tias qhov tshwm sim ntawm alloy yog heev tiv taus xeb.
Thaum twg stainless hlau tau dhau los?
In 1924, Hatfield patented 18-8 stainless hlau, 18% chromium thiab 8% npib tsib xee. Qhov no austentic stainless yuav sai sai no los ua cov nyiam tshaj plaws thiab dav siv hom stainless hlau.
Qhov zoo tshaj plaws stainless hlau yog dab tsi?
Type 304: Qib paub zoo tshaj plaws yog Hom 304, tseem hu ua 18/8 thiab 18/10 rau nws cov muaj pes tsawg leeg ntawm 18% chromium thiab 8% lossis 10% nickel, raws. Hom 316: Qhov thib ob feem ntau austenitic stainless hlau yog Hom 316.
