Dab tsi yog qhov sib txawv ntawm 304 thiab 904L stainless hlau?

Dab tsi yog daim ntawv thov teeb meem?
904L: Cov khoom siv tshuaj lom neeg (cov khoom siv tshuaj (cov neeg siv hluav taws xob, cov raj tsim khoom), cov kev saib dej siab (xws li cov rolex).
304: Cov liaj teb pa xws li cov khoom siv khoom noj, kev kho kom zoo nkauj, khoom siv khoom hauv tsev neeg, thiab lwm yam}

Tshuaj lom neeg sib txawv
Cov tub ntxhais sib txawv ntawm 904L thiab 304 stainless hlau lus dag hauv cov alloy keeb ntsiab lus:
Chromium (CR): 904L muaj 19% -23}%, 304 txog 18% yog lub ntsiab lus corrosion-resistant oxide cov yeeb yaj kiab {}}
Nickel (NI): 904L muaj 23% {{{-28%, 304 txog 8% thiab 904L muaj qhov ruaj khov kho Austenite qauv.
Molybdenum (MO): 904L muaj 4% -5}}}%, tshwj xeeb tshaj yog nyob rau hauv cov tshuaj corrosion, tshwj xeeb tshaj yog hauv cov tshuaj corrosion, tshwj xeeb tshaj yog nyob rau hauv pitherine muaj ntau xws li seantater.
Tooj (Cu): 904l muaj 1% -2}}}%, 304 tsis muaj - tooj ntxiv txhim kho acid tsis kam (xws li sulfuric acid, phosphoric acid)

 

Qhov twg yog qhov zoo dua, 304 lossis 316L stainless hlau?

316 muaj tsawg kawg yog 2 {. 0% molybdenum, uas ua rau nws ntau dua cov khoom kim, nws pheej ua 316 ib qib hlau kim dua.

 

Puas yog 904L steel zoo dua 316 hlau?
Lub zog thiab durability: nws yog qhov ruaj khov dua thiab ruaj khov tshaj 316L, nws tuaj yeem tiv thaiv ntau dua li 316 xyoo thiab muaj oxidation siab ox.