SA27 479 30mm 16mm 16mm 16 tm A479 F904L N08904 14539 Stainless Hlau Qws Bar Reg
Stainless hlau 904L flange muaj ntau cov txiaj ntsig ntawm cov khoom xyaw kim, xws li molybdenum thiab npib tsib xee. Niaj hnub no, feem ntau ntawm cov ntawv thov uas ua haujlwm qib 904L tau hloov los ntawm cov nqi qis-duplex stainless hlau 2205.
ASTM A182 904L 1.4539 1 \ "Ansi Stainless Hlau ASME 316 Flace 600 # RF - Zhengzhou Huitong Pipeline Equipment Co., Ltd.
Rau 304L stainless hlau yeeb nkab, cov ntau ntawm cov ntsiab lus carbon hauv cov hlau cuam tshuam rau cov corrosion tsis kam ntawm lub tank. Thaum lub sij hawm vuam ntawm hlau, ib qho tshwm sim hu ua "chromium carbide nag lossis daus" tshwm sim ntawm 800 thiab 15005 thiab 815 thiab 8155¡Ãc). Chromium sib txuas nrog cov pa roj carbon nyob rau hauv cov tshav kub cuam tshuam cheeb tsam thiab precipitates li chromium carbide ntawm cov ciaj ciam nplej. Raws li qhov tshwm sim, nws txo qis cov xeb pheej tsis ntawm cov hlau hauv thaj chaw no. Vim yog cov ntsiab lus txo cov roj hmab ntawm 304L steel, qhov pheej hmoo ntawm chromium carbide nag lossis txo qis heev.