ASTM A182 F44 UN44 UNR454 Qhov muag tsis pom Flange thiab 6MO plam ntawm Flange cov chaw tsim tshuaj paus
ASME B36.19M yog tus qauv kev qhia tshwj xeeb rau cov kav hlau stainless hlau, uas qhia txog kev ua siab ntev, thiab tsim khoom rau cov kav dej thiab cov txiv ntseej.
Vim nws cov ntsiab lus siab ntawm chromium thiab molybdenum, nws tuaj yeem tiv thaiv ntau yam ntawm cov kua qaub. Kuj yog qhov pitting thiab crevice corrosion tsuas yog nyob ntawm cov ntsiab lus ntawm chromium, molybdenum thiab nitrogen. Tshuaj ntsuam xyuas tshuaj ntawm 254 SMO qib qhia tau hais tias ob tus ferrite thiab Austenite yog tsim thaum lub weld txias thiab tiv taus kub. Cov hlau tau tsim kho rau kev siv hauv halide-muaj ib puag ncig xws li seawater. Qee cov ntawv thov feem xyuam yog tawm tsam, cov tub rog ib puag ncig thiab kev lag luam tshuaj.