Ansi B16.5 Hastelloy C22 Weld Neck Flanges yog qib Austenic Alloy uas tau pom tias yog ntau yam hauv xwm. Chemically, lub DIN 2.4602 Tiab ntawm Flange muaj cov ntsiab lus xws li npib tsib, chromium, molybdenum & tungsten raws li thawj lub hauv paus nyob rau hauv alloy.