Weld Neck Flanges in ASTM A351.The steel shall be made by the electric furnace process with or without separate refining such as argon-oxygen decarburization. All castings shall receive heat treatment followed by quench in water or rapid cool by other means as noted. The steel shall conform to both chemical composition and tensile property requirements.
|Size||1/2-8 Inch (DN15-DN200)|
|Class||150#, 300#, 600#, 900#, 1500#, 2500#|
|Standard||ANSI Flanges, ASME Flanges, BS Flanges, DIN Flanges, EN Flanges, etc.|