Product Range 45° and 90° Elbows, Concentric and Eccentric Reducers, Equal and Reducing Tees, 180° Return Bends and Caps Dimensional Standards ANSI B16.9 Schedules Sch. 5 to Sch. XXS (special wall thicknesses on request) Size Range ½” to 80” NB Material Grades Carbon ASTM A234 WPB. Low Temp ASTM A420 WPL3 & WPL6 Chrome/Moly ASTM A234 Grade WP5, WP9, WP11, WP12 & WP22 Stainless ASTM A403 WP304/L & WP316/L Duplex ASTM A815 UNS S31803. Superior quality polythin bag and standard wooden box.