... ° Elbow of socket weld, threaded type to ANSI B 16.5 from classes 2000 to 9000 and Schedules from 10 to ... , STD, SCH80, XS, SCH120, SCH160, XXS 3. Material: A234-WPB, A420-WPL6, A234-WP11, A234-WP5, A403-WP304, A403-WP304L, A403-WP316, A403-WP316L ... , SS304, SS304L, SS316, SS316L 5. Application Standard: ASTMB16.9, ASTM16 ...