size : 1/2" - 72" thickness : SCH 20- XXS material : carbon steel ( seamless & seam) Size 1/2” – 72”Angel45°90° 180° StandardASTM A 234 , ASME 16.28 MSS SP-75DIN 2615,2616,2617JIS B 2311, 2312 , 2313PackingWooden case & palletsQualificationsISO 9001, API , CE