Size: 1/2" to 160" Material: Carbon Steel Standard: ANSI, API, AWWA, DIN, JIS, BS Place of Origin: Shizjiazhuang Zhongrun Fearures: ... / API / AWWA / DIN / BS /JIS, and etc, we also can produce as per user's drawings. Carbon steel Flanges:Dimension Standard: ANSI ... B16.5 1/2-24 CLASS 150-2500 ANSI B16.47 26-60 CLASS 75-900 API 6A 1 ...