... 150lb, 300lb, 400lb, 600lb,900lb, 1500lb,2500lb type specificationitem: carbon steel slip on flangesize: 1/2' to 48'standard: ANSI B16 ... B16.47pressure: 150lb, 300lb, 400lb, 600lb,900lb, 1500lb,2500lbmaterial: ASTM A105, A105N, A350, LF2, LF3, Q235, 20#, 45#, 20Mn. ... socket weld flange, threaded flange, ring joint flange, etc. OEM to special requirement.pipe fittings: steel pipes, elbow, tee, cross, ...