... forged flange Size: 1/2'' to 48'' Pressure: 150LB, 300LB, 600LB, 900LB, 1500LB, 2500LB Connection: Butt Weld & Socket Weld & Thread Standard: ANSI ... , metallurgy, shipbuilding, construction, etc MATERIAL Stainless Steel Flanges ASTM / ASME A/SA 182 Grade: F 304, 304L, 316, 316L. Carbon Steel ... /F5/F9/F11/F22/F91. Large Diameter Forged High Pressure Thread Slip-on Flange