... , 300LB, 600LB, 900LB, 1500LB, 2500LB Connection: Butt Weld & Socket Weld & Thread Standard: ANSI, JIS, DIN Materia:l Carbon, Stainless, Alloy Certificate ... , BL flange, LJ flange, TH flange, Usage: Petroleum, chemical, power, gas, metallurgy, shipbuilding, construction, etc MATERIAL Stainless Steel Flanges ASTM / ASME ... /F5/F9/F11/F22/F91. Large Diameter Forged High Pressure Thread Slip-on Flange