... Standard: ASME, ANSI, API, JIS, JPI, DIN, UNI, BS, AS Material: A105,Q235, WCB, CF8, 314.316 Type:Slip On Flange ... .6MPa—42.0MPa)Technics:Hot die forging from round bar,CNC machining,Drilling and Passivating high quality Stainless steel flange, 150~1500class