... Our Carbon Steel Flange and Stainless Steel Flange be according to ANSI, DIN, UNI, BS, JIS, KS standards. the materials are ASTM ... , ST37, Q235, 20 Steel, S.S 304, 304L,316, 316L. ANSI B16.5 / ASME B16.47 Standard: 150LBS, 300LBS, 600LBS, 900LBS ... . Normal Size: DN15--DN2000mm ( 1/2"-48")We are willing to cooperate with your esteemed company through supplying you superior high ...