... : ASME, ANSI, DIN, etc. 4) Stainless Steel, Carbon Steel, Alloy Steel, etc 1) Standard:ANSI, ASME, DIN, JIS, BS, etc.2) Size ... :1/2"-30"3) Material available:stainless steel, carbon steel, alloy steel, etc.4) Flange type:welding ... , threaded flange, etc.5) Other:SPECIAL DESIGN AVAILABLE High Quality Alloy Steel Flange