... " 2.standard:DIN,ANSI,JIS,GB 3.material:Carbon steel carbon steel flange Our company supply various types of flanges. ... (DN15-DN2000) Wall thicknesssch5-sch160,xs,xxs. Materialcarbon steel:ASTM A234 WPB,WPC,ASTMA420WPL9 WPL3,WPL6,WPHY42/46 ... /52/60/65/70stainless steel:A403WP304/304L,A304WP 316/316L,WP321,WP347,WPS31254 ... PortTianjin seaport,China. The process flow diagram: carbon steel flange