... , carton steel Alloy steel 2)Standard: ASME/ANSI, JIS,DIN,GB 3)Size:1/2"-56" 4)Technique: SO,WN Product ... , 600, 900, 1500, 2500 ClassThickness Sch 5S—Sch160XXSStandardASME/ANSI/DIN/GB/EN/SH/GD/Types of faceRF, FF, RJ, Tongue&Groove ... paintAll production process stricktly according to ISO9001:2000. ASME B16.5,SCH40,CL150 3" WN Flange