... DN2000(1/2"-48")According to your specific drawing.StandardJIS,DIN,ANSI/ASTM,GB,BSThe series of elbowstype45 degree,90 ... 90°180°MaterialCarbon steel,stainless steel and alloy steel StandardJIS,DIN,ANSI/ASTM,GB,BS ASME/ANSI B 16.5, ... ,JIS B 2311-1997,JIS B2312 DIN 2605-1991,DIN2617-1991,DIN2615-1992,DIN 2615-1992Colorblack color or others,according ... Tel: 86-0317-5305880 45 deg carbon steel elbow GOST