steel pipe nipples&sockets. Place of Origin: China Specifications: 1.SIZE: 1/8"-6" 2.Threading standard: ANSI/ASME B1.20.1,ISO 7-1,ISO228-1,DIN2999,JIS B0203 etc. 3.pipe standard: EN 10255,DIN2440,BS 1387B,ASTM A53B,ASTM A120 etc. 4.Galvanized,electroplated and black surface, |