carbon steel seamless pipe,ASTM A.106 B,random length 1.OD:13.7mm-1219mm, 2.WT: ... etc Description of Pipe:Productioncarbon steel seamless pipe,ASTM A.106 B,random length Specification13.7mm-1219.2mm (1/4''-48 ... . hot-galvanized steel pipe carbon steel seamless pipe,ASTM A.106 B,random length