carbon steel seamless pipe,ASTM A.106 B,random length 1.OD:13.7mm-1219mm, 2. ... etc Description of Pipe:Productioncarbon steel seamless pipe,ASTM A.106 B,random length Specification13.7mm-1219.2mm (1/4''-48 ... 20#,45#,16Mn,Q235,304L ,316L,ST42,ST52,A106-a,A106-b,27SiMn,12Cr1MoV, and so onLength5-12m. As customers requirements ... hot-galvanized steel pipe carbon steel seamless pipe,ASTM A.106 B,random length