... speciation O.D:1/2"-28",21.34 -711.2mm W.T: SCH10S- SCH1202.Seamless steel pipe for high temperature:ASTM A 106 ... GR.B,Steel Grade: SA106B and speciation O.D:1/2"-28",21.34 ... st37,st42,st52,st35.8-st45.8/1, speciation O.D: 1/2"-28",21.34-711.2mm W.T: SCH10S ... line Pipe: API SPEC 5LSteel Grade :A,B,X42,X46,X52 (PSL1)and speciation O.D: 2"-28",60.3-711.2mm ...