... steel tubes/ pipes, API SPEC 5L pipes, MATERIAL :ST 37, ASTM A106 Gr B; A53, A210; API 5L X42, X46, X52 ... -A,A53-B,A106-A,A106-B,ST37,ST42,ST52SpecificationO.D.:13.7-610mmW.T.:2.24-30.96mmLength:3-13MUsage ... .run.minisite.productShow(); oProductShow.init( { 'aImgSrc': aBigImageSrc } ); } )(); Round Seamless Pipe(ASTM A106/53 Gr B)