10#, 20#,45#,16Mn, GRB, Q345B, X42-56, ST44, ST52S355, S275, STKR490, A500, A179 , ASTM A106/A53 API5L GR.B. Etc.
2.standard: GB/T8162/8163/3087/5310, ASME B36 10, ASTM A106/A53, API 5L/5CT, DIN2448/1629, EN10210/10219, JIS G3466, ASTM A179
3.OD: 21.3MM-610MM
4.WT: SCH10-SCHXXS
5.Length: 5m--12m
6.Ends: Plain or beveled, with plastic caps on both ends if required
7.Certificates: API 5L/ 5CT, CE, ISO