Standard: API5L/ ASTM A106 Gr. B, A53 Grade: ASTM A106, A53, X42, X52, X60, X65, X70 Out Diameter: (1/8"-48")In/ (10.3- 1219.2)mm, Thickness: SCH10- SCH160 Length: 4- 10 m or above Surface: Annealed/Pickled/Polished/ coating. Ends: Plain ends or Bevel ends. Production capacity: 850, 000 metric tons per month Others: Special design available to customer requirements customized Any of your inquiries would be highly appreciated for us. We will devoted to offering you high quality products with the most competitive prices.