... , shipping military, chemical industry, environment protection, traffic, food industry, medical equipment.9) Standard: Seamless – ASTM A106, API 5L, ASTM A179, , ASTM A53 ... , 6, 7, 8, 9, 10, 11 And some other international standard and grade.10) Packing: Bundles, seaworthy wooden cases, with or ...