... Grade: Q235A, Q235B, Q345API 5L: GR A, GR B, X42,X46, X56, X60,X65,X70ASTM A252 GR 1, ... GR 2, GR 3ASTM A53: GR A, GR B, GR C, GR DBS 4360: Grade 43, Grade 50EN ... Test, Impact Test, Exterior Size Inspection, Hydrostatic Test, X-ray Test 8.Mill Test Certificate:EN 10204/3.1B ... Cangzhou Manier Import-Export Trading CO., LTD is a professional manufacturer & exporter of LSAW steel pipe, SSAW (spiral) steel ...