by admin on 2023-03-23 17:37:23
The scope of ASTM A106 and A53ASTM A53 specification covers the steel pipe manufacturing types in seamless and welded, material in carbon steel, black steel. Surface natural, black, and hot-dipped galvanized, zinc coated steel pipe. Diameters range from NPS 1?8 to NPS 26 (10.3mm to 660mm), nominal w