National Tubes Limited

National Tubes Limited, based in Bangladesh, is a prominent pipe manufacturing company specializing in various types of pipes. The company produces American Petroleum Institute (API), galvanized iron (GI), and mild steel (MS) pipes, covering diameters ranging from 0.5 to 8 inches. National Tubes manufactures pipes with different schedules, including 80, 40, 30, and 20, and complies with international standards such as API 5L PSL1, ASTM A-53B, Bureau Veritas, BS 1387, and the Bangladeshi standard BSTI (BDS 1031). The company's product range includes API, ASTM A 53 B, Marine Grade, MS, and GI pipes. Black pipes up to three nominal diameters and all sizes of GI pipes are manufactured in 6.1-meter lengths. National Tubes Limited operates through three units: the first unit with a welding capacity of approximately 6000 metric tons per year, the second unit covering a product range from 0.5 inches to four inches in diameter with a welding capacity of about 9000 metric tons, and the third unit covering four inches to eight inches in diameter with a welding capacity of approximately 30,000 metric tons. The total welding capacity of both operative units is 39,000 metric tons per year.