20 # 45 # seamless steel pipe complete specifications, complete thin-walled walled specifications, factory outlets, the price is reasonable. Xinlong steel inquire 0512-65086995 13382509806 15950991968 complete specifications: 25 * 2.5,76 * 4,219 * 4,273 * 7,325 * 6.48 * 8.57 * 3.5,426 * 12,168 * 8,159 * 6,133 * 4.5,38 * 3.5,273 * 8,108 * 4.5,89 * 4.5,377 * 10,325 * 9,426 * 11.60 * 2,40 * 2,42 * 2,20 * 2,45 * 2,25 * 2,20 * 2, 48 * 1.5,27 * 2.28 * 2.25 * 5.70 * 2.50 * 1.5,159 * 2,219 * 5,30 * 2,34 * 2,35 * 2,14 * 2,15 * 2,38 * 2,219 * 12 14 * 1.5,15 * 1.5,219 * 16,168 * 10,168 * 13,168 * 5 seamless hollow sections, large quantities as piped fluid. Such as the transportation of oil, gas, gas, water pipes, etc., and some solid materials. Compared to other steel and solid steel bar, the same torsional strength in bending, lighter, it is an economic cross-section steel. Widely used in the manufacture of structural parts and mechanical parts, such as drill pipe, automotive drive shafts, bicycle frames and construction using steel scaffolding steel pipe manufacturing annular parts. Can improve material utilization, simplify the manufacturing process, saving materials and processing time, such as bearing rings, jack sets, has been widely used to make steel. Standing resource material for the: 10 #, 20 #, 35 #, 45 #, 16Mn, 27SiMn, 40Cr, 12Cr1MoV, 10CrMo910,15CrMo, 35CrMo, 45Mn2 like. We firmly believe that today's good reputation for quality and service, there will be broad breadth of market returns tomorrow, in each business from the beginning to the end of the whole process, regardless of how many customers need goods, the company each staff member will be on every supplier program to strict, honest, pragmatic, subtle, thoughtful service attitude to win long-term customers. The company is willing to more new and old customers to establish long-term friendly and cooperative relations, welcomed the call to discuss!