q235 2.5 inch SCH40 Black Carbon Steel Black Iron Pipe Weights 1.ERW Welded 2.Black Round 3.Manufacturer in Tianjin,China q235 2.5 inch SCH40 ... ,if you're interestedWe hope that our reasonable price,hight quality,best service will be the reason that we work together ... pipe or galvanized steel pipes. We also do business in High Frequency Longitude Welding pipes(ERW) ,SSAW ,seamless steel pipes,steel ...