Features of ST52 DN125 Concrete pump delivery pipes Lasting long life time High wear-resistance Shortest delivery time with pretty price datasheets of ST52 DN125 Concrete pump delivery pipes Type Size Thickness Length(mm) Service time   ST52 Steel Pipe   DN125 (5”) 4.0mm   4000/3000/ 2000/1000etc. More than 12thousand cbm ST52 Steel Pipe DN125 (5”) 4.5mm 4000/3000/