concrete pump deck pipe Model No.: DN125, Material: 20#/45Mn/55Mn, Thickness: 7.1mm/8.0mm, Flange Type: Sk148mm/157mm/166mm Flange concrete pump deck pipe 1.product description There are many different kinds of concrete pump straight pipe, usually is the twin wall pipe and single wall pipe ,about concrete pump deck pipe, we also can supply the single walll deck pipe and double wall deck pipe , single wall deck pipe is usually 7.0mm thickness, we use Outer diameter 140mm pipe to make this pipe , each one 3meter pipe weight is about 70kgs, delivery capacity is 50000cbm-60000cbm. Also have double layer deck pipe ,the thickness is also 7.0mm, inner wall pipe thickness is 3.0mm, outer pipe is 4.0mm, the twin walll pipe inner wall through quenching, the hardness and wear resistence degree more higher, service life is 60000cbm-80000cbm, of course the price is higher than usual single wall deck tube. Single wall deck pipe producing process: cutting pipe-welding flange collar-Sandblasting-painting-package Double wall deck pipe producing process:cutting pipe-put inner 65Mn pipe into outer 20# material pipe-welding double layer wear flange-Sandblasting-painting-package Concrete pump deck pipe dates a. Type: st52 seamless pipe and double layer pipe b. Material: 45Mn and 65Mn c. Length: 3m or according to the customer's required d. Thickness:7.0mm/8.0mm e: Service life: st52 seamless pipe is 50000cbm, double layer boom pipe is 60000cbm-80000cbm