1. Marterial: Alloy+20# 2.Length :1m-9m 3 Serving brand ... Sany, IHI ,Schwing Detailed Product Descriptionwear resisting concrete pump pipe 1.rigidity:60-65HRC 2.life:50000CBM 3.material:ST52,45Mn2 ... mm)Multiunit Flange10 8,000Pipe 4.85148(mm )Multiunit Flange 1,000(45Mn2)5148(mm ) Multiunit Flange 12,000 7152- ... (mm) Multiunit Flange picture HIH DN125 Concrete Pump Pipe(twin-wall) With twin wall flange