... with roller convey is to clean, de-rust of steel square pipe, bar, rebar, etc.SGS Aduit factory Model No.: ... life time of steel tube.Key specifications: Size of steel pipe: Φ100 x 12,000mm (L) Revolving speed of ... Shot Blasting Machine suit for processing H-beam, Steel structure, Pipe, Steel Plate, Heavy Casting Parts, Ship Chain, Steel ... .cn. Thanks. Shot Blasting Equipment Used To Clean Square Pipe