Concrete boom pump wear resistant bend pipe performance comprehensive description Name :Boom wear resistant bend pipe Model E Specification:DN125 R275 90° Material:ZGMn13-4 Weight(kg) :15.7 Manufacture process :Precision Casting Dimmension and degree tolerance:＜1mm ＜1° Pressure :160bar Flange section:Precision Machining Surface coating: Epoxy Resin Paint