... 3.material: plastic and steel 4. easy repair hot water composite pipeSpecificationsPSP Composite PipeThe main materials are PE ... Broad application: Chemical, Oil field, Mining, Textile, printing, dyeing and paper making, Building, Agriculture, Shipbuilding, water supply, drainage, gas, ... Pipe Thickness (mm)Pipe Working pressure (MPa) [hot and cold water, special liquid]Pipe Working pressure (MPa) [gas] ...