stainess steel pipes diameter from 20mm to 75mm,high heat preservation,loading cost is lower ,50years life,95 degree temperatur Features of stainess steel pipes:Material: Random Polypropylene(Type 3) Sizes: 20mm to75mm Pressure Rating: 1.25MPa, 1.6MPa, 2.0MPa ,2.5MPa Colors: light grey, white or other colors on request Connection: socket fusion joint, electro fusion joint or transition joint ...