... Steel Pipe Flange 1.Flange Material:CS,SS,AS,etc 2.Flange specification:1/2inch-24inch 3.Flange Pressure:150LB-2500LB Steel pipe ... Flange:1.we are a manufacturer of steel pipe fittings, cover elbow, flange, tee, ... 150LB,300LB,600LB,900LB,1500LB,2500LBSpecification 1/2“~24"MaterialCS,SS,AS,etcTechnological saw cutting,heat treatment, die forging,machining, ...