T91 P91 stainless steel pipe tube
P91/ T91 Alloy Steel Pipe Tube Material Data SheetP91/ T91 Pipe Tube Scope. This data sheet applies for seamless tubes. P91/ T91 Pipe Tube Application. The material P91/T91 is especially suited for steam boiler, boiler parts, boiler drum, pressure vessel for the apparatus engineering and similar purposes.