ESSHETE 1250 is an austenitic creep resistant alloy steel recommended for high temperature service in the range 550-675 C. It is used for superheaters, pressure vessels, fasteners and turbine blades. This datasheet provides information on composition, physical properties, hardness, elasticity, and tensile properties as well as creep. It also includes information on high temperature performance and corrosion resistance as well as forming, heat treating, machining, and joining. Filing Code: SS-194. Producer or source: Samuel Fox & Company Ltd, Stocksbridge Works.