CLI-SAF 2507 is a superaustenitic/ferritic duplex stainless steel with a pitting resistance equivalent number (PREN) greater than 40. This grade was formerly called Uranus 47N+ and is an overalloyed replacement variant of UR 47N (See Alloy Digest SS-564, March 1994). This datasheet provides information on composition, physical properties, hardness, elasticity, tensile properties, and shear strength. It also includes information on corrosion resistance as well as forming, heat treating, machining, and joining. Filing Code: SS-981. Producer or source: Industeel USA, LLC.