Wiscalloy 25-35NB MA is a high-temperature cast heat-resistant microalloyed stainless steel with good creep-rupture properties. The alloy is centrifugally cast and is often used as petrochemical furnace tubing. This datasheet provides information on composition, physical properties, and tensile properties as well as creep. It also includes information on casting and joining. Filing Code: SS-656. Producer or source: Wisconsin Centrifugal. Originally published October 1996, corrected November 1996.