This foundation specification (AMS3050) and its associated category specifications (AMS3050/1 through AMS3050/9) cover anti-seize compounds for use on threads of nuts, studs, bolts, and other mating surfaces, including those of superheated steam installations, at temperatures up to 1050 Â°F (566 Â°C). Compounds containing PTFE are limited to 600 Â°F/315 Â°C maximum. Materials for nuts, studs, bolts and other mating surfaces include, but are not limited to Steel, Nickel alloys, Stainless Steel, Silver coated materials.