... 20 C(68 F) ThermalConductivity at 20 C(68 F) Melting rangeCoefficient of Thermal Expansion at 20 C(68 F) Tensile Strengthat 20 C(68 F)Elongation at 20 C ... .5% minimum. HRC %IACS at 68 FBtu/(ft-hr. F) at 68 FF10-6 per F (68- ... Washers, Navigational Instruments, ClipsFasteners: Washers, Fasteners, Lock Washers, Retaining Rings, Roll Pins, Screws, BoltsIndustrial: Pumps, Springs, Electrochemical, Shafts, ...