TEMCo Stainless Steel Wire SS 316L - 20 Gauge 100 FT Non-Resistance AWG ga 20 AWG, Average wire diameter: 0.032 in. (0.8128 mm), 0.435 Ohms/ft at 68F Stainless Steel 316L Annealed. Rated for temperatures up to 1371-1399C (2500-2550F). 100% MADE IN THE U.S.A. All TEMCo wire is produced and spooled right here in the U.S.A. PERFECTLY TENSIONED. Zero elongation, scratches or other flaws ensure quality wire on every spool. ZERO CONTAMINANTS. Clean production environment houses the spooling process. Hands-off computerized spooling eliminates skin salts and oils.