... thermal shock resistance Alloyed with tungsten in 3%, 5%,25%, 26% content, rhenium make tungsten become more ductile and machineable.With ... , nuclear and space applications. Tungsten-Rhenium Thermocouple Wire WRe3/25,WRe5/26 φ0.1, φ0.2, φ0.25, φ0.3, φ0.35 ... .5 Sheathed Tungsten-Rhenium Thermocouple WRe3/25,WRe5/26 Sheath OD:φ2-φ20 Tungsten-Rhenium RodWRe3,WRe5,WRe25,WRe26 φ1-φ17 Tungsten-Rhenium ...