Alloyed with tungsten in 3%, 5%,25%, 26% content, rhenium make tungsten become more ductile and machineable. ... high temperatureGood thermal shock resistance Alloyed with tungsten in 3%, 5%,25%, 26% content, rhenium make tungsten become more ductile and machineable ... φ0.1, φ0.2, φ0.25, φ0.3, φ0.35, φ0.5 Sheathed Tungsten-Rhenium Thermocouple WRe3/25,WRe5/26 Sheath OD:φ2 ...