... resistance tolerance, clean strip surface W. Nr : 1.4725 CrAl 14/4 CrAl Strip, Sheet, Tape, Ribbon Dimension: Thickness (0.02mm ... 20-100°CElectrical Resistivity at 20°C (Ohm, Circ, Mil/ft)Iron BALChrome 20%Aluminium 5%W.Nr 1.47671427.11250 ... °C(2280°F)1500°C(2730°F)10.5855 CrAl 14/4 CrAl Strip, Sheet, Tape, Ribbon