W5588 Tungstène Fil

"Batch No. Gi4824: Non sag, doped with K,Si, & Al. Resistance 14-15.2 Ohms/m. Tensile strength 2552-2629 MPa. Elongation 2.1-2.6%. " Weight 200mm:16.870 -17.050mg. Straightness 97cm/m. Tolerance on diameter ±1% (±2% by weight). Analysis batch No. Gi4824 ppm: K 78, Si 10, Al 20, Mo 30, As 10, Co 10, Na 10, Mg 5, Ca 10, Fe 2, Mn 5, Cu 3, Sn 4, V 5, Sb 2, Pb <1, Ni 6, Cr 5, Bi <1, Ti 5. Balance W 99.9778%.