W5599 Tungsten Wire

Non-sag quality wire containing minimum 99.95% W, doped with Potassium, Silicon & Aluminium. Straightened and electrolytically cleaned. Straightness grade 1. Tolerance on diameter ±1%. Weight tolerance on diameter ±2%. Batch No. Gi4141 Tensile strength 2845-2883 MPa. Elongation 1.3-1.8%. Resistance 52.6 Ohm/m. Typical analysis ppm:Al 5,Ca<1,Cr<1,Cu<1,Fe 5,Mg<1,Mn<1,Ni<1,Si 1,Sn<1,Na<5, K 65,Mo<8. W balance 99.95% min.