W-Ni-Fe alloy plate Available in a wide range of forms including nut, screw, ring, wire, foil, sheet, rod, tube W-Ni-Fe ... electric light source parts,components of electric vacuum; * For producing W-boats,heat shield and heat bodies in high temperature furnace ... forms including nut, screw ,ring ,wire, foil, sheet, rod, strip, plate, tube, alloys according to Standard ASTM AMS ASME MIL DMS ...