... in a wide range of forms including nut, screw, ring, wire, foil, sheet, rod, tube W-Ni-Fe alloy sheetApplications: * For producing ... electric light source parts,components of electric vacuum; * For producing W-boats,heat shield and heat bodies in high temperature furnace ... products is available in a wide range of forms including nut, screw ,ring ,wire, foil, sheet, rod, strip, plate, tube, alloys ...