Tungsten Heating Coil, Tungsten Filament for Vacuum Metallization

• Application: Aviation, Electronics, Industrial, Medical
• Standard: GB, ASTM
• Purity: >99.95%
• Alloy: Non-alloy
• Shape: Oval
• Type: Tungsten Wire
• Model NO.: HW31, HW61
• Surface Condition: Black, Cleaned, Polished
• OEM: Acceptable
• Density: 19.2g/Cm3min.
• Transport Package: in Plywood Box or Carton Case.
• Specification: Diameter: 0.02-1.15inch
• Trademark: ZZKD
• Origin: China
• HS Code: 81019600
• Production Capacity: 5000kgs/Month

Product Description

Item: Tungsten heating coil
Purity: 99.95%Min
Type: HW91/HW71/HW61/HW31/HW11 etc.
Size: According to customer's drawing and true sample.
Grade: WaL/W1(+AL)
Diameter: φ 0.4-1.3
Number of strands: 1-10(strands)
Difference between 2 feet(mm): Big heater element: ± 2mm; Small heater element: ± 1mm
Inside diameter tolerance: ± 0.3mm

Type	Application
HW91	Applied for making filament, shock-resistance filament and other high-terperature- resistance devices.
HW71	Applied for making auto lamp filament and other anti-shock devices.
HW61	Applied for making coiled-coil filament.
HW31	Applied for making coiled-coil or trispiral CFL filament, incandescent filament and surpport. Applied for making stranded tungsten wire, tungsten heater element and other no special temperature required devices.
HW11	Applied for making electrode and lead.