Vacuum Tube Heating Wire High Purity Tungsten Wire

• Customization: Available
• Application: Industrial
• Standard: ASTM
• Model NO.: WR-1
• Alloy: Non-alloy
• Shape: Wire
• Type: Tungsten Wire
• W Application: Industry, Incandescent Lamp and Sup
• W Shape: Wire
• Material: Tungsten
• W Type: Tungsten Wire
• Grade: W1, Wal1, W-4
• Packaging Detail: Wooden Box
• Spec: as Your Need
• W Purity: Over 99.95% W
• Density: 19.2g/cm3
• Colour: Black White
• Transport Package: Wooden Case
• Specification: ISO9001
• Trademark: SHIBO
• Origin: China
• HS Code: 81019910
• Production Capacity: 10ton/Month

Product Description

High temperature Tungsten wire:

Specification:
Purity: 99.95%
Density: 19.3g/cm3
Diameter: 0.5, 1, 1.5, 2mm
Surface: Black

Usage: Mainly used for making halogen filament, high temperature color filament, twist filament, white filament and fluorescence filament, white filament wire, vacuum tube heating wire. Used as frame of vacuum tube, heating elements.

   tungsten wire / tungsten filament
1. Purity: 99.95%-99.98%; 
2. Grade: W1, WAL1,W-4
3. Density:19.2g/cm3
4. Package:wooden case or on request;
5. The tungsten wire features excellent formability, long life and super lighting efficiency. Mainly used for making various electron tube, H series auto lamp,
halogen lamp and other special lamp
 
2.Pure tungsten wire:
1. purity: 99.95%
2. grade: Mo-1, Mo-2 
3. density:10.15g/cm3
 
 
3.Applications:
 *For producing electric light source parts and electric vaccum components
 *For producing heating elements and refractory parts in high temperature furnaces
 *For producing heating elements used in vaccum metalizing or plating
 Appearance:  W-wire is regular black covered with graphite. After graphite is removed it is metallic luster.
 
 
 
Chemical Composition:
 

Designation	Tungsten Content	Impurity Elements Content
Total	Each
W1	≥99.95%	≤0.05%	≤0.01%
W2	≥99.92%	≤0.08%	≤0.01%
Note: Potassium is not counted in impurities content.

 
Diameter tolerance(%):
 

Diameter (μm)	Weight (mg/200mm)	Weight(mg/200mm) Tolerance(%)	Diameter Tolerance(%)
Grade 0	Grade 1	Grade 2	Grade 0	Grade 1	Grade 2
5≤d≤12	0.075~0.44	-	±4	±5	-	-	-
12<d≤18	>0.44~0.98	-	±3	±4	-	-	-
18<d≤40	>0.98~4.85	±2	±2.5	±3	-	-	-
40<d≤80	>4.85~19.39	±1.5	±2.0	±2.5	-	-	-
80<d≤300	>19.39~272.71	±1.0	±1.5	±2.0	-	-	-
300<d≤350	>272.71~371.79	-	±1.0	±1.5	-	-	-
350<d≤500	-	-			±1.5	±2.0	±2.5
500<d≤1800	-	-