Straight Tungsten Wire

Product Detail

Baoji Shengyuan Metal Material Co.,Ltd is one of the leading China straight tungsten wire manufacturers and suppliers, equipped with a professional factory and company, welcome to wholesale quality straight tungsten wire products from us.

straight tungsten wire:Dia:Dia.1- Dia.2    Size:1-2mm
tungsten wire in roll:Dia:Dia.0.1- Dia.3  
Tungsten Wire Applications
Tungsten wire are used to make filaments of incandescent lamps, fluorescent lamps, and halogen lamps, electrodes of HID lamps, heating components, vacuum metalizing coils, and TIG welding electrodes.
Product Specifications

Name	Type	Doped element        content	W%	Diameter	Usage
Tungsten wire	W1		=99.95	F0.40~1.80	For high temperature and shaking resistive  lamp,Double-spiral lamp  wire ,fluorescence  lamp,nomal lamp filament.
	WAl1		=99.95	F0.012~1.80
	WAl2		=99.95	F0.012~1.80
Cleaned  Tungsten wire	WAl1		=99.95	Produce  according to the    demands of       customer	Used in electric  vacuum and electric light source,electron tube ,car  lamp series,halogen  lamp,special lamp.
	WAl2		=99.95

Sizes and Tolerances

Diameter        (µm)	Weight       (mg/200mm)	200mm Weight Tolerance (%)			Diameter Tolerance (%)
		Grade 0	Grade ?	Grade ?	Grade ?	Grade ?
8	0.19	±3.0	±4.0	±5.0	—
14	0.59	±2.5	±3.0	±4.0	—
18	0.98	±2.0	±2.5	±3.0	—
40	4.85	±1.5	±2.0	±2.5	—
80	19.39	±1.0	±1.5	±2.0	—
300	272.71	—	±1.0	±1.5	—
350	—	—			±1.5	±2.0
d>500	—	—			±1.0	±1.5

Note: Size and tolerances could be custom-made.
Properties and Characteristics
High temperature property: According to the specific applications, high temperature property requirements are categorized.
Diameter consistency: Weight deviation of two consecutive 200mm wire pieces is less than 0.5% of nominal value.
Straightness: Regular tungsten wire: In accordance with customers’ requirements.
Straightened tungsten wire: For the tungsten wire thinner than 100µm, vertical height of 500mm freely suspended wire should not be less than 450mm; For the tungsten wire at or thicker than 100µm, the maximum arc height between two pints with distance of 100mm is 10mm.
Surface conditions: Smooth surface, free of splits, burrs, cracks, dents, dots, grease contamination.
Coilability: No splits or breaks during coiling process.
Piece weight: Up to 5kgs for fine tungsten wire, 10kgs for heavy tungsten wire.
Conditions of Finished Products
Tungsten wires are available in the following conditions

Code	Conditions of Finished              Products	Code	Conditions of Finished               Products	Code	Conditions of Finished                     Products
C	Chemical Cleaned	DS	Drawn+ Straightened	EHS	Electrolytic Polished+ Annealed+  Straightened
CS	Chemical Cleaned +  Straightened	E	Electrolytic Polished	ES	Electrolytic Polished+  Straightened
D	Drawn	EH	Electrolytic Polished+  Annealed	H	Annealed

Payment 
1)You may pay by PayPal /Western Union or T/T;
2)30% deposit and 70% balance for large order quantity.
Shipping
1)Delivered by DHL, EMS, UPS, FedEx, TNT or HK air mail .
2)3-7 working days delivery after payment
3)Proper lower customs value is accepted to write on commercial invoice to avoid paying import tax for buyer.
4)Offer the tracking number to customers