tungsten wires

Model:	-
Brand:	SHIBO
Origin:	Made In China
Category:	Metallurgy , Mining & Energy / Metallurgy & Mining / Non-ferrous Metal Products
Label:	-
Price:	US $50 / pc
Min. Order:	10 pc

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Product Description

Tungsten wires

1.Brand: w3101 W3102 W34 W1 W2

Content: W3 W34 W2 W≥99.929%

Character and usage

W3101: twist wire; it has good character in high temperature and endurance. Second crystal temperature≥1950℃, mainly used as filament wire in halogen filament, high temperature color filament, twist filament, white filament and fluorescence filament.

W3102: it has good character in roll and high temperature. Second crystal temperature≥1850℃, mainly used in white filament wire, vacuum tube heating wire.

W34: used in twist wire

W1 W2: used as frame of vacuum tube, heating elements

Tungsten wire introduction

1, Diameter: 0.01mm~2.00mm

2, Grade: W1, W2, WAL1, WAL2,

3, Density: Purity 99.92%, 99.98% can also be achieved if special demanded.

4, Quality standard: GB/T 4181-1997(tungsten wire)ASTM B760-86

5, Specific electrical: 0.055 Ohm x mm2/m resistance at 20 °C.

6, Modulus of elasticity: 410 kN/mm2, at 20 °C.

Grade	tungsten content(%)	usage
WALI	>=99.92	Manufacturing wire of high color lamp, wire of shockproof lamp and double-spiral wire
		Manufacturing wire of incandescent lamp, cathode of transmitting tube, hyperthermia electrode and reaming tungsten wire
		Manufacturing folding heating cord of electron tube
WAL2	>=99.92	Manufacturing wire of fluorescent lamp
		Manufacturing heating cord of electron tube, wire of incandescent lamp, and reaming tungsten wire
		Manufacturing folding heating cord of electron tube, grid wire and cathode
W1	>=99.95	Manufacturing reaming tungsten wire and heating components
W2	>=99.92	Manufacturing grid side rod of electron tube and reaming tungsten wire

1. Tungsten Wires
Diameter (µm)	Tungsten wre weight per 200 mm in length (mg)				Tolerance (%)
15-18	0.3-0.98				Class A	Class B
15-18	0.3-0.98				+2.5	+3.0
18-40	0.98-4.85				+2.0	+2.5
40-80	4.85-19.39				+1.5	+2.0
80-300	19.39-30.30				+1.0	+1.5
300-400	272.71-484.80				+0.5	+1.0
2. Cleaned Tungsten wire
Diameter (µm)	Tungsten wire Weight per 200 mm in length (mg)	Tolerance (%)		Linearity
10-18	0.3-0.98	Class A	Class B	Suspension length (%)	Chord high (mm)
10-18	0.3-0.98	+2.5	+3.0	-	-
18-40	0.98-4.85	+2.0	+2.5	-	-
40-80	4.85-19.39	+1.5	+2.0	90	-
80-100	19.39-30.30	+1.0	+1.5	-	-
100-300	30.30-272.71	+1.0	+1.5	-	8
300-400	272.71-484.80	+0.5	+1.0	-	-