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99.95% Pure Tungsten Products 750 MPa Tungsten Ring For Semiconductor

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99.95% Pure Tungsten Products 750 MPa Tungsten Ring For Semiconductor

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Model Number :	Tungsten Ring
Price :	Negitionable
Payment Terms :	L/C, D/A, D/P, T/T
Supply Ability :	10000sets/month
Delivery Time :	30 days after receiving down payment

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99.95% Pure Tungsten Products 750 MPa Tungsten Ring For Semiconductor

99.95% Pure Tungsten Products Tungsten Ring For Semiconductor

Introduction

Grade: W 1
Purity: > 99.95%
Density: 17.1 g / cm 3-19.3 g / cm 3
Size: Diameter > 10 mm * thick > 0.1 mm
Processing technique: cold rolled/machined
Surface: polished surface /machined surface
Color: metal color
Condition: vacuum annealing
Melting point: 3410 degree
Boiling point: 5927 degree
Delivery time: 3-10 days

Parameter

Molecular Weight	183.85
Appearance	Silvery
Melting Point	3410 °C
Boiling Point	5900 °C
Density	19.3 g/cm3
Solubility in H2O	N/A
Electrical Resistivity	5.65 μΩ ·m (27 °C)
Electronegativity	1.7 Paulings
Heat of Fusion	35.3 kJ/mol
Heat of Vaporization	806.7 kJ/mol
Poisson's Ratio	0.28
Specific Heat	0.133 J/g mol (20 °C)
Tensile Strength	750 MPa
Thermal Conductivity	1.73 W/m K
Thermal Expansion	(25 °C) 4.5 µm·m-1·K-1
Vickers Hardness	3430 MPa
Young's Modulus	411 GPa

Tungsten Ring Applications

1. widely used in semiconductor, chemical vapor deposition (CVD) and physical vapor deposition (PVD) display and optical applications;

2. applied in producing electrodes, heating elements, heat shields, sintering trays, sintering boats, stacking sheets, base plates, sputtering targets, crucibles in electronic and vacuum applications.

3. can be used as contacts in vehicle motors.

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