Alfa Chemistry Materials Tantalum single crystal disc, (111) orientation

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Alfa Chemistry Materials Tantalum single crystal disc, (111) orientation
Categories:	Metal
Material Notes:	Tantalum single crystal disc, 10mm (0.39in) dia, 1-3mm (0.04-0.1in) thick, (111) orientation, ±0.5°, zone refined Information provided by Alfa Chemistry Materials.
Vendors:	Alfa Chemistry is an ISO 9001:2015 certified supplier of various materials, including: MOFs, coatings, nanomaterials, metals, polymers, carbon fibers, graphite, ceramics, glass, semiconductors, catalysts, carbon nanotubes, fullerene, COFs, molecular sieve, quantum dots, recycled plastics, photonic and optical materials, and magnetic materials, for customers worldwide. Alfa Chemistry also provides custom synthesis services for nearly all kinds of materials and chemicals. Learn more about Alfa Chemistry's high quality products at materials.alfachemic.com. Click here to view all available suppliers for this material. Please click here if you are a supplier and would like information on how to add your listing to this material.
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Physical Properties	Metric	English	Comments

Density	16.69 g/cc @Temperature 20.0 °C	0.6030 lb/in³ @Temperature 68.0 °F
Molecular Weight	180.94 g/mol	180.94 g/mol

Mechanical Properties	Metric	English	Comments
Hardness, Vickers	870 - 1200	870 - 1200	MPa Microhardness
Modulus of Elasticity	186 GPa	27000 ksi
Poissons Ratio	0.34	0.34

Electrical Properties	Metric	English	Comments
Electrical Resistivity	0.0000131 ohm-cm @Temperature 20.0 °C	0.0000131 ohm-cm @Temperature 68.0 °F

Thermal Properties	Metric	English	Comments
Heat of Fusion	202 J/g	86.9 BTU/lb
Heat of Vaporization	4162 J/g	1790 BTU/lb
CTE, linear	6.30 µm/m-°C	3.50 µin/in-°F
Specific Heat Capacity	0.140 J/g-°C	0.0335 BTU/lb-°F
Thermal Conductivity	57.5 W/m-K	399 BTU-in/hr-ft²-°F
Melting Point	3017 °C	5463 °F
Boiling Point	5458 °C	9856 °F

Descriptive Properties
Alfa Chemistry Materials Category	Metals and Materials
Appearance	Silvery-gray solid
CAS Number	7440-25-7
Crystal Phase	a: body-centered cubic (bcc) / ß: tetragonal
EC Number	231-135-5
Electronegativity	1.5 Paulings
GHS Hazard statements	H228-H315-H319-H335
GHS Precautionary Statements	P210-P261-P280-P305+P351+P338-P405-P501
GHS Safety Description	26-36/37/39
Hazard Codes	F, Xi
MDL Number	MFCD00011252
Molecular Formula	Ta
Purity	99%, 99.5%, 99.9%, 99.95%, 99.99%, 99.999%
Risk Codes	11-36/37/38
Signal Word	Danger
UN Number	UN 3089 4.1 / PGII

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