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39-hafnium

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39-hafnium Powered By Docstoc
					GENERAL PROPERTIES
Symbol: Atomic Number: Atomic Weight: Density: Melting Point: Boiling Point: Thermal Conductivity: Electrical Resistivity: Electronegativity: Specific Heat: Heat of Vaporization: Heat of Fusion: Thermal Neutron Cross Section: Hf 72 178.49 13.31 gm/cc 2227 oC 4602 oC 0.230 W/cm/oK @ 298.2 oK 35.1 microhm-cm @ 25 oC 1.3 Paulings 0.035 Cal/g/oK @ 25 oC 155 K-Cal/gm atom at 4602 oC 6.0 Cal/gm mole 115 Barns

MATERIAL OVERVIEW
Characteristics: Generally similar to zirconium. Gray crystals. Good corrosion resistance and high strength. Hazards: Explosive in powder form, either dry or wet with less than 25% water. Tolerance, 0.5 mg/m3. Toxic by inhalation. Compounds are also toxic. For more information visit the reference library at our web site: http://www.espi-metals.com

TEL: 800-638-2581

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FAX: 541-488-8313

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HAFNIUM

TYPICAL ANALYSES Impurities in ppm
2N7 Fe Ta N Ni O <200 <200 <1000 <100 <1000 Al B Cd Ca Cl 25 <0.2 <1 15 165 Cr Co Cu Fe Pb <10 <5 <40 65 <5 3N Mg Mn Mo Ni Si <30 <30 <10 <10 <40 Na Sn Ti W V <10 <10 <20 <10 <5

All others <50 ppm

WIRE
Item Description
Hafnium Wire .003” to .090” 2N8

Grades
3N

Wire is spooled to order and sold by the foot or meter.

ROD HAFNIUM
Item Description
Hafnium Rod .0625” to 1” 2N8

Grades
3N

Rod is cut to order and sold by the inch or foot.

FOIL
Item Description
Hafnium Foil .001” to .009” 2N8

Grades
3N

Foil is cut to order and sold by the square inch or square foot.

TEL: 800-638-2581

E-MAIL: sales@espi-metals.com

FAX: 541-488-8313

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SHEET
Item Description
Hafnium Sheet .010” to 1” 2N8

Grades
3N

Sheet stock is cut to order and sold by the square inch or square foot.

SPUTTERING TARGETS
Item Description
Hafnium Sputtering Target 2"D X .125"T Hafnium Sputtering Target 2"D X .250"T Hafnium Sputtering Target 4"D X .125"T Hafnium Sputtering Target 4"D X .250"T Hafnium Sputtering Target 5"D X .125"T Hafnium Sputtering Target 5"D X .250"T Hafnium Sputtering Target 6"D X .125"T Hafnium Sputtering Target 6"D X .250"T 2N8

Grades
3N

2N8

3N

2N8

3N

2N8

3N

2N8

3N

2N8

3N

2N8

3N

2N8

3N

Additional sizes available upon request. Sputtering Targets produced from Hafnium compounds are available upon request.

TEL: 800-638-2581

E-MAIL: sales@espi-metals.com

FAX: 541-488-8313

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HAFNIUM

POWDER, SHOT, PELLETS, & INGOT
Item Description
Hafnium Shot .125" Hafnium Pellets .250"D X .125"L Hafnium Pellets .250"D X .250"L Hafnium Ingot Hafnium Powder -100 Mesh Hafnium Powder -325 Mesh 2N8

Grades
3N

2N8

3N

2N8 2N8

3N 3N

2N8

3N

2N8

3N

Powder, shot, pellets, and ingots are packaged to order and sold by the gram or kilogram.

COMPOUNDS
Item Description Grades
2N5

HAFNIUM

Hafnium Boride, HfB2, -325 Mesh Hafnium Bromide, HfBr4, -20 Mesh Hafnium Carbide, HfC, -150, +325 Mesh Hafnium Carbide, HfC, -325 Mesh, +10 Microns Hafnium Carbide, HfC, -325 Mesh

2N7

2N5

2N5

2N5

(Continued on Next Page)

TEL: 800-638-2581

E-MAIL: sales@espi-metals.com

FAX: 541-488-8313

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COMPOUNDS
Item Description
Hafnium Chloride, HfCl4, -80 Mesh Hafnium Fluoride, HfF4, 1/2"-1/8" Pieces Hafnium Fluoride, HfF4, -60 Mesh Hafnium Hydride, HfH2, -325 Mesh Hafnium Iodide, HfI4, -60 Mesh Hafnium Nitride, HfN, -325 Mesh Hafnium Oxide, HfO2, Tablets Hafnium Oxide, HfO2, 1/2"-1/8" Pieces Hafnium Oxide, HfO2, -200 Mesh Hafnium Oxide, HfO2, -325 Mesh Hafnium Oxychloride, HfOCl2-H2O, -80 Mesh Hafnium Phosphide, HfP, -100 Mesh Hafnium Selenide, HfSe2, -325 Mesh (Continued on Next Page) 2N 2N 2N8 2N

Grades
4N

3N

3N

2N7

2N5

3N

3N

3N5

5N

2N

2N5

TEL: 800-638-2581

E-MAIL: sales@espi-metals.com

FAX: 541-488-8313

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HAFNIUM

COMPOUNDS
Item Description
Hafnium Silicide, HfSi2, -100 Mesh Hafnium Sulfide, HfS2, -200 Mesh Hafnium Telluride, HfTe2, -325 Mesh Hafnium Titanate, HfTiO4, -325 Mesh 2N5 2N5

Grades

3N

2N5

Compounds are packaged to order and sold by the gram or kilogram.

HAFNIUM
TEL: 800-638-2581

E-MAIL: sales@espi-metals.com

FAX: 541-488-8313

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posted:6/26/2009
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