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Os Material Datasheet

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Material Description

Material Number Material Name Standard Status VDA 231-106 classification
Os Os Valid 4.1 1)
1) Remark: The bluish-white precious metal material osmium (Os) belongs to the heavy platinum metals (density up to 22 g/cm³). It is hard, brittle, it is stable in the air, but with finely divided osmium even the smell of the very toxic osmium IV oxide can be registered. Non-oxidizing acids do not attack the material. Best solvents are alkaline oxidation melts. Osmium powder ignites at about 500°C and, like all Pt metals, has catalytic properties. It can not be processed as pure metal. Application: Osmium is used primarily as a catalyst in the reaction of gases and as a component of very hard alloys for electrical contacts and Füllfederspitzen.

Mechanical Properties

Condition Temperature [°C] Hardness HV
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Physical Properties

Condition Temperature [°C] Melting Temperature [°C] Density [g/cm³] Young's Modulus [GPa] Shear Modulus [GPa] Poisson's Ratio Mean Coefficient of Thermal Expansion (reference 20°C) [10^-6*K^-1] Thermal Conductivity [W/(m*K)] Specific Electrical Resistance [µΩm]
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Cross Reference

Material Name
Osmium

Producer/Supplier/Trade names

Tradename Supplier
Os Evonik-Degussa GmbH, Essen
Os Goodfellow GmbH, Hamburg

Classification

WIAM Material Treatment Semi-finished product Dimension [mm] Load type Failure criteria Rolling direction Maximum stress [MPa] Strain at maximum stress [%] Source description
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Density

Temperature [°C] Density [g/cm³]
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Linear-elastic

Temperature [°C] Young's modulus [GPa] Bulk modulus [GPa] Shear modulus [GPa] Poisson's ratio
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Coefficient thermal expansion

Related Temperature [°C] Temperature [°C] Coefficient thermal expansion [10^-6*K^-1]
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Thermal conductivity

Temperature [°C] Thermal conductivity [W/(m*K)]
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Electrical resistivity

Temperature [°C] Specific electrical resistance [µΩm]
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Designation

Designation Material number Source
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Classification

WIAM Material Treatment Semi-finished product Dimension [mm] Load type Failure criteria Rolling direction Maximum stress [MPa] Strain at maximum stress [%] Source description
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Electrical resistivity

Temperature [°C] Specific electrical resistance [µΩm]
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