Tungsten Properties

tungsten mechanical physical properties specifications chemistry

When selecting the materials to best meet the requirements of your application, the physical properties are of critical importance.  For instance, Tungsten’s hardness and high density makes it ideal for penetrating projectiles used by the military. 


As a reference we have provided the typical properties for Tungsten below. If you require additional material property data, please contact us for assistance. Download your EFINEA Tungsten data sheet or any of the other refractory metals and alloys we supply, by navigating to the Data Sheets section within the Technical Library.

Tungsten Typical Physical Properties

Density @ 20°Cg/cm319.25
Melting Point°F6188
Electrical Conductivity @ 20°CS/m18.2 x 106
Electrical Resistivity @ 20°C(Ω·mm2)/m0.055
Thermal Conductivity @ 20°CW/(m·K)164
Specific Heat @ 20°CJ/(g·K)0.13
Coefficient of Linear Thermal Expansion @ 20°Cm/(m-K)4.4
Source: Plansee, www.plansee.com

Tungsten Typical Mechanical Properties

Yield StrengthMPa750
Typical Hardness @20°C
- Stress-Relief AnnealedHV 30 (Vickers)>460
- RecrystallizedHV 30 (Vickers)~360
Modulus of Elasticityksi (GPa)58 (405)
Poisson Ratio0.28
Source: Plansee, www.plansee.com

Tungsten Chemistry

Minimum % 99.95
Source: ASTM B760

Tungsten Specifications

ASTM B760ASTM F288 Type 1BAMS 7898 / 7899CAS 7440-33-7UNS RO7005

For additional information on specifications of the materials distributed by EFINEA, please visit the websites of the international organizations that develop and publish technical standards: ASTM International and ASM International.

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