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REFRACTORY METAL

Tantalum

ASTM B708, AMS 7846
Refractory MetalVery High Cost
DENSITY
17 kg/m³
MELTING POINT
3,017°C
TENSILE STRENGTH
285 MPa
MAX SERVICE TEMP
2,500°C

Tantalum is a refractory metal used in aerospace applications. Melting point: 3,017 °C. Tensile strength: 285 MPa.

ABOUT TANTALUM

Tantalum is a refractory metal with excellent corrosion resistance and a high melting point of 3017°C. It is highly biocompatible and resistant to almost all acids, making it valuable for chemical processing in propellant systems. In aerospace, it is used for hot-gas valves, nozzle components, and heat exchangers.

CHEMICAL COMPOSITION

Ta 99.9%+

ROCKET & SPACECRAFT APPLICATIONS
Hot-gas valves
Rocket nozzle components
Chemical processing equipment
Capacitors for avionics
Heat exchangers
MANUFACTURING PROPERTIES
CORROSION RESISTANCE
Outstanding
WELDABILITY
Good (inert atmosphere)
MACHINABILITY
Fair
COST RATING
Very High
MECHANICAL PROPERTIES
DENSITY17 kg/m³
TENSILE STRENGTH285 MPa
YIELD STRENGTH170 MPa
STRENGTH-TO-WEIGHT17076.1 kN·m/kg
THERMAL PROPERTIES
MELTING POINT3,017 °C
MAX SERVICE TEMPERATURE2,500 °C
THERMAL CONDUCTIVITY57.5 W/m·K
THERMAL EXPANSION6.3 µm/m·K
COMPLETE SPECIFICATIONS
CATEGORYRefractory Metal
DESIGNATIONSASTM B708, AMS 7846
MANUFACTURERGlobal Advanced Metals / H.C. Starck
DENSITY17 kg/m³
TENSILE STRENGTH285 MPa
YIELD STRENGTH170 MPa
MELTING POINT3,017 °C
MAX SERVICE TEMP2,500 °C
THERMAL CONDUCTIVITY57.5 W/m·K
THERMAL EXPANSION6.3 µm/m·K
CORROSION RESISTANCEOutstanding
WELDABILITYGood (inert atmosphere)
MACHINABILITYFair
COST RATINGVery High

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