Refractory Metals and Alloys Physical Properties & Specification

 

Physical Properties        
TypeUnitMoML*Moly TZMTaNbWRh
Typical Commercial Purity99.95%--Mo-99.4%
Ti-0.5%
Zr-0.08%
99.9%99.9%99.95%99.0%
Densitycm/cc10.2210.310.2216.68.5719.321.03
lbs/in20.3690.3760.3690.6000.3100.6970.760
Melting PointCelsius2623262026233017247734223180
°F4753474847535463546361925756
Boiling PointCelsius4612--46125425474456445627
°F8355--83559797857110.21110,161
Typical HardnessDPH
(Vickers)
230--280200130310--
Thermal Conductivity (@20 C)cal/cm2/cm°C/sec--0.35--0.1300.1250.3970.170
Coefficient of Linear Thermal Expansion10-6 (°C)-15.24.95.26.67.14.36.7
Electrical ResistivityMicro-ohm-cm5.75.17--13.514.15.519.1
Electrical Conductivity%IACS34.0----13.913.231.09.3
Tensile Strength (KSI)Ambient120-200----35-7030-50100-500200
500°C35-85----25-4520-40100-300134
1000°C20-30----13-175-1550-7568
Minimum Elongation (1 inch gauge)Ambient45----27155967
Modulus of Elasticity500°C41----25135555
1000°C39----2211.550--

*Molybdenum Lanthanum Oxide

Specifications       
TypeMoML*Moly TZMTaNbWRh
ASTMB386 Type 361
Sheet + Plate
--B386 Type 364
Sheet + Plate
B364B391B760
Sheet +Plate + Foil
--
B387 Type 361
Round Bar
--B387 Type 364
Round Bar
B365B392F288--
B521B393
B394
AMS78007817784978507898/7899
UNSR05400R04210 Type 2
CAS7439-98-77440-25-77440-01-017440-33-77440-15-5

*Molybdenum Lanthanum Oxide