GENERAL PROPERTIES
SYMBOL: Mo
NUMBER: 42
ELEMENT CATEGORY: Transition Metals
PHYSICAL PROPERTIES
PHASE: Solid
STD ATOMIC WEIGHT: 95.94 g·mol−1
MELTING TEMPERATURE: 2896 K, 2623 °C, 4753 °F
BOILING POINT: 4912 K, 4639 °C, 8382 °F
CRYSTAL STRUCTURE: Body-Centered Cubic
ELECTRICAL RESISTIVITY: (20 °C) 53.4 nΩ·m
THERMAL CONDUCTIVITY: (300 K) 138 W·m−1·K−1
THERMAL EXPANSION: (25 °C) 4.8 µm·m−1·K−1
KEY FACTS
Discovered in 1778 by Carl Wilhelm Scheele
First used as armor plating on British tanks in World War I
Has one of the lowest coefficients of thermal expansion of most commercial metals
MAJOR APPLICATIONS
High temperature applications including furnace parts, lighting components and electrical contacts
Commonly added to high strength steel alloys
Used in the production of molten zinc
AVAILABLE ALLOYS
Molybdenum
(TZM) Molybdenum .5% Titanium .08% Zirconium
Molybdenum 30%Tungsten
Molybdenum 50% Rhenium
