Ratnam Steel Ltd. is a distributor of high purity metal powders and compounds including Hafnium metals.  Hafnium round bars in diameter ranges from 0.035 inches to 4 inches.  Hafnium sheet thickness ranges from 0.0005 inches to 0.500 inches.  Hafnium round tube OD ranges from 0.005 inches to 0.500 inches.  Hafnium powder is also in our inventory.  Custom Hafnium sizes are also available upon request.  Check availability with our sales department to see if Ratnam Steel Ltd. can provide your Hafnium metal requirement.

Hafnium Information

Chemical Symbol: Hf
Date of discovery: 1923
Name of origin: Hafnia, Latin name for “Copenhagen”
Density at 293 K: 13.2 g/cm3
Atomic Number: 72
Atomic Mass: 178.49 amu
Melting Point: 2150.0 C (2423.15 K, 39 F)
Boiling Point: 5400.0 C (5673.15 K, 97 F)
Number of Electrons / Protons: 72
Number of Neutrons: 106
Classification: Transition Metal
Color: Silver
Crystal Structure: Hexagonal
Number of Energy Levels: 6
Uses: Nuclear Reactors; Electrode in Plasma Cutting


~ Ductile metal that is corrosion-resistant
~ Chemically similar to Zirconium

Forms and Shapes Available

Hafnium Bars
Hafnium Coils
Hafnium Foils
Hafnium Plates
Hafnium Powder
Hafnium Rods
Hafnium Sheets
Hafnium Targets
Hafnium Tubes
Hafnium Wire