What are controlled expansion alloys?

Typically useful when forming a hermetic seal with glass or ceramic or when a specific expansion must be met over a certain temperature range.

Benefits of Controlled Expansion Alloys

These alloys are found in a broad variety of applications where thermal changes of a metal must be factored into the design of a component.

The alloys classified in this category are Alloy 42, Alloy 46, Alloy 48 and Alloy 52, as well as Kovar®, Invar® and Super Invar

Specialty Metals Stocklist

Our range of premium quality materials include corrosion-resistant, high-temperature super alloys, titanium, stainless steel and copper based alloys.
Materials like HAYNES® Alloy, HASTELLOY® Alloy, ULTIMET® Alloy, MONEL® Alloy, INCONEL® Alloy, INCOLOY® Alloy and many more.

View Our Range

VIEW PDF

Proud members of great like minded organisations

“I can rely on them to take the trouble to help us out which means that I can then deliver to my customers the solutions that they are looking for. Specialty Metals enable us to do our job.”

- Delivering Solutions

Specialty Metals

Expansion Alloys