Technical Library

Welcome to the EFINEA Technical Library – A comprehensive, growing collection of informative and instructive data on the specialty metals and alloys we supply.

Expert Education Forum

A quick, concise educational forum covering special purpose metals and alloys from the experts at EFINEA

The Process of Producing Tungsten Alloys

Condensed step-by-step guide on the process of liquid Phase Sintering the method used to produce Tungsten Alloys from powder.

Data Sheets

Download or print the EFINEA Data Sheets as your resource. Data sheets contain the typical mechanical, physical, chemistry values along with select scientific property data for the metals and alloys we supply.

Technical Literature

A comprehensive compilation of articles and reference materials archived through the years on the metals and alloys stocked at EFINEA


View our assortment of videos covering the key characteristics provided by the Controlled Expansion, Refractory Metals & Alloys and Soft Magnetics Alloys we sell at EFINEA

Controlled Expansion Alloys

Established in 1965, EFINEA is the industry’s preeminent supplier of controlled expansion alloys. Our inventory of Alloy 42, Alloy 46, Alloy 48 and Alloy 52, as well as Kovar®, Invar and Super Invar are found in a broad variety of applications that require hermetic sealing during changes in thermal expansion.

Invar® Controlled Expansion Alloy

When your application requires an alloy with minimal dimensional changes due to temperature variations, turn to EFINEA as your material source.  We supply Invar® and a wide selection of other controlled and low expansion alloys.

Kovar® – ASTM F15 Controlled Expansion Alloy

EFINEA is a leading supplier of Kovar® – ASTM F15. Watch how this controlled expansion, glass-to-metal sealing, nickel-iron-cobalt alloy is capable of maintaining its integrity in a range of environments. This alloy is also known as Pernifer® 2918, Dilver® P1, Nilo® K.

Refractory Metals & Alloys

When your next application requires a material with a high melting point, good strength at elevated temperatures, good thermal and electrical conductivity including a low coefficient of expansion, turn to EFINEA as your trusted supplier. Watch this short video on this class of specialty metals and alloys we supply.

Soft Magnetic Alloys

EFINEA is a leading distributor of soft magnetic alloys for specialized applications that require high permeability, low losses and low residual magnetism. Learn how EFINEA Alloy 50, High Permeability 49®, EFINEA Alloy 79, Magnifer® 7904, HyMu® 80, Hiperco® 50 family of alloys and Core Iron VIM VAR may be suited for you next application.