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Welcome to QSIL

We are the specialists for high-temperature refractory metals.
From semi-finished products such as plates, sheets or rods to finished parts and additively manufactured components: QSIL offers a diverse portfolio of products of the highest quality − developed in close cooperation with our customers.

Our team
235 employees

Our experience
> 60 years

Our variety
> 2.000 products

Discover the possible applications for our products.

Medical technology

QSIL is one of the leading suppliers of high-performance materials for state-of-the-art medical devices.

Industrial and plant engineering

QSIL produces refractory industrial equipment for the toughest industrial conditions.


QSIL enables fundamental solutions for the electronics industry thanks to materials expertise and practical experience.


QSIL offers solutions for highest performance in critical aerospace applications.

Get to know the special properties of our materials.

Benefit from our know-how in developing customised solutions.

Learn more about the competences of our production sites.


Hermsdorf is the competence centre for finished parts and additively manufactured products made of refractory metals.


Calne is the global centre of excellence for environmentally friendly and state-of-the-art thermal management products and standard systems.

QSIL takes over several H.C. Starck locations

The internationally active QSIL group of companies with headquarters in Ilmenau, Thuringia, is growing. In 2022, the multi-specialist for solutions made of high-performance materials took over the production sites in Hermsdorf, Calne and Taicang for the production and development of solutions made of refractory metals as well as a sales site in India from the H.C. Starck Group. QSIL is thus continuing the very successful growth course of recent years and is expanding its globally unique portfolio to include products, technologies and solution expertise from the field of refractory metals with high melting points and extremely high resistance.

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