Design and manufacture of railway turnouts and crossings

Mieres Rail designs and manufactures, in a completely self-sufficient way, various railway turnouts and crossings with different characteristics, with a clear commitment to innovation. We have our own patents and developments, an intense R & D & i work and facilities having the most advanced technology in this field.

The company provides innovative solutions that meet the highest quality standards. Mieres Rail's range of products includes turnouts, single & double crossovers, single and double slip crossings, expansion joints, as well as manganese steel casted monobloc crossings or swing nose crossings for the high-speed railway lines.

The ISO 9001, ISO 14.001, ISO 45.001 and ISO 50.001 certifications support the highest quality standards in our manufacturing, the minimization of our environmental aspects and compliance with safety standards.

A quick look to Mieres Rail. Play

A timeline for our history


Fundición Duro Felguera begins casting manganese steel crossings.


Creation of Felguera Melt and start of manufacturing railway turnouts.


Felguera Melt acquires the land of Metalsa in Mieres and creates its subsidiary Felguera Rail S.A.


Starting trimetallic flash butt weldings.

March 2014

Change of company name from Felguera Rail to Duro Felguera Rail S.A.U.

April 2014

DF Rail passes successfully the factory acceptance tests of the first AV4 High Speed Turnout for 350 kms/h.

July 2014

Felguera Melt division and integration of all personnel and activities at DF Rail.

September 2016

Start-up of the new foundry for manganese steel crossings after an investment of €14M.

August 2018

Talleres Alegría takes a majority stake at DF Rail.

November 2020

Change of company name from Duro Felguera Rail S.A.U. to Mieres Raíl S.A.