ALEASTUR has a consolidated international reputation and is considered one of the leading companies in the production of grain refiners and master alloys for the aluminum industry.

We supply our products to more than 800 clients in 75 countries around the world, satisfying the most demanding requirements and technical standards.

We are part of a group of companies that endorses, reinforces and complements our activities and facilities with all the available technical and commercial resources.

aleastur group

Our products

The widest range of aluminium grain refiners and master alloys for wrought and foundry alloys.

grain refiners photo grain refiners more info
master alloys photo master alloys more info
PAF photo PAF more info
rod feeders photo rod feeders more info
Fotos 1
Fotos 2


Nowadays we are certified on the 5 following ISO standards
(9001, 14001, 18001, 166002, COVID).


iso 9001 ER-0031/1993
iso 14001 ES-2002/0253
iso 18001 SST-0239/2012
une 166002 IDI-0010/2004
COVID-19 COV-2020/0088