translate English to French: In addition, Delta Tubes and Company Limited (Delta Tubes), one of Mittal's subsidiaries, supplies Mittal with standard pipe ranging from 2 in. to 6 in. in nominal size.
De plus, Delta Tubes and Company Limited (Delta Tubes), une des filiales de Mittal, fournit à Mittal des tubes normalisés de dimensions nominales variant de 2 po à 6 po.