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Quality Control

procedures and technology


All the departments and procedures of the company, from the order of the raw material to the delivery of the final product are validated by the most contemporary measuring equipment through an internal managing quality system.

Raw material is procured only by standardized suppliers who follow the international quality standards. The chemical composition, the dimensions and the quality features have to comply with strict specifications.

These are the parameters that guarantee the production of steel elbows of the highest quality. Steel elbows are tested for their diameter, their wall thickness, the radius of curvature as well as the surface of the material.

INTERSTEEL S.A. follows international standards EN10253-1/2 3D and 5D and ANSI B16.9.