EN 15085 standard describes the welding process of railway vehicles and components. Organizations with an EN 15085-2 certificate that carry out the production, repair and examination of railway vehicles and parts can prove that they meet the international standard requirements for welded manufacturing.

Bodies providing EN 15085-2 certification services must be authorized as an accredited body according to the ISO/IEC 17065 standard. Türk Loydu is a TÜRKAK-accredited body with ISO/IEC 17065 standard offering certification services according to the EN 15085-2 standards.