1. GOST (State Standard) ISO 25239-1-2020. Friction welding with mixing. Aluminum. Part 1. Vocabularly, 2020.
2. GOST (State Standard) ISO 25239-2-2020. Friction welding with mixing. Aluminum. Part 2. Construction of welded joints, 2020.
3. GOST (State Standard) ISO 25239-3-2020. Friction welding with mixing. Aluminum. Part 3. Certification of welders–operators, 2020.
4. GOST (State Standard) ISO 25239-4-2020. Friction welding with mixing. Aluminum. Part 4. Technical requirements and certification of welding procedures, 2020.
5. GOST (State Standard) ISO 25239-5-2020. Friction welding with mixing. Aluminum. Part 5. Quality and control requirements, 2020.