1. 1) DIRECTIVE 2002/95/EC OF THE EUROPEAN PARLLAMENT AND OF THE COUNCIL, Jan. 27, 2003
2. 2) DIRECTIVE 2011/65/EU OF THE EUROPEAN PARLIAMENT AND OF THE COUNCIL, Jun. 8, 2011
3. 4) AMS 6417 “Steel, Bars, Forgings, and Tubing 1.6Si - 0.82Cr - 1.8Ni - 0.40Mo - 0.08V (0.40 - 0.45C) Consumable Electrode Vacuum Remelted”, SAE International
4. 5) Louis Raymond ; “Hydrogen Embrittlement : Prevention and Control”, ASTM STP962, 6, 1988