BS-EN-4631 Complete Document History
Aerospace series. Steel X4CrNiMo16-5-1 (1.4418). Air melted. Hardened and tempered. Bar. De 200 mm. 900 MPa Rm 1 050 MPa

Complete Current Edition:
   2013 EDITION - Aerospace series. Steel X4CrNiMo16-5-1 (1.4418). Air melted. - March 31, 2013

Obsolete Revision Information:
   2007 EDITION - BAR, DE < 200 MM, 900 MPA < RM < 1050 MPA - Aug. 29, 2008