2013LST EN 4628-2013 Aerospace series - Steel X4CrNiMo16-5-1 (1.4418) - Air melted - Hardened and tempered - Bar - De ? 200 mm - 1 150 MPa ? Rm ? 1 300 MPa
2006LST EN 61290-5-1-2006 Optical amplifiers -Test methods - Part 5-1: Reflectance parameters - Optical spectrum analyzer method (IEC 61290-5-1:2006)
0000 LST EN 61290-5-1-2002
LST EN 61290-5-1-2006 Optical amplifiers -Test methods - Part 5-1: Reflectance parameters - Optical spectrum analyzer method (IEC 61290-5-1:2006) was changed to LST EN 4628-2013 Aerospace series - Steel X4CrNiMo16-5-1 (1.4418) - Air melted - Hardened and tempered - Bar - De ? 200 mm - 1 150 MPa ? Rm ? 1 300 MPa.