UNE-EN 2306:2017 Aerospace series - Heat resisting - Nickel base alloy Ni-Cr20Co3Fe3 - Annealed - Bars (Endorsed by Asociación Española de Normalización in December of 2017.)
2017UNE-EN 2306:2017 Aerospace series - Heat resisting - Nickel base alloy Ni-Cr20Co3Fe3 - Annealed - Bars (Endorsed by Asociación Española de Normalización in December of 2017.)