UNE-EN 4842
Aerospace series - Steel X5CrNiCu15-5 (1.4545) - Consumable electrode remelted (ESR or VAR) - Solution treated and precipitation treated (H1025) - Bars for machining - a or D ≤ 250 mm - 1070 MPa ≤ Rₘ ≤ 1200 MPa - Premium quality (pq) (Endorsed by Asociación Española de Normalización in November of 2023.)