BS EN 4842:2019 Aerospace series. X5CrNiCu15-5 (1.4545). Consumable electrode remelted (ESR or VAR). Solution treated and precipitation treated (H1025). Bar for machining. a or D ≤ 250 mm. 1 070 MPa ≤ Rm ≤ 1 200 MPa. Premium quality (pq)

Metal coatings
Weight (mass)
Dimensions
Silver
Marking
Designations
Heat-resistant materials
Broaching
MJ threads
Fasteners
Aircraft components
Locking and locating devices
Threaded fasteners
Nickel alloys
Thread inserts

Link: BS EN 4842:2019 Aerospace series. X5CrNiCu15-5 (1.4545). Consumable electrode remelted (ESR or VAR). Solution treated and precipitation treated (H1025). Bar for machining. a or D ≤ 250 mm. 1 070 MPa ≤ Rm ≤ 1 200 MPa. Premium quality (pq)
Source: BSI Standards