EN 10088-3 Grade X5CrNiMoCuNb14-5 / 1.4594

X5CrNiMoCuNb14-5 / 1.4594

Chemical Composition

Steel designation Chemical composition, % by mass
Steel Name Steel Number C Si max. Mn P max. S Cr Cu Mo Nb Ni Others
X5CrNiMoCuNb14-5 1.4594 ≤ 0,07 0,70 ≤ 1,00 0,040 ≤ 0,015 13,0 to 15,0 1,20 to 2,00 1,20 to 2,00 0,15 to 0,60 5,0 to 6,0 -

Mechanical Properties

Steel designation Thickness t or diameter a d Heat treatment conditionb Hardness c 0,2 %-proof strength Tensile strength Elongation after fracture Impact energy (ISO-V)
Steel Name Steel Number mm
max.
HB
max.
Rp0,2
MPa*)
min.
R m
MPa*)
A
%
min.
(long.)
KV
J
min
(long.)
Standard grades
X5CrNiMoCuNb14-5 1.4594 100 +AT 360 - max. 1200 - -
+P930 - 720 930 to 1100 15 40
+P1000 - 860 1000 to 1200 10 -
+P1070 - 1000 1070 to 1270 10 -
a  Width across flats for hexagons.
b  +AT = solution annealed; +P = precipitation hardened.
c  Only for guidance.
d For spring hard drawn condition see EN 10270-3.
*)  1MPa = 1 N/mm².