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X 1 NiCrMoCu 25 20 5

EU EN X1NiCrMoCu25205 Stainless steels - part 3: technical delivery conditions for semi-finished products,bars,rods and sections for general purposes and Mechanical Properties, Chemical Element, Cross Reference.

Category Grade Standard Region/Area Standard Content
Metals X 1 NiCrMoCu 25 20 5 EN 10088-3 EU Stainless steels - part 3: technical delivery conditions for semi-finished products,bars,rods and sections for general purposes

Chemical composition(mass fraction)(wt.%) of the X 1 NiCrMoCu 25 20 5

Element Min Max Similar
Si - 0.7000 -
S - 0.0100 -
P - 0.0300 -
Ni 24.0000 26.0000 -
N - 0.1500 -
Mo 4.0000 5.0000 -
Mn - 2.0000 -
Cu 1.2000 2.0000 -
Cr 19.0000 21.0000 -
C - 0.0200 -
Si - 0.7000 -
S - 0.0100 -
P - 0.0300 -
Ni 24.0000 26.0000 -
N - 0.1500 -
Mo 4.0000 5.0000 -
Mn - 2.0000 -
Cu 1.2000 2.0000 -
Cr 19.0000 21.0000 -
C - 0.0200 -
Si - 0.7000 -
S - 0.0100 -
P - 0.0300 -
Ni 24.0000 26.0000 -
N - 0.1500 -
Mo 4.0000 5.0000 -
Mn - 2.0000 -
Cu 1.2000 2.0000 -
Cr 19.0000 21.0000 -
C - 0.0200 -
Si - 0.7000 -
S - 0.0100 -
P - 0.0300 -
Ni 24.0000 26.0000 -
N - 0.1500 -
Mo 4.0000 5.0000 -
Mn - 2.0000 -
Cu 1.2000 2.0000 -
Cr 19.0000 21.0000 -
C - 0.0200 -

Mechanical Properties of steel grade X 1 NiCrMoCu 25 20 5

Yield
Rp0.2 (MPa)
Tensile
Rm (MPa)
Impact
KV/Ku (J)
Elongation
A (%)
Reduction in cross section on fracture
Z (%)
As-Heat-Treated Condition Brinell hardness (HBW)
771 (≥) 442 (≥) 34 23 21 Solution and Aging, Annealing, Ausaging, Q+T,etc 142

Physical Properties of steel grade X 1 NiCrMoCu 25 20 5

Temperature
(°C)
Modulus of elasticity
(GPa)
Mean coefficient of thermal expansion 10-6/(°C) between 20(°C) and Thermal conductivity
(W/m·°C)
Specific thermal capacity
(J/kg·°C)
Specific electrical resistivity
(Ω mm²/m)
Density
(kg/dm³)
Poisson’s coefficient, ν
21 - -     0.42 -  
913 754 - 43.3 244   -  
512 - 34 44.2   322 244

Heat Treatment of steel grade X 1 NiCrMoCu 25 20 5

Heat treated : 1875°C - 1845°C

Technological Curves of steel grade X 1 NiCrMoCu 25 20 5

Cross Reference Table (Equivalent Grade) of X 1 NiCrMoCu 25 20 5

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