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X 1 CrNi 25 21

Germany DIN X1CrNi2521 Stainless steels. List of stainless steels and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: X1CrNi2521 / X 1 CrNi 25 21
Category Grade Standard Region/Area Standard Content
Metals X 1 CrNi 25 21 DIN EN 10088-1 Germany Stainless steels. List of stainless steels

Chemical composition(mass fraction)(wt.%) of the X 1 CrNi 25 21

Element Min Max Similar
Si - 0.2500 -
S - 0.0100 -
P - 0.0250 -
Ni 20.0000 22.0000 -
N - 0.1100 -
Mo - 0.2000 -
Mn - 2.0000 -
Cr 24.0000 26.0000 -
C - 0.0200 -
Si - 0.2500 -
S - 0.0100 -
P - 0.0250 -
Ni 20.0000 22.0000 -
N - 0.1100 -
Mo - 0.2000 -
Mn - 2.0000 -
Cr 24.0000 26.0000 -
C - 0.0200 -
Si - 0.2500 -
S - 0.0100 -
P - 0.0250 -
Ni 20.0000 22.0000 -
N - 0.1100 -
Mo - 0.2000 -
Mn - 2.0000 -
Cr 24.0000 26.0000 -
C - 0.0200 -

Mechanical Properties of steel grade X 1 CrNi 25 21

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)
168 (≥) 371 (≥) 34 44 14 Solution and Aging, Annealing, Ausaging, Q+T,etc 414

Physical Properties of steel grade X 1 CrNi 25 21

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
32 - -     0.24 -  
869 571 - 41.3 124   -  
248 - 33 21.2   431 233

Heat Treatment of steel grade X 1 CrNi 25 21

Heat treated : 1668°C - 1235°C

Technological Curves of steel grade X 1 CrNi 25 21

Cross Reference Table (Equivalent Grade) of X 1 CrNi 25 21

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