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X 8 CrAl 21-6 / CrAl 21 6

Germany DIN X8CrAl21-6/CrAl216 Heat-resisting CrAl steel and Mechanical Properties, Chemical Element, Cross Reference.

Category Grade Standard Region/Area Standard Content
Metals X 8 CrAl 21-6 / CrAl 21 6 -- Germany Heat-resisting CrAl steel

Chemical composition(mass fraction)(wt.%) of the X 8 CrAl 21-6 / CrAl 21 6

Element Min Max Similar
Y - - -
Ti - 1.0000 -
Si - 0.1000 -
S - 0.0300 -
P - 0.0450 -
Mn - 0.1000 -
Cr 19.0000 22.0000 -
C - 0.1000 -
Al 5.0000 6.5000 -

Mechanical Properties of steel grade X 8 CrAl 21-6 / CrAl 21 6

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)
282 (≥) 552 (≥) 32 22 11 Solution and Aging, Annealing, Ausaging, Q+T,etc 131

Physical Properties of steel grade X 8 CrAl 21-6 / CrAl 21 6

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
22 - -     0.23 -  
734 925 - 31.3 223   -  
516 - 13 43.2   423 422

Heat Treatment of steel grade X 8 CrAl 21-6 / CrAl 21 6

Heat treated : 1486°C - 1964°C

Technological Curves of steel grade X 8 CrAl 21-6 / CrAl 21 6

Cross Reference Table (Equivalent Grade) of X 8 CrAl 21-6 / CrAl 21 6

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