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Germany DIN X8Cr9 Heat-resisting Cr steel; Rolled and forged products and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: X8Cr9 / X 8 Cr 9
Category Grade Standard Region/Area Standard Content
Metals X 8 Cr 9 -- Germany Heat-resisting Cr steel; Rolled and forged products

Chemical composition(mass fraction)(wt.%) of the X 8 Cr 9

Element Min Max Similar
Si - 1.5000 -
S - 0.0300 -
P - 0.0300 -
Mn - 1.5000 -
Cr 8.0000 10.0000 -
C - 0.1000 -

Mechanical Properties of steel grade X 8 Cr 9

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)
554 (≥) 473 (≥) 21 21 12 Solution and Aging, Annealing, Ausaging, Q+T,etc 313

Physical Properties of steel grade X 8 Cr 9

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
43 - -     0.44 -  
662 839 - 14.3 443   -  
626 - 42 43.2   344 131

Heat Treatment of steel grade X 8 Cr 9

Heat treated : 1187°C - 1572°C

Technological Curves of steel grade X 8 Cr 9

Cross Reference Table (Equivalent Grade) of X 8 Cr 9

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