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X 9 Cr 17

EU EU X9Cr17 Heat-resistant steels; technical terms of delivery and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: X9Cr17 / X 9 Cr 17
Category Grade Standard Region/Area Standard Content
Metals X 9 Cr 17 EU 95 EU Heat-resistant steels; technical terms of delivery

Chemical composition(mass fraction)(wt.%) of the X 9 Cr 17

Element Min Max Similar

Mechanical Properties of steel grade X 9 Cr 17

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)
375 (≥) 429 (≥) 31 43 43 Solution and Aging, Annealing, Ausaging, Q+T,etc 321

Physical Properties of steel grade X 9 Cr 17

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
44 - -     0.11 -  
419 138 - 44.3 243   -  
992 - 33 14.2   213 112

Heat Treatment of steel grade X 9 Cr 17

Heat treated : 1656°C - 1791°C

Technological Curves of steel grade X 9 Cr 17

Cross Reference Table (Equivalent Grade) of X 9 Cr 17

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