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GX40CrSi29

Germany DIN GX40CrSi29 Heat resisting steel castings; technical delivery conditions and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: GX40CrSi29 / GX40CrSi29
Category Grade Standard Region/Area Standard Content
Metals GX40CrSi29 DIN 17465 Germany Heat resisting steel castings; technical delivery conditions

Chemical composition(mass fraction)(wt.%) of the GX40CrSi29

Element Min Max Similar

Mechanical Properties of steel grade GX40CrSi29

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)
447 (≥) 368 (≥) 31 21 42 Solution and Aging, Annealing, Ausaging, Q+T,etc 234

Physical Properties of steel grade GX40CrSi29

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 - -     0.32 -  
233 254 - 32.3 232   -  
991 - 43 43.2   421 432

Heat Treatment of steel grade GX40CrSi29

Heat treated : 1946°C - 1774°C

Technological Curves of steel grade GX40CrSi29

Cross Reference Table (Equivalent Grade) of GX40CrSi29

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