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GP 240 GH

France AFNOR NF GP240GH Steel castings for pressure purposes and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: GP240GH / GP 240 GH
Category Grade Standard Region/Area Standard Content
Metals GP 240 GH NF EN 10213 France Steel castings for pressure purposes

Chemical composition(mass fraction)(wt.%) of the GP 240 GH

Element Min Max Similar
V - 0.0300 -
Si - 0.6000 -
S - 0.0200 -
P - 0.0300 -
Ni - 0.4000 -
Mo - 0.1200 -
Mn 0.5000 1.2000 -
Cu - 0.3000 -
Cr - 0.3000 -
C 0.1800 0.2300 -

Mechanical Properties of steel grade GP 240 GH

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)
261 (≥) 366 (≥) 43 22 13 Solution and Aging, Annealing, Ausaging, Q+T,etc 311

Physical Properties of steel grade GP 240 GH

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
33 - -     0.12 -  
736 762 - 43.3 322   -  
576 - 12 43.2   213 221

Heat Treatment of steel grade GP 240 GH

Heat treated : 1647°C - 1628°C

Technological Curves of steel grade GP 240 GH

Cross Reference Table (Equivalent Grade) of GP 240 GH

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