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Sweden SS 4251 Aluminium cast alloy - SS aluminium 42 51 - Al-Si9Cu3 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: 4251 / 4251
Category Grade Standard Region/Area Standard Content
Metals 4251 SS 14 42 51 Sweden Aluminium cast alloy - SS aluminium 42 51 - Al-Si9Cu3

Chemical composition(mass fraction)(wt.%) of the 4251

Element Min Max Similar

Mechanical Properties of steel grade 4251

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)
529 (≥) 565 (≥) 24 41 44 Solution and Aging, Annealing, Ausaging, Q+T,etc 433

Physical Properties of steel grade 4251

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
23 - -     0.22 -  
217 628 - 24.3 211   -  
611 - 23 43.2   411 344

Heat Treatment of steel grade 4251

Heat treated : 1429°C - 1715°C

Technological Curves of steel grade 4251

Cross Reference Table (Equivalent Grade) of 4251

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