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Hungary MSZ Ao400 Unalloyed steel castings and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: Ao400 / Ao 400
Category Grade Standard Region/Area Standard Content
Metals Ao 400 MSZ 8276 Hungary Unalloyed steel castings

Chemical composition(mass fraction)(wt.%) of the Ao 400

Element Min Max Similar

Mechanical Properties of steel grade Ao 400

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)
234 (≥) 719 (≥) 43 43 13 Solution and Aging, Annealing, Ausaging, Q+T,etc 334

Physical Properties of steel grade Ao 400

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
11 - -     0.22 -  
845 969 - 11.3 242   -  
184 - 43 11.2   243 331

Heat Treatment of steel grade Ao 400

Heat treated : 1676°C - 1298°C

Technological Curves of steel grade Ao 400

Cross Reference Table (Equivalent Grade) of Ao 400

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