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Australia AS Hd400 Hot-rolled steel flat products and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: Hd400 / Hd400
Category Grade Standard Region/Area Standard Content
Metals Hd400 AS/NZS 1594 Australia Hot-rolled steel flat products

Chemical composition(mass fraction)(wt.%) of the Hd400

Element Min Max Similar

Mechanical Properties of steel grade Hd400

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)
535 (≥) 987 (≥) 33 13 32 Solution and Aging, Annealing, Ausaging, Q+T,etc 124

Physical Properties of steel grade Hd400

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
43 - -     0.21 -  
525 653 - 13.3 132   -  
736 - 42 43.2   133 413

Heat Treatment of steel grade Hd400

Heat treated : 1354°C - 1585°C

Technological Curves of steel grade Hd400

Cross Reference Table (Equivalent Grade) of Hd400

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