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Australia AS G250 Steel sheet and strip - Hot-dipped zinc-coated or aluminium/zinc-coated and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: G250 / G250
Category Grade Standard Region/Area Standard Content
Metals G250 AS 1397 Australia Steel sheet and strip - Hot-dipped zinc-coated or aluminium/zinc-coated

Chemical composition(mass fraction)(wt.%) of the G250

Element Min Max Similar
S - 0.0350 -
P - 0.0300 -
Mn - 0.5000 -
C - 0.1200 -

Mechanical Properties of steel grade G250

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)
421 (≥) 914 (≥) 21 13 31 Solution and Aging, Annealing, Ausaging, Q+T,etc 324

Physical Properties of steel grade G250

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
14 - -     0.31 -  
887 759 - 13.3 124   -  
918 - 31 23.2   323 443

Heat Treatment of steel grade G250

Heat treated : 1764°C - 1623°C

Technological Curves of steel grade G250

Cross Reference Table (Equivalent Grade) of G250

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