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Australia AS G550 Steel sheet and strip - Hot-dipped zinc-coated or aluminium/zinc-coated and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: G550 / G550
Category Grade Standard Region/Area Standard Content
Metals G550 AS 1397 Australia Steel sheet and strip - Hot-dipped zinc-coated or aluminium/zinc-coated

Chemical composition(mass fraction)(wt.%) of the G550

Element Min Max Similar

Mechanical Properties of steel grade G550

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)
546 (≥) 517 (≥) 11 42 11 Solution and Aging, Annealing, Ausaging, Q+T,etc 311

Physical Properties of steel grade G550

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
44 - -     0.14 -  
484 452 - 21.3 222   -  
921 - 24 41.2   234 324

Heat Treatment of steel grade G550

Heat treated : 1676°C - 1897°C

Technological Curves of steel grade G550

Cross Reference Table (Equivalent Grade) of G550

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