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Australia AS O1A Steel - Schedule of tool steel compositions and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: O1A / O1A
Category Grade Standard Region/Area Standard Content
Metals O1A AS/NZS 1239 Australia Steel - Schedule of tool steel compositions

Chemical composition(mass fraction)(wt.%) of the O1A

Element Min Max Similar

Mechanical Properties of steel grade O1A

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)
768 (≥) 825 (≥) 31 33 11 Solution and Aging, Annealing, Ausaging, Q+T,etc 344

Physical Properties of steel grade O1A

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 - -     0.43 -  
482 764 - 43.3 431   -  
992 - 13 33.2   111 124

Heat Treatment of steel grade O1A

Heat treated : 1724°C - 1778°C

Technological Curves of steel grade O1A

Cross Reference Table (Equivalent Grade) of O1A

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