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Global 企业标准 PO731 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: PO731 / PO731
Category Grade Standard Region/Area Standard Content
Metals PO731 -- Global

Chemical composition(mass fraction)(wt.%) of the PO731

Element Min Max Similar

Mechanical Properties of steel grade PO731

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)
561 (≥) 557 (≥) 44 42 44 Solution and Aging, Annealing, Ausaging, Q+T,etc 323

Physical Properties of steel grade PO731

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 - -     0.32 -  
288 745 - 43.3 241   -  
555 - 32 32.2   344 322

Heat Treatment of steel grade PO731

Heat treated : 1841°C - 1349°C

Technological Curves of steel grade PO731

Cross Reference Table (Equivalent Grade) of PO731

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