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Global 企业标准 OH259 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: OH259 / OH259
Category Grade Standard Region/Area Standard Content
Metals OH259 -- Global

Chemical composition(mass fraction)(wt.%) of the OH259

Element Min Max Similar
V - 0.1800 -
Si - 0.8000 -
Mo - 0.3800 -
Mn - 0.3800 -
Cr - 0.3000 -
C - 0.7500 -

Mechanical Properties of steel grade OH259

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)
454 (≥) 396 (≥) 13 32 31 Solution and Aging, Annealing, Ausaging, Q+T,etc 414

Physical Properties of steel grade OH259

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
41 - -     0.22 -  
565 938 - 24.3 144   -  
497 - 42 24.2   442 211

Heat Treatment of steel grade OH259

Heat treated : 1642°C - 1939°C

Technological Curves of steel grade OH259

Cross Reference Table (Equivalent Grade) of OH259

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