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Global 企业标准 OH253 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: OH253 / OH253
Category Grade Standard Region/Area Standard Content
Metals OH253 -- Global

Chemical composition(mass fraction)(wt.%) of the OH253

Element Min Max Similar
V - 0.2500 -
Si - 0.5000 -
Mo - 1.5000 -
Mn - 0.7000 -
Cr - 3.2500 -
C - 0.5000 -

Mechanical Properties of steel grade OH253

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)
817 (≥) 115 (≥) 14 33 22 Solution and Aging, Annealing, Ausaging, Q+T,etc 223

Physical Properties of steel grade OH253

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
13 - -     0.33 -  
424 468 - 41.3 123   -  
822 - 32 31.2   442 414

Heat Treatment of steel grade OH253

Heat treated : 1418°C - 1256°C

Technological Curves of steel grade OH253

Cross Reference Table (Equivalent Grade) of OH253

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