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Global 企业标准 OH238 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: OH238 / OH238
Category Grade Standard Region/Area Standard Content
Metals OH238 -- Global

Chemical composition(mass fraction)(wt.%) of the OH238

Element Min Max Similar

Mechanical Properties of steel grade OH238

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)
368 (≥) 729 (≥) 14 31 33 Solution and Aging, Annealing, Ausaging, Q+T,etc 442

Physical Properties of steel grade OH238

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
11 - -     0.24 -  
599 323 - 42.3 343   -  
229 - 44 43.2   322 314

Heat Treatment of steel grade OH238

Heat treated : 1694°C - 1376°C

Technological Curves of steel grade OH238

Cross Reference Table (Equivalent Grade) of OH238

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