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Romania STAS OC01 Normal gauge railway cars. Axles. General technical requirements for quality and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: OC01 / OC01
Category Grade Standard Region/Area Standard Content
Metals OC01 STAS 1947 Romania Normal gauge railway cars. Axles. General technical requirements for quality

Chemical composition(mass fraction)(wt.%) of the OC01

Element Min Max Similar

Mechanical Properties of steel grade OC01

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)
766 (≥) 777 (≥) 32 11 22 Solution and Aging, Annealing, Ausaging, Q+T,etc 423

Physical Properties of steel grade OC01

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
22 - -     0.42 -  
283 728 - 22.3 241   -  
745 - 11 21.2   211 232

Heat Treatment of steel grade OC01

Heat treated : 1952°C - 1734°C

Technological Curves of steel grade OC01

Cross Reference Table (Equivalent Grade) of OC01

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