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OL 42.2 k

Romania STAS OL42.2k Structural steel for general purpose and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: OL42.2k / OL 42.2 k
Category Grade Standard Region/Area Standard Content
Metals OL 42.2 k STAS 500-2 Romania Structural steel for general purpose

Chemical composition(mass fraction)(wt.%) of the OL 42.2 k

Element Min Max Similar
Si - 0.4000 -
S - 0.0500 -
P - 0.0500 -
Mn - 0.8000 -
C - 0.2500 -

Mechanical Properties of steel grade OL 42.2 k

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)
948 (≥) 732 (≥) 32 12 44 Solution and Aging, Annealing, Ausaging, Q+T,etc 321

Physical Properties of steel grade OL 42.2 k

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
42 - -     0.21 -  
551 292 - 42.3 224   -  
384 - 11 13.2   221 222

Heat Treatment of steel grade OL 42.2 k

Heat treated : 1774°C - 1819°C

Technological Curves of steel grade OL 42.2 k

Cross Reference Table (Equivalent Grade) of OL 42.2 k

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