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Russia GOST 63 Crane rails. Specifications and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: 63 / 63
Category Grade Standard Region/Area Standard Content
Metals 63 GOST 4121 Russia Crane rails. Specifications

Chemical composition(mass fraction)(wt.%) of the 63

Element Min Max Similar

Mechanical Properties of steel grade 63

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)
658 (≥) 344 (≥) 41 32 34 Solution and Aging, Annealing, Ausaging, Q+T,etc 141

Physical Properties of steel grade 63

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
31 - -     0.13 -  
572 933 - 42.3 213   -  
346 - 31 44.2   221 332

Heat Treatment of steel grade 63

Heat treated : 1832°C - 1425°C

Technological Curves of steel grade 63

Cross Reference Table (Equivalent Grade) of 63

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