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Russia GOST R18K5F2 Bars and strips out of high-speed steel. Specifications and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: R18K5F2 / R18K5F2
Category Grade Standard Region/Area Standard Content
Metals R18K5F2 GOST 19265 Russia Bars and strips out of high-speed steel. Specifications

Chemical composition(mass fraction)(wt.%) of the R18K5F2

Element Min Max Similar

Mechanical Properties of steel grade R18K5F2

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)
618 (≥) 592 (≥) 34 23 33 Solution and Aging, Annealing, Ausaging, Q+T,etc 314

Physical Properties of steel grade R18K5F2

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 - -     0.41 -  
533 769 - 22.3 134   -  
722 - 44 12.2   141 122

Heat Treatment of steel grade R18K5F2

Heat treated : 1742°C - 1913°C

Technological Curves of steel grade R18K5F2

Cross Reference Table (Equivalent Grade) of R18K5F2

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