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Russia GOST 35KH4F Precision alloys. Grades and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: 35KH4F / 35KH4F
Category Grade Standard Region/Area Standard Content
Metals 35KH4F GOST 10994 Russia Precision alloys. Grades

Chemical composition(mass fraction)(wt.%) of the 35KH4F

Element Min Max Similar
V 5.5000 6.5000 -
Si - 0.3000 -
S - 0.0200 -
P - 0.0200 -
Mn - 0.4000 -
Fe - - -
Cr 7.5000 8.5000 -
Co 34.3000 35.8000 -
C - 0.0800 -

Mechanical Properties of steel grade 35KH4F

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)
243 (≥) 453 (≥) 12 13 31 Solution and Aging, Annealing, Ausaging, Q+T,etc 433

Physical Properties of steel grade 35KH4F

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
23 - -     0.21 -  
831 466 - 22.3 211   -  
415 - 32 12.2   113 311

Heat Treatment of steel grade 35KH4F

Heat treated : 1699°C - 1945°C

Technological Curves of steel grade 35KH4F

Cross Reference Table (Equivalent Grade) of 35KH4F

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