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68NHVKTYu

Russia GOST 68NHVKTYu Precision alloys. Grades and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: 68NHVKTYu / 68NHVKTYu
Category Grade Standard Region/Area Standard Content
Metals 68NHVKTYu GOST 10994 Russia Precision alloys. Grades

Chemical composition(mass fraction)(wt.%) of the 68NHVKTYu

Element Min Max Similar

Mechanical Properties of steel grade 68NHVKTYu

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)
165 (≥) 629 (≥) 21 31 44 Solution and Aging, Annealing, Ausaging, Q+T,etc 134

Physical Properties of steel grade 68NHVKTYu

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
43 - -     0.31 -  
512 546 - 32.3 221   -  
879 - 23 44.2   313 331

Heat Treatment of steel grade 68NHVKTYu

Heat treated : 1136°C - 1758°C

Technological Curves of steel grade 68NHVKTYu

Cross Reference Table (Equivalent Grade) of 68NHVKTYu

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