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68NHVKTYu-VI

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

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

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

Element Min Max Similar
W 9.0000 10.5000 -
V - 0.2000 -
Ti 2.7000 3.2000 -
Si - 0.4000 -
S - 0.0100 -
P - 0.0150 -
Ni - - -
Nb - 0.2000 -
Mn - 0.4000 -
Fe - 1.0000 -
Cu - 0.0700 -
Cr 18.0000 20.0000 -
Co 5.5000 6.7000 -
Ce - 0.0500 -
C - 0.0500 -
B - 0.0030 -
Al 1.3000 1.8000 -

Mechanical Properties of steel grade 68NHVKTYu-VI

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)
718 (≥) 182 (≥) 12 22 22 Solution and Aging, Annealing, Ausaging, Q+T,etc 212

Physical Properties of steel grade 68NHVKTYu-VI

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 - -     0.21 -  
767 978 - 24.3 122   -  
241 - 41 13.2   223 341

Heat Treatment of steel grade 68NHVKTYu-VI

Heat treated : 1629°C - 1474°C

Technological Curves of steel grade 68NHVKTYu-VI

Cross Reference Table (Equivalent Grade) of 68NHVKTYu-VI

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