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Russia GOST EV6 Precision alloys. Grades and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: EV6 / EV6
Category Grade Standard Region/Area Standard Content
Metals EV6 GOST 10994 Russia Precision alloys. Grades

Chemical composition(mass fraction)(wt.%) of the EV6

Element Min Max Similar
W 5.2000 6.2000 -
Si 0.1700 0.4000 -
S - 0.0200 -
P - 0.0300 -
Ni - 0.3000 -
Mn 0.2000 0.4000 -
Fe - - -
Cr 0.3000 0.5000 -
C 0.6800 0.7800 -

Mechanical Properties of steel grade EV6

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)
776 (≥) 734 (≥) 33 22 43 Solution and Aging, Annealing, Ausaging, Q+T,etc 432

Physical Properties of steel grade EV6

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
12 - -     0.21 -  
284 556 - 23.3 422   -  
182 - 41 22.2   143 213

Heat Treatment of steel grade EV6

Heat treated : 1174°C - 1479°C

Technological Curves of steel grade EV6

Cross Reference Table (Equivalent Grade) of EV6

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