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Russia GOST 17HNGT Precision alloys. Grades and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: 17HNGT / 17HNGT
Category Grade Standard Region/Area Standard Content
Metals 17HNGT GOST 10994 Russia Precision alloys. Grades

Chemical composition(mass fraction)(wt.%) of the 17HNGT

Element Min Max Similar

Mechanical Properties of steel grade 17HNGT

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)
819 (≥) 661 (≥) 42 23 41 Solution and Aging, Annealing, Ausaging, Q+T,etc 123

Physical Properties of steel grade 17HNGT

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
32 - -     0.14 -  
973 422 - 31.3 421   -  
235 - 31 42.2   431 343

Heat Treatment of steel grade 17HNGT

Heat treated : 1658°C - 1391°C

Technological Curves of steel grade 17HNGT

Cross Reference Table (Equivalent Grade) of 17HNGT

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