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Russia GOST H20N80 Precision alloys. Grades and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: H20N80 / H20N80
Category Grade Standard Region/Area Standard Content
Metals H20N80 GOST 10994 Russia Precision alloys. Grades

Chemical composition(mass fraction)(wt.%) of the H20N80

Element Min Max Similar
Ti - 0.0500 -
Si 0.4000 1.0000 -
S - 0.0100 -
P - 0.0100 -
Ni - - -
Mn - 0.3000 -
Fe - 1.5000 -
Cr 20.0000 23.0000 -
C - 0.0500 -
Al - 0.1500 -

Mechanical Properties of steel grade H20N80

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)
869 (≥) 276 (≥) 13 34 34 Solution and Aging, Annealing, Ausaging, Q+T,etc 242

Physical Properties of steel grade H20N80

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
33 - -     0.34 -  
324 149 - 11.3 244   -  
548 - 12 44.2   323 112

Heat Treatment of steel grade H20N80

Heat treated : 1191°C - 1248°C

Technological Curves of steel grade H20N80

Cross Reference Table (Equivalent Grade) of H20N80

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