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Description

Russia GOST 80X20HC Specialsteel Russia GOCT standard stainless steel and heat resistant steel steel grade and chemical composition and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Specialsteel: 80X20HC
Category Class Grade Standard Country Application
Steel GradesSpecialsteel 80X20HC GOST Russia Russia GOCT standard stainless steel and heat resistant steel steel grade and chemical composition

Chemical composition(mass fraction)(wt.%) of the 80X20HC

C Si Mn P S Cr Ni Mo
0.70 -0.80 1.25 -1.75 0.40 -0.70 ≤0.035 ≤0.030 19.00 -21.00 ≤ ≥ 1.40 -1.80

Mechanical Properties of steel grade 80X20HC

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)
791 (≥) 331 (≥) 22 44 11 Solution and Aging, Annealing, Ausaging, Q+T,etc 334

Physical Properties of steel grade 80X20HC

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
34 - -     0.24 -  
757 836 - 31.3 433   -  
329 - 24 31.2   123 211

Heat Treatment of steel grade 80X20HC

Heat treated : 1385°C - 1829°C

Technological Curves of steel grade 80X20HC


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