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25X20H9B2M

Description

Russia GOST 25X20H9B2M 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: 25X20H9B2M
Category Class Grade Standard Country Application
Steel GradesSpecialsteel 25X20H9B2M GOST Russia Russia GOCT standard stainless steel and heat resistant steel steel grade and chemical composition

Chemical composition(mass fraction)(wt.%) of the 25X20H9B2M

C Si Mn P S Cr Ni Mo
0.23 -0.30 1.00 -1.60 1.00 -1.60 ≤0.030 ≤0.030 19.00 -21.00 8.00 -10.00 ≤0.30

Mechanical Properties of steel grade 25X20H9B2M

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)
173 (≥) 898 (≥) 44 43 42 Solution and Aging, Annealing, Ausaging, Q+T,etc 414

Physical Properties of steel grade 25X20H9B2M

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 - -     0.23 -  
993 725 - 41.3 114   -  
526 - 34 21.2   341 114

Heat Treatment of steel grade 25X20H9B2M

Heat treated : 1812°C - 1581°C

Technological Curves of steel grade 25X20H9B2M


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