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Russia GOST 20848 Electrotechnical unalloyed steel thin sheet and bands. Specifications and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: 20848 / 20848
Category Grade Standard Region/Area Standard Content
Metals 20848 GOST 3836 Russia Electrotechnical unalloyed steel thin sheet and bands. Specifications

Chemical composition(mass fraction)(wt.%) of the 20848

Element Min Max Similar
Si - 0.3000 -
Mn - 0.3000 -
C - 0.0400 -

Mechanical Properties of steel grade 20848

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)
193 (≥) 569 (≥) 44 34 24 Solution and Aging, Annealing, Ausaging, Q+T,etc 421

Physical Properties of steel grade 20848

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 - -     0.11 -  
473 715 - 21.3 243   -  
669 - 32 43.2   424 131

Heat Treatment of steel grade 20848

Heat treated : 1694°C - 1577°C

Technological Curves of steel grade 20848

Cross Reference Table (Equivalent Grade) of 20848

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