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Poland PN 20G2Y High strength low-alloy balanced steel -- Grades and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: 20G2Y / 20 G 2 Y
Category Grade Standard Region/Area Standard Content
Metals 20 G 2 Y PN H84016 Poland High strength low-alloy balanced steel -- Grades

Chemical composition(mass fraction)(wt.%) of the 20 G 2 Y

Element Min Max Similar
Si - 0.1000 -
S - 0.0500 -
P - 0.0500 -
Mn - 1.6000 -
C - 0.2300 -

Mechanical Properties of steel grade 20 G 2 Y

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)
357 (≥) 259 (≥) 31 23 11 Solution and Aging, Annealing, Ausaging, Q+T,etc 112

Physical Properties of steel grade 20 G 2 Y

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
43 - -     0.14 -  
312 645 - 23.3 232   -  
127 - 14 21.2   121 242

Heat Treatment of steel grade 20 G 2 Y

Heat treated : 1669°C - 1446°C

Technological Curves of steel grade 20 G 2 Y

Cross Reference Table (Equivalent Grade) of 20 G 2 Y

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