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Bulgaria BDS 09G2B Low alloy constructional steels and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: 09G2B / 09 G 2 B
Category Grade Standard Region/Area Standard Content
Metals 09 G 2 B BDS 4880 Bulgaria Low alloy constructional steels

Chemical composition(mass fraction)(wt.%) of the 09 G 2 B

Element Min Max Similar
Si 0.1500 0.4500 -
S - 0.0400 -
P - 0.0400 -
Ni - 0.3500 -
Nb 0.0050 0.0500 -
Mn - 1.8000 -
Cu - 0.0350 -
Cr - 0.3500 -
C - 0.1500 -

Mechanical Properties of steel grade 09 G 2 B

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)
252 (≥) 893 (≥) 43 33 22 Solution and Aging, Annealing, Ausaging, Q+T,etc 223

Physical Properties of steel grade 09 G 2 B

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
21 - -     0.43 -  
785 835 - 32.3 114   -  
319 - 13 43.2   343 413

Heat Treatment of steel grade 09 G 2 B

Heat treated : 1634°C - 1133°C

Technological Curves of steel grade 09 G 2 B

Cross Reference Table (Equivalent Grade) of 09 G 2 B

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