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30 ChGSN 2 A

Bulgaria BDS 30ChGSN2A Alloyed constructional steels. Designations and technical requirements and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: 30ChGSN2A / 30 ChGSN 2 A
Category Grade Standard Region/Area Standard Content
Metals 30 ChGSN 2 A BDS 6354 Bulgaria Alloyed constructional steels. Designations and technical requirements

Chemical composition(mass fraction)(wt.%) of the 30 ChGSN 2 A

Element Min Max Similar

Mechanical Properties of steel grade 30 ChGSN 2 A

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)
644 (≥) 173 (≥) 14 34 33 Solution and Aging, Annealing, Ausaging, Q+T,etc 114

Physical Properties of steel grade 30 ChGSN 2 A

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
12 - -     0.43 -  
847 736 - 22.3 131   -  
539 - 32 43.2   212 333

Heat Treatment of steel grade 30 ChGSN 2 A

Heat treated : 1691°C - 1282°C

Technological Curves of steel grade 30 ChGSN 2 A

Cross Reference Table (Equivalent Grade) of 30 ChGSN 2 A

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