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Bulgaria BDS 38ChSA Alloyed constructional steels. Designations and technical requirements and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: 38ChSA / 38 ChSA
Category Grade Standard Region/Area Standard Content
Metals 38 ChSA BDS 6354 Bulgaria Alloyed constructional steels. Designations and technical requirements

Chemical composition(mass fraction)(wt.%) of the 38 ChSA

Element Min Max Similar

Mechanical Properties of steel grade 38 ChSA

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)
296 (≥) 352 (≥) 43 13 23 Solution and Aging, Annealing, Ausaging, Q+T,etc 442

Physical Properties of steel grade 38 ChSA

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
34 - -     0.23 -  
218 843 - 44.3 441   -  
376 - 32 41.2   441 332

Heat Treatment of steel grade 38 ChSA

Heat treated : 1133°C - 1724°C

Technological Curves of steel grade 38 ChSA

Cross Reference Table (Equivalent Grade) of 38 ChSA

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