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Bulgaria BDS 60S2A Spring steels. Designations and technical requirements and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: 60S2A / 60 S 2 A
Category Grade Standard Region/Area Standard Content
Metals 60 S 2 A BDS 6742 Bulgaria Spring steels. Designations and technical requirements

Chemical composition(mass fraction)(wt.%) of the 60 S 2 A

Element Min Max Similar
Si 1.6000 2.0000 -
S - 0.0250 -
P - 0.0250 -
Ni - 0.3000 -
Mn 0.6000 0.9000 -
Cu - 0.3000 -
Cr - 0.3000 -
C 0.5800 0.6300 -

Mechanical Properties of steel grade 60 S 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)
375 (≥) 475 (≥) 21 12 24 Solution and Aging, Annealing, Ausaging, Q+T,etc 242

Physical Properties of steel grade 60 S 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
41 - -     0.32 -  
298 533 - 42.3 142   -  
862 - 44 32.2   411 321

Heat Treatment of steel grade 60 S 2 A

Heat treated : 1156°C - 1869°C

Technological Curves of steel grade 60 S 2 A

Cross Reference Table (Equivalent Grade) of 60 S 2 A

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