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Bulgaria BDS 60S2 Spring steels. Designations and technical requirements and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: 60S2 / 60 S 2
Category Grade Standard Region/Area Standard Content
Metals 60 S 2 BDS 6742 Bulgaria Spring steels. Designations and technical requirements

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

Element Min Max Similar
Si 1.5000 2.0000 -
S - 0.0350 -
P - 0.0350 -
Ni - 0.3000 -
Mn 0.6000 0.9000 -
Cu - 0.3000 -
Cr - 0.3000 -
C 0.5700 0.6500 -

Mechanical Properties of steel grade 60 S 2

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)
677 (≥) 961 (≥) 43 43 21 Solution and Aging, Annealing, Ausaging, Q+T,etc 433

Physical Properties of steel grade 60 S 2

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 - -     0.23 -  
895 711 - 42.3 142   -  
839 - 42 34.2   224 443

Heat Treatment of steel grade 60 S 2

Heat treated : 1325°C - 1913°C

Technological Curves of steel grade 60 S 2

Cross Reference Table (Equivalent Grade) of 60 S 2

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