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Global 企业标准 SDK20C and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: SDK20C / SDK 20C
Category Grade Standard Region/Area Standard Content
Metals SDK 20C -- Global

Chemical composition(mass fraction)(wt.%) of the SDK 20C

Element Min Max Similar
Si 0.1500 0.3500 -
S - 0.0400 -
P - 0.0400 -
Mn 0.3000 0.6000 -
C 0.1800 0.2300 -

Mechanical Properties of steel grade SDK 20C

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)
848 (≥) 464 (≥) 22 42 44 Solution and Aging, Annealing, Ausaging, Q+T,etc 142

Physical Properties of steel grade SDK 20C

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 - -     0.24 -  
736 136 - 43.3 144   -  
921 - 24 42.2   232 131

Heat Treatment of steel grade SDK 20C

Heat treated : 1666°C - 1967°C

Technological Curves of steel grade SDK 20C

Cross Reference Table (Equivalent Grade) of SDK 20C

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