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Korea KS SM28C 机械结构用碳素钢 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: SM28C / SM 28C
Category Grade Standard Region/Area Standard Content
Metals SM 28C KS D 3752 Korea 机械结构用碳素钢

Chemical composition(mass fraction)(wt.%) of the SM 28C

Element Min Max Similar
P - 0.0300 -
S - 0.0350 -
Mn 0.6000 0.9000 -
Si 0.1500 0.3500 -
C 0.2500 0.3100 -
Si 0.1500 0.3500 -
S - 0.0350 -
P - 0.0300 -
Mn 0.6000 0.9000 -
C 0.2500 0.3100 -

Mechanical Properties of steel grade SM 28C

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)
753 (≥) 851 (≥) 44 14 34 Solution and Aging, Annealing, Ausaging, Q+T,etc 341

Physical Properties of steel grade SM 28C

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
21 - -     0.21 -  
344 494 - 21.3 123   -  
631 - 43 41.2   414 144

Heat Treatment of steel grade SM 28C

Heat treated : 1974°C - 1815°C

Technological Curves of steel grade SM 28C

Cross Reference Table (Equivalent Grade) of SM 28C

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