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Japan SHIMOMURA SD200 快削钢 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: SD200 / SD200
Category Grade Standard Region/Area Standard Content
Metals SD200 SHIMOMURA FCS Japan 快削钢

Chemical composition(mass fraction)(wt.%) of the SD200

Element Min Max Similar
Pb 0.1000 0.3500 -

Mechanical Properties of steel grade SD200

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)
481 (≥) 314 (≥) 12 44 22 Solution and Aging, Annealing, Ausaging, Q+T,etc 143

Physical Properties of steel grade SD200

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 -  
968 262 - 44.3 223   -  
523 - 14 12.2   241 132

Heat Treatment of steel grade SD200

Heat treated : 1231°C - 1792°C

Technological Curves of steel grade SD200

Cross Reference Table (Equivalent Grade) of SD200

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