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Korea KS GC300 灰铸铁件 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: GC300 / GC 300
Category Grade Standard Region/Area Standard Content
Metals GC 300 KS D 4301 Korea 灰铸铁件

Chemical composition(mass fraction)(wt.%) of the GC 300

Element Min Max Similar

Mechanical Properties of steel grade GC 300

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)
124 (≥) 349 (≥) 41 22 32 Solution and Aging, Annealing, Ausaging, Q+T,etc 142

Physical Properties of steel grade GC 300

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
24 - -     0.11 -  
186 783 - 43.3 123   -  
115 - 21 41.2   311 114

Heat Treatment of steel grade GC 300

Heat treated : 1328°C - 1248°C

Technological Curves of steel grade GC 300

Cross Reference Table (Equivalent Grade) of GC 300

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