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230-450 W

Japan JIS 230-450W 一般工程用铸造碳钢 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: 230-450W / 230-450 W
Category Grade Standard Region/Area Standard Content
Metals 230-450 W JIS G7821 Japan 一般工程用铸造碳钢

Chemical composition(mass fraction)(wt.%) of the 230-450 W

Element Min Max Similar

Mechanical Properties of steel grade 230-450 W

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)
722 (≥) 874 (≥) 21 24 31 Solution and Aging, Annealing, Ausaging, Q+T,etc 133

Physical Properties of steel grade 230-450 W

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
43 - -     0.31 -  
841 622 - 14.3 411   -  
456 - 24 23.2   344 224

Heat Treatment of steel grade 230-450 W

Heat treated : 1568°C - 1185°C

Technological Curves of steel grade 230-450 W

Cross Reference Table (Equivalent Grade) of 230-450 W

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