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FCD 420 Grade D4

Japan JIS FCD420GradeD4 球墨铸铁管 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: FCD420GradeD4 / FCD 420 Grade D4
Category Grade Standard Region/Area Standard Content
Metals FCD 420 Grade D4 JIS G5526 Japan 球墨铸铁管

Chemical composition(mass fraction)(wt.%) of the FCD 420 Grade D4

Element Min Max Similar

Mechanical Properties of steel grade FCD 420 Grade D4

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)
858 (≥) 145 (≥) 22 33 33 Solution and Aging, Annealing, Ausaging, Q+T,etc 114

Physical Properties of steel grade FCD 420 Grade D4

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
13 - -     0.43 -  
244 634 - 33.3 432   -  
447 - 43 13.2   441 323

Heat Treatment of steel grade FCD 420 Grade D4

Heat treated : 1267°C - 1845°C

Technological Curves of steel grade FCD 420 Grade D4

Cross Reference Table (Equivalent Grade) of FCD 420 Grade D4

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