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America SAE G1800 汽车用灰铁铸件 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: G1800 / G1800
Category Grade Standard Region/Area Standard Content
Metals G1800 SAE J 431 America 汽车用灰铁铸件

Chemical composition(mass fraction)(wt.%) of the G1800

Element Min Max Similar

Mechanical Properties of steel grade G1800

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)
159 (≥) 719 (≥) 23 13 22 Solution and Aging, Annealing, Ausaging, Q+T,etc 121

Physical Properties of steel grade G1800

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 - -     0.23 -  
892 457 - 13.3 213   -  
515 - 33 24.2   231 432

Heat Treatment of steel grade G1800

Heat treated : 1426°C - 1396°C

Technological Curves of steel grade G1800

Cross Reference Table (Equivalent Grade) of G1800

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