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America SAE G9H17a 汽车用灰铁铸件 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: G9H17a / G9H17 a
Category Grade Standard Region/Area Standard Content
Metals G9H17 a SAE J 431 America 汽车用灰铁铸件

Chemical composition(mass fraction)(wt.%) of the G9H17 a

Element Min Max Similar

Mechanical Properties of steel grade G9H17 a

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)
364 (≥) 754 (≥) 32 34 22 Solution and Aging, Annealing, Ausaging, Q+T,etc 234

Physical Properties of steel grade G9H17 a

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
12 - -     0.13 -  
746 927 - 23.3 133   -  
185 - 24 22.2   324 334

Heat Treatment of steel grade G9H17 a

Heat treated : 1516°C - 1888°C

Technological Curves of steel grade G9H17 a

Cross Reference Table (Equivalent Grade) of G9H17 a

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