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Global 企业标准 GKH Aubert & Duval and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: GKH / GKH
Category Grade Standard Region/Area Standard Content
Metals GKH -- Global Aubert & Duval

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

Element Min Max Similar
V - - 0.2000
Mo - - 1.0000
Cr - - 3.0000
C - - 0.3000

Mechanical Properties of steel grade GKH

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)
942 (≥) 373 (≥) 33 14 24 Solution and Aging, Annealing, Ausaging, Q+T,etc 432

Physical Properties of steel grade GKH

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
33 - -     0.33 -  
345 145 - 23.3 112   -  
238 - 33 44.2   434 421

Heat Treatment of steel grade GKH

Heat treated : 1125°C - 1189°C

Technological Curves of steel grade GKH

Cross Reference Table (Equivalent Grade) of GKH

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