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GGG-Ni 22

Germany DIN GGG-Ni22 Austenitic cast iron and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: GGG-Ni22 / GGG-Ni 22
Category Grade Standard Region/Area Standard Content
Metals GGG-Ni 22 DIN 1694 Germany Austenitic cast iron

Chemical composition(mass fraction)(wt.%) of the GGG-Ni 22

Element Min Max Similar

Mechanical Properties of steel grade GGG-Ni 22

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)
186 (≥) 485 (≥) 11 31 34 Solution and Aging, Annealing, Ausaging, Q+T,etc 343

Physical Properties of steel grade GGG-Ni 22

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
32 - -     0.42 -  
512 175 - 24.3 411   -  
826 - 44 43.2   313 112

Heat Treatment of steel grade GGG-Ni 22

Heat treated : 1333°C - 1877°C

Technological Curves of steel grade GGG-Ni 22

Cross Reference Table (Equivalent Grade) of GGG-Ni 22

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