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GG-220 HB

Germany DIN GG-220HB Flake graphite cast iron (grey cast iron);properties and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: GG-220HB / GG-220 HB
Category Grade Standard Region/Area Standard Content
Metals GG-220 HB DIN 1691 Germany Flake graphite cast iron (grey cast iron);properties

Chemical composition(mass fraction)(wt.%) of the GG-220 HB

Element Min Max Similar

Mechanical Properties of steel grade GG-220 HB

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)
273 (≥) 927 (≥) 31 11 43 Solution and Aging, Annealing, Ausaging, Q+T,etc 343

Physical Properties of steel grade GG-220 HB

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 - -     0.32 -  
136 268 - 14.3 342   -  
241 - 14 32.2   211 421

Heat Treatment of steel grade GG-220 HB

Heat treated : 1778°C - 1743°C

Technological Curves of steel grade GG-220 HB

Cross Reference Table (Equivalent Grade) of GG-220 HB

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