Available 24/7 at contact@steel-grades.com

Germany DIN GG-25 Flake graphite cast iron (grey cast iron); properties and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: GG-25 / GG-25
Category Grade Standard Region/Area Standard Content
Metals GG-25 DIN 1691 Germany Flake graphite cast iron (grey cast iron); properties

Chemical composition(mass fraction)(wt.%) of the GG-25

Element Min Max Similar

Mechanical Properties of steel grade GG-25

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)
128 (≥) 862 (≥) 42 24 24 Solution and Aging, Annealing, Ausaging, Q+T,etc 343

Physical Properties of steel grade GG-25

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
21 - -     0.31 -  
839 486 - 14.3 321   -  
452 - 42 14.2   224 121

Heat Treatment of steel grade GG-25

Heat treated : 1842°C - 1865°C

Technological Curves of steel grade GG-25

Cross Reference Table (Equivalent Grade) of GG-25

Available Suppliers

Our main peoducts of steel are many kinds of special steel, like tool steel, mould steel, alloy steel, alloy constructural steel, heat-resistant steel, high speed tool steel,spring steel and bearing steel , stainless steel and so on, which have formed 12 series and more than 350 varieties with n...

Rfq.: sales@longhaisteel.com
  • Do you supply this GG-25?
  • List your company on S&G now? Join
  • Non-paying users only
Sidebar RFQs Menu My Account
Top