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GS-8 Mn 7

Germany DIN GS-8Mn7 Steel castings with improved weldability and toughness for general use and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: GS-8Mn7 / GS-8 Mn 7
Category Grade Standard Region/Area Standard Content
Metals GS-8 Mn 7 DIN 17182 Germany Steel castings with improved weldability and toughness for general use

Chemical composition(mass fraction)(wt.%) of the GS-8 Mn 7

Element Min Max Similar

Mechanical Properties of steel grade GS-8 Mn 7

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)
493 (≥) 916 (≥) 31 41 31 Solution and Aging, Annealing, Ausaging, Q+T,etc 241

Physical Properties of steel grade GS-8 Mn 7

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
44 - -     0.44 -  
243 674 - 12.3 142   -  
541 - 31 33.2   423 241

Heat Treatment of steel grade GS-8 Mn 7

Heat treated : 1772°C - 1586°C

Technological Curves of steel grade GS-8 Mn 7

Cross Reference Table (Equivalent Grade) of GS-8 Mn 7

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