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

GS-8 MnMo 7 4

Germany DIN GS-8MnMo74 Steel castings with improved weldability and toughness for general use and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: GS-8MnMo74 / GS-8 MnMo 7 4
Category Grade Standard Region/Area Standard Content
Metals GS-8 MnMo 7 4 DIN 17182 Germany Steel castings with improved weldability and toughness for general use

Chemical composition(mass fraction)(wt.%) of the GS-8 MnMo 7 4

Element Min Max Similar
V - 0.1000 -
Si - 0.6000 -
S - 0.0150 -
P - 0.0200 -
Nb - 0.0500 -
N - 0.0200 -
Mo 0.3000 0.4000 -
Mn 1.5000 1.8000 -
Cr - 0.2000 -
C 0.0600 0.1000 -

Mechanical Properties of steel grade GS-8 MnMo 7 4

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)
576 (≥) 725 (≥) 31 43 24 Solution and Aging, Annealing, Ausaging, Q+T,etc 312

Physical Properties of steel grade GS-8 MnMo 7 4

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
31 - -     0.22 -  
495 244 - 21.3 134   -  
232 - 41 32.2   214 222

Heat Treatment of steel grade GS-8 MnMo 7 4

Heat treated : 1946°C - 1639°C

Technological Curves of steel grade GS-8 MnMo 7 4

Cross Reference Table (Equivalent Grade) of GS-8 MnMo 7 4

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 GS-8 MnMo 7 4?
  • List your company on S&G now? Join
  • Non-paying users only
Sidebar RFQs Menu My Account
Top