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Description

G40Mn5 Mould Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Mould Steel: G40Mn5
Category Type Steel Grade Standard Country Application
Steel GradesMould Steel G40Mn5
GS-21Mn5
1.1138
G46Mn4
1.1159
GS-46Mn4
1.1159
G35Mn5
1.1831
GS-35Mn5
1.1831

Chemical composition(mass fraction)(wt.%) of the G40Mn5

C
Si
Mn
P
S
Cr Ni
 0.36-0.44 0.30-0.50  1.20-1.50  0.035  0.035     
Mo Al Cu Nb Ti V Ce
             
N Co Pb B Other    
             
             

Mechanical Properties of steel grade G40Mn5

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)
361 (≥) 181 (≥) 32 31 11 Solution and Aging, Annealing, Ausaging, Q+T,etc 311

Physical Properties of steel grade G40Mn5

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
12 - -     0.43 -  
996 163 - 31.3 424   -  
418 - 24 14.2   221 133

Heat Treatment of steel grade G40Mn5

Heat treated : 1632°C - 1897°C

Technological Curves of steel grade G40Mn5


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