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Description

G38MnSi4 Mould Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Mould Steel: G38MnSi4
Category Type Steel Grade Standard Country Application
Steel GradesMould Steel G38MnSi4
GS-20CoCrWMo10-9
1.2888
G8Mn7
1.5015
GS-8Mn7
1.5015
G46MnSi4
1.5121
GS-46MnSi4
1.5121

Chemical composition(mass fraction)(wt.%) of the G38MnSi4

C
Si
Mn
P
S
Cr Ni
 0.34-0.42 0.70-0.90  0.90-1.20  0.035  0.035     
Mo Al Cu Nb Ti V Ce
             
N Co Pb B Other    
             
             

Mechanical Properties of steel grade G38MnSi4

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)
451 (≥) 487 (≥) 33 23 34 Solution and Aging, Annealing, Ausaging, Q+T,etc 344

Physical Properties of steel grade G38MnSi4

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 -  
243 195 - 21.3 132   -  
725 - 14 32.2   333 322

Heat Treatment of steel grade G38MnSi4

Heat treated : 1444°C - 1353°C

Technological Curves of steel grade G38MnSi4


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