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Description

Germany DIN 37MnSi5 Valve steel and 37MnSi5 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Special Steel: 37MnSi5
Category Type Steel Grade Standard Country Application
Steel GradesSpecial Steel 37MnSi5 DIN Germany Valve steel
1.4881
X70CrMnNiN21-6
1.4882
X50CrMnNiNbN21-9
NiFe25Cr20NbTi
2.4955
65Si7
1.5028
1.5028
37MnSi5

Chemical composition(mass fraction)(wt.%) of the 37MnSi5

C(%) Si(%) Mn(%) P(%) S(%)
0.33-0.41 1.10-1.40 1.10-1.40 Max 0.035 Max 0.035

Mechanical Properties of steel grade 37MnSi5

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)
168 (≥) 371 (≥) 44 43 12 Solution and Aging, Annealing, Ausaging, Q+T,etc 412

Physical Properties of steel grade 37MnSi5

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 - -     0.24 -  
796 128 - 34.3 231   -  
599 - 32 44.2   243 143

Heat Treatment of steel grade 37MnSi5

Heat treated : 1582°C - 1738°C

Technological Curves of steel grade 37MnSi5

Cross Reference Table (Equivalent Grade) of 37MnSi5

Grade Standard Country Application
37MnSi5 FED Germany Valve steel
37MnSi5 DIN Germany Valve steel

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