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39MoAlCr15S

Description

Romania STAS/SR 39MoAlCr15S Alloy structural steel and 39MoAlCr15S Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Structure Steel: 39MoAlCr15S
Category Type Steel Grade Standard Country Application
Steel GradesStructure Steel 39MoAlCr15S STAS/SR Romania Alloy structural steel
34MoCrNi16XS
35MnSi13
3SMnSi13S
35MnSi13X
35MnSi13XS
36MnCrSi13
36MnCrSi13S
36MnCrSiI3X
36MnCrSi13XS
39MoAICr15

Chemical composition(mass fraction)(wt.%) of the 39MoAlCr15S

C(%) Si(%) Mn(%) P(%) S(%) Cr(%) Ni(%) Mo(%) Cu(%) Al(%) Ti(%)
0.35-0.42 0.20-0.45 0.30-0.60 0.035 0.020-0.040 iss- ues 0.3 0.15- 0.25 0.3 0.70-1.10 0.02

Mechanical Properties of steel grade 39MoAlCr15S

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)
482 (≥) 853 (≥) 23 43 13 Solution and Aging, Annealing, Ausaging, Q+T,etc 224

Physical Properties of steel grade 39MoAlCr15S

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
22 - -     0.42 -  
542 714 - 13.3 224   -  
754 - 24 12.2   141 313

Heat Treatment of steel grade 39MoAlCr15S

Heat treated : 1845°C - 1544°C

Technological Curves of steel grade 39MoAlCr15S

Cross Reference Table (Equivalent Grade) of 39MoAlCr15S

Grade Standard Country Application
39MoAlCr15S STAS/SR Romania Alloy structural steel

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