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Description

Romania STAS/SR 40Cr10S Alloy structural steel and 40Cr10S Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Structure Steel: 40Cr10S
Category Type Steel Grade Standard Country Application
Steel GradesStructure Steel 40Cr10S STAS/SR Romania Alloy structural steel
36MnCrSi13XS
39MoAICr15
39MoAlCr15S
39MoAlCr15X
39MoAlCr15XS
40BOL0
40BCr10S
40BCr10X
40BCr10XS
40Cr10

Chemical composition(mass fraction)(wt.%) of the 40Cr10S

C(%) Si(%) Mn(%) P(%) S(%) Cr(%) Ni(%) Mo(%) Cu(%) Ti(%)
0.36-0.44 0.17-0.37 0.50-0.80 0.035 0.020-0.040 0.80-1.10 0.30 0.15 0.3 0.02

Mechanical Properties of steel grade 40Cr10S

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)
886 (≥) 437 (≥) 24 22 24 Solution and Aging, Annealing, Ausaging, Q+T,etc 414

Physical Properties of steel grade 40Cr10S

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
13 - -     0.34 -  
435 766 - 14.3 323   -  
289 - 21 24.2   412 313

Heat Treatment of steel grade 40Cr10S

Heat treated : 1266°C - 1546°C

Technological Curves of steel grade 40Cr10S

Cross Reference Table (Equivalent Grade) of 40Cr10S

Grade Standard Country Application
40Cr10S STAS/SR Romania Alloy structural steel

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