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31MnCrSi11

Description

Romania STAS/SR 31MnCrSi11 Alloy structural steel and 31MnCrSi11 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Structure Steel: 31MnCrSi11
Category Type Steel Grade Standard Country Application
Steel GradesStructure Steel 31MnCrSi11 STAS/SR Romania Alloy structural steel
26MoCr11X
26MoCr11XS
28TiMnCr12
28TiMnCr12S
28TiMnCr12X
28TiMnCr12XS
30MoCrNi20
30MoCrNi20S
30MoCrNi20X
30MoCrNi20XS

Chemical composition(mass fraction)(wt.%) of the 31MnCrSi11

C(%) Si(%) Mn(%) P(%) S(%) Cr(%) Ni(%) Mo(%) Cu(%) Ti(%)
0.28-0.34 0.90-1.20 0.80-1.10 0.035 0.035 0.80-1.10 0.3 0.15 0.3 0.020

Mechanical Properties of steel grade 31MnCrSi11

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)
755 (≥) 972 (≥) 23 14 14 Solution and Aging, Annealing, Ausaging, Q+T,etc 332

Physical Properties of steel grade 31MnCrSi11

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
11 - -     0.42 -  
764 886 - 42.3 124   -  
754 - 31 34.2   444 144

Heat Treatment of steel grade 31MnCrSi11

Heat treated : 1245°C - 1121°C

Technological Curves of steel grade 31MnCrSi11

Cross Reference Table (Equivalent Grade) of 31MnCrSi11

Grade Standard Country Application
31MnCrSi11 STAS/SR Romania Alloy structural steel
31MnCrSi11S STAS/SR Romania Alloy structural steel
31MnCrSi11X STAS/SR Romania Alloy structural steel
31MnCrSi11XS STAS/SR Romania Alloy structural steel

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