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20TiMnCr12

Description

Romania STAS/SR 20TiMnCr12 Alloy structural steel and 20TiMnCr12 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Structure Steel: 20TiMnCr12
Category Type Steel Grade Standard Country Application
Steel GradesStructure Steel 20TiMnCr12 STAS/SR Romania Alloy structural steel
20MnCr12X
20MnCr12XS
20MnCrSi11
20MnCrSi11S
20MnCrSi11X
20MnCrSi11XS
20MoNi35
20MoNi35S
20MoNi35X
20MoNi35XS

Chemical composition(mass fraction)(wt.%) of the 20TiMnCr12

C(%) Si(%) Mn(%) P(%) S(%) Cr(%) Ni(%) Mo(%) Cu(%) Ti(%)
0.17-0.23 0.17-0.37 0.80-1.10 0.035 0.035 1.00-1.30 0.3 0.15 0.30 0.030-0.090

Mechanical Properties of steel grade 20TiMnCr12

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)
237 (≥) 792 (≥) 33 11 12 Solution and Aging, Annealing, Ausaging, Q+T,etc 112

Physical Properties of steel grade 20TiMnCr12

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 - -     0.13 -  
837 856 - 13.3 342   -  
814 - 13 12.2   231 122

Heat Treatment of steel grade 20TiMnCr12

Heat treated : 1315°C - 1452°C

Technological Curves of steel grade 20TiMnCr12

Cross Reference Table (Equivalent Grade) of 20TiMnCr12

Grade Standard Country Application
20TiMnCr12 STAS/SR Romania Alloy structural steel
20TiMnCr12S STAS/SR Romania Alloy structural steel
20TiMnCr12XS STAS/SR Romania Alloy structural steel
20TiMnCr12AT STAS/SR Romania Alloy structural steel

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