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20TiMnCrI2X

Description

Romania STAS/SR 20TiMnCrI2X Alloy structural steel and 20TiMnCrI2X Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Structure Steel: 20TiMnCrI2X
Category Type Steel Grade Standard Country Application
Steel GradesStructure Steel 20TiMnCrI2X STAS/SR Romania Alloy structural steel
20MnCrSi11
20MnCrSi11S
20MnCrSi11X
20MnCrSi11XS
20MoNi35
20MoNi35S
20MoNi35X
20MoNi35XS
20TiMnCr12
20TiMnCr12S

Chemical composition(mass fraction)(wt.%) of the 20TiMnCrI2X

C(%) Si(%) Mn(%) P(%) S(%) Cr(%) Ni(%) Mo(%) Cu(%) Ti(%)
0.17-0.23 0.17-0.37 0.80-1.10 0.025 0.025 1.00-1.30 0.3 0.15 0.3 0.030-0.090

Mechanical Properties of steel grade 20TiMnCrI2X

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)
552 (≥) 666 (≥) 13 12 31 Solution and Aging, Annealing, Ausaging, Q+T,etc 114

Physical Properties of steel grade 20TiMnCrI2X

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
14 - -     0.42 -  
295 536 - 11.3 221   -  
572 - 42 33.2   431 314

Heat Treatment of steel grade 20TiMnCrI2X

Heat treated : 1171°C - 1438°C

Technological Curves of steel grade 20TiMnCrI2X

Cross Reference Table (Equivalent Grade) of 20TiMnCrI2X

Grade Standard Country Application
20TiMnCrI2X STAS/SR Romania Alloy structural steel

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