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18 MnCr 11 AT

Romania STAS 18MnCr11AT Steels for motor vehicles and tractors. Grades and general technical requirements for quality and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: 18MnCr11AT / 18 MnCr 11 AT
Category Grade Standard Region/Area Standard Content
Metals 18 MnCr 11 AT STAS 8580 Romania Steels for motor vehicles and tractors. Grades and general technical requirements for quality

Chemical composition(mass fraction)(wt.%) of the 18 MnCr 11 AT

Element Min Max Similar

Mechanical Properties of steel grade 18 MnCr 11 AT

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)
888 (≥) 359 (≥) 11 24 13 Solution and Aging, Annealing, Ausaging, Q+T,etc 321

Physical Properties of steel grade 18 MnCr 11 AT

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
34 - -     0.14 -  
563 427 - 11.3 214   -  
678 - 42 12.2   412 244

Heat Treatment of steel grade 18 MnCr 11 AT

Heat treated : 1177°C - 1534°C

Technological Curves of steel grade 18 MnCr 11 AT

Cross Reference Table (Equivalent Grade) of 18 MnCr 11 AT

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