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Brazil NBR AF-Mn-E2 Steel castings of austenitic manganese - Specification and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: AF-Mn-E2 / AF-Mn-E2
Category Grade Standard Region/Area Standard Content
Metals AF-Mn-E2 ABNT NBR 7243 Brazil Steel castings of austenitic manganese - Specification

Chemical composition(mass fraction)(wt.%) of the AF-Mn-E2

Element Min Max Similar
C 1.0500 1.4500 -
Mn 11.5000 14.0000 -
P - 0.0700 -
Si - 1.0000 -
Mo 1.0000 2.1000 -

Mechanical Properties of steel grade AF-Mn-E2

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)
149 (≥) 332 (≥) 21 43 23 Solution and Aging, Annealing, Ausaging, Q+T,etc 123

Physical Properties of steel grade AF-Mn-E2

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
12 - -     0.23 -  
533 584 - 23.3 242   -  
883 - 44 22.2   431 114

Heat Treatment of steel grade AF-Mn-E2

Heat treated : 1431°C - 1678°C

Technological Curves of steel grade AF-Mn-E2

Cross Reference Table (Equivalent Grade) of AF-Mn-E2

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