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FeMn68C7.0

China GB FeMn68C7.0 锰铁 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: FeMn68C7.0 / FeMn68C7.0
Category Grade Standard Region/Area Standard Content
Metals FeMn68C7.0 GB/T 3795 China 锰铁

Chemical composition(mass fraction)(wt.%) of the FeMn68C7.0

Element Min Max Similar
S - 0.0300 -
P - 0.4000 -
P - 0.2500 -
Si - 4.5000 -
Si - 2.5000 -
C - 7.0000 -
Mn 65.0000 72.0000 -

Mechanical Properties of steel grade FeMn68C7.0

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)
787 (≥) 435 (≥) 21 41 33 Solution and Aging, Annealing, Ausaging, Q+T,etc 223

Physical Properties of steel grade FeMn68C7.0

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
44 - -     0.24 -  
122 513 - 33.3 332   -  
454 - 31 21.2   213 313

Heat Treatment of steel grade FeMn68C7.0

Heat treated : 1377°C - 1494°C

Technological Curves of steel grade FeMn68C7.0

Cross Reference Table (Equivalent Grade) of FeMn68C7.0

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