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Global 企业标准 27MnCr5 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: 27MnCr5 / 27MnCr5
Category Grade Standard Region/Area Standard Content
Metals 27MnCr5 -- Global

Chemical composition(mass fraction)(wt.%) of the 27MnCr5

Element Min Max Similar
Si 0.1500 0.4000 -
S 0.0150 0.0300 -
P - 0.0200 -
Ni - 0.2500 -
Mo - 0.1000 -
Mn 0.8000 1.1000 -
Cr 1.0000 1.3000 -
C 0.3300 0.4000 -
B - 0.0005 -
Al 0.0200 0.0500 -

Mechanical Properties of steel grade 27MnCr5

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)
841 (≥) 388 (≥) 41 12 42 Solution and Aging, Annealing, Ausaging, Q+T,etc 441

Physical Properties of steel grade 27MnCr5

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
11 - -     0.21 -  
747 126 - 33.3 133   -  
719 - 11 24.2   122 144

Heat Treatment of steel grade 27MnCr5

Heat treated : 1154°C - 1177°C

Technological Curves of steel grade 27MnCr5

Cross Reference Table (Equivalent Grade) of 27MnCr5

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