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France AFNOR NF 45M5 Non standardized steels and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: 45M5 / 45 M 5
Category Grade Standard Region/Area Standard Content
Metals 45 M 5 -- France Non standardized steels

Chemical composition(mass fraction)(wt.%) of the 45 M 5

Element Min Max Similar
Si 0.1000 0.4000 -
S - 0.0350 -
P - 0.0400 -
Mn 1.2000 1.5000 -
C 0.3900 0.4800 -

Mechanical Properties of steel grade 45 M 5

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)
927 (≥) 717 (≥) 21 31 21 Solution and Aging, Annealing, Ausaging, Q+T,etc 212

Physical Properties of steel grade 45 M 5

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
24 - -     0.13 -  
376 297 - 31.3 131   -  
581 - 11 42.2   433 141

Heat Treatment of steel grade 45 M 5

Heat treated : 1222°C - 1734°C

Technological Curves of steel grade 45 M 5

Cross Reference Table (Equivalent Grade) of 45 M 5

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