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America SAE 41B45 Chemical compositions of SAE alloy steels and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: 41B45 / 41B45
Category Grade Standard Region/Area Standard Content
Metals 41B45 SAE J 404 America Chemical compositions of SAE alloy steels

Chemical composition(mass fraction)(wt.%) of the 41B45

Element Min Max Similar

Mechanical Properties of steel grade 41B45

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)
593 (≥) 393 (≥) 42 33 43 Solution and Aging, Annealing, Ausaging, Q+T,etc 422

Physical Properties of steel grade 41B45

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
32 - -     0.31 -  
673 214 - 14.3 121   -  
224 - 14 44.2   432 421

Heat Treatment of steel grade 41B45

Heat treated : 1712°C - 1888°C

Technological Curves of steel grade 41B45

Cross Reference Table (Equivalent Grade) of 41B45

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