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America SAE 13B45 Chemical compositions of SAE alloy steels and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: 13B45 / 13B45
Category Grade Standard Region/Area Standard Content
Metals 13B45 SAE J 404 America Chemical compositions of SAE alloy steels

Chemical composition(mass fraction)(wt.%) of the 13B45

Element Min Max Similar
Si 0.1500 0.3500 -
S - 0.0400 -
P - 0.0350 -
Ni - 0.0250 -
Mo - 0.0600 -
Mn 1.5000 1.9000 -
Cu - 0.3500 -
Cr - 0.2000 -
C 0.4100 0.4900 -
B 0.0005 0.0030 -

Mechanical Properties of steel grade 13B45

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)
656 (≥) 162 (≥) 24 11 43 Solution and Aging, Annealing, Ausaging, Q+T,etc 113

Physical Properties of steel grade 13B45

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 - -     0.12 -  
324 193 - 23.3 441   -  
627 - 12 31.2   141 233

Heat Treatment of steel grade 13B45

Heat treated : 1456°C - 1524°C

Technological Curves of steel grade 13B45

Cross Reference Table (Equivalent Grade) of 13B45

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