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England B.S. En45A Wrought steels for mechanical and allied engineering purposes and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: En45A / En45A
Category Grade Standard Region/Area Standard Content
Metals En45A BS 970 England Wrought steels for mechanical and allied engineering purposes

Chemical composition(mass fraction)(wt.%) of the En45A

Element Min Max Similar
Si 1.7000 2.0000 -
S - 0.0500 -
P - 0.0500 -
Mn 0.7000 1.0000 -
C 0.5500 0.6500 -

Mechanical Properties of steel grade En45A

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)
655 (≥) 847 (≥) 42 21 14 Solution and Aging, Annealing, Ausaging, Q+T,etc 432

Physical Properties of steel grade En45A

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
14 - -     0.14 -  
739 963 - 32.3 232   -  
726 - 22 41.2   224 142

Heat Treatment of steel grade En45A

Heat treated : 1973°C - 1642°C

Technological Curves of steel grade En45A

Cross Reference Table (Equivalent Grade) of En45A

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