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England B.S. En8A Wrought steels for mechanical and allied engineering purposes and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: En8A / En8A
Category Grade Standard Region/Area Standard Content
Metals En8A BS 970 England Wrought steels for mechanical and allied engineering purposes

Chemical composition(mass fraction)(wt.%) of the En8A

Element Min Max Similar

Mechanical Properties of steel grade En8A

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)
282 (≥) 512 (≥) 31 13 11 Solution and Aging, Annealing, Ausaging, Q+T,etc 433

Physical Properties of steel grade En8A

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
22 - -     0.21 -  
855 847 - 12.3 141   -  
234 - 32 24.2   233 443

Heat Treatment of steel grade En8A

Heat treated : 1529°C - 1271°C

Technological Curves of steel grade En8A

Cross Reference Table (Equivalent Grade) of En8A

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