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England B.S. En18B Wrought steels for mechanical and allied engineering purposes and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: En18B / En18B
Category Grade Standard Region/Area Standard Content
Metals En18B BS 970 England Wrought steels for mechanical and allied engineering purposes

Chemical composition(mass fraction)(wt.%) of the En18B

Element Min Max Similar

Mechanical Properties of steel grade En18B

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)
269 (≥) 154 (≥) 44 33 14 Solution and Aging, Annealing, Ausaging, Q+T,etc 241

Physical Properties of steel grade En18B

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
12 - -     0.42 -  
382 294 - 32.3 333   -  
754 - 31 44.2   432 143

Heat Treatment of steel grade En18B

Heat treated : 1135°C - 1619°C

Technological Curves of steel grade En18B

Cross Reference Table (Equivalent Grade) of En18B

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