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England B.S. 55C Specification for weldable structural steels and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: 55C / 55 C
Category Grade Standard Region/Area Standard Content
Metals 55 C BS 4360 England Specification for weldable structural steels

Chemical composition(mass fraction)(wt.%) of the 55 C

Element Min Max Similar

Mechanical Properties of steel grade 55 C

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)
546 (≥) 222 (≥) 33 22 44 Solution and Aging, Annealing, Ausaging, Q+T,etc 433

Physical Properties of steel grade 55 C

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 - -     0.42 -  
272 361 - 32.3 321   -  
814 - 13 42.2   424 212

Heat Treatment of steel grade 55 C

Heat treated : 1552°C - 1211°C

Technological Curves of steel grade 55 C

Cross Reference Table (Equivalent Grade) of 55 C

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