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BS 7252-12

England B.S. BS7252-12 Wrought cobalt-chromium-molybdenum alloy and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: BS7252-12 / BS 7252-12
Category Grade Standard Region/Area Standard Content
Metals BS 7252-12 BS 7252-12 England Wrought cobalt-chromium-molybdenum alloy

Chemical composition(mass fraction)(wt.%) of the BS 7252-12

Element Min Max Similar

Mechanical Properties of steel grade BS 7252-12

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)
515 (≥) 259 (≥) 33 31 14 Solution and Aging, Annealing, Ausaging, Q+T,etc 112

Physical Properties of steel grade BS 7252-12

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
31 - -     0.13 -  
752 925 - 33.3 114   -  
436 - 32 21.2   242 242

Heat Treatment of steel grade BS 7252-12

Heat treated : 1964°C - 1817°C

Technological Curves of steel grade BS 7252-12

Cross Reference Table (Equivalent Grade) of BS 7252-12

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