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China CNS B29 高碳鉻軸承鋼鋼料 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: B29 / B29
Category Grade Standard Region/Area Standard Content
Metals B29 CNS G 3060 China 高碳鉻軸承鋼鋼料

Chemical composition(mass fraction)(wt.%) of the B29

Element Min Max Similar

Mechanical Properties of steel grade B29

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)
376 (≥) 287 (≥) 23 43 43 Solution and Aging, Annealing, Ausaging, Q+T,etc 123

Physical Properties of steel grade B29

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
42 - -     0.42 -  
666 119 - 44.3 123   -  
271 - 44 44.2   243 434

Heat Treatment of steel grade B29

Heat treated : 1895°C - 1185°C

Technological Curves of steel grade B29

Cross Reference Table (Equivalent Grade) of B29

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