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Russia GOST B88 Tin and lead babbits. Specifications and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: B88 / B88
Category Grade Standard Region/Area Standard Content
Metals B88 GOST 1320 Russia Tin and lead babbits. Specifications

Chemical composition(mass fraction)(wt.%) of the B88

Element Min Max Similar

Mechanical Properties of steel grade B88

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)
334 (≥) 691 (≥) 34 24 31 Solution and Aging, Annealing, Ausaging, Q+T,etc 421

Physical Properties of steel grade B88

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 - -     0.24 -  
861 568 - 21.3 312   -  
631 - 22 11.2   133 314

Heat Treatment of steel grade B88

Heat treated : 1676°C - 1484°C

Technological Curves of steel grade B88

Cross Reference Table (Equivalent Grade) of B88

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