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Russia GOST BrAZh9-4 Tin-free pressure-worked bronzes. Grades and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: BrAZh9-4 / BrAZh9-4
Category Grade Standard Region/Area Standard Content
Metals BrAZh9-4 GOST 18175 Russia Tin-free pressure-worked bronzes. Grades

Chemical composition(mass fraction)(wt.%) of the BrAZh9-4

Element Min Max Similar

Mechanical Properties of steel grade BrAZh9-4

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)
516 (≥) 937 (≥) 33 13 11 Solution and Aging, Annealing, Ausaging, Q+T,etc 134

Physical Properties of steel grade BrAZh9-4

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 - -     0.14 -  
627 623 - 31.3 413   -  
782 - 44 44.2   441 232

Heat Treatment of steel grade BrAZh9-4

Heat treated : 1413°C - 1887°C

Technological Curves of steel grade BrAZh9-4

Cross Reference Table (Equivalent Grade) of BrAZh9-4

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