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BrA7Mts15Zh3N2Ts2

Russia GOST BrA7Mts15Zh3N2Ts2 Tin-free foundry bronzes. Grades and Mechanical Properties, Chemical Element, Cross Reference.

Category Grade Standard Region/Area Standard Content
Metals BrA7Mts15Zh3N2Ts2 GOST 493 Russia Tin-free foundry bronzes. Grades

Chemical composition(mass fraction)(wt.%) of the BrA7Mts15Zh3N2Ts2

Element Min Max Similar
Zn 1.5000 2.5000 -
Total Others - 0.5000 -
Sn - 0.1000 -
Si - 0.1000 -
Sb - 0.0500 -
Pb - 0.0500 -
P - 0.0200 -
Ni 1.5000 2.5000 -
Mn 14.0000 15.5000 -
Fe 2.5000 3.5000 -
Cu - - -
C - 0.0500 -
As - 0.0500 -
Al 6.6000 7.5000 -

Mechanical Properties of steel grade BrA7Mts15Zh3N2Ts2

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)
324 (≥) 376 (≥) 42 24 43 Solution and Aging, Annealing, Ausaging, Q+T,etc 113

Physical Properties of steel grade BrA7Mts15Zh3N2Ts2

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
33 - -     0.21 -  
538 619 - 23.3 232   -  
518 - 14 11.2   423 141

Heat Treatment of steel grade BrA7Mts15Zh3N2Ts2

Heat treated : 1584°C - 1943°C

Technological Curves of steel grade BrA7Mts15Zh3N2Ts2

Cross Reference Table (Equivalent Grade) of BrA7Mts15Zh3N2Ts2

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