E⋅109
MPa
α⋅106
K−1
ϰ
Wm⋅K
ρ
kgm3
R⋅10−6
Ω⋅m
σU
MPa
ϵL

BrA9Mts2L (BrAMts9-2L)

antifriction parts fitting parts operating in fresh water and liquid fuel in steam at a temperature up to 250 ° C

Classification

Country	Section	Category
Country	Section	Category
CIS, Russia, Ukraine	Bronze	Tinless cast bronze

Chemical composition

Standard	Fe, %	Si, %	Sn, %	Mn, %	Cu, %	Zn, %	Ni, %	Sb, %	Al, %	Pb, %	As, %	P, %
Standard	Fe, %	Si, %	Sn, %	Mn, %	Cu, %	Zn, %	Ni, %	Sb, %	Al, %	Pb, %	As, %	P, %
GOST 493-79	< 1	< 0.2	< 0.2	1.5–2.5	85.2–90.5	< 1.5	< 1	< 0.05	8–9.5	< 0.1	< 0.05	< 0.1

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Physical characteristics

Temperature, °C	$E\cdot 10^{9}$ , $MPa$	$\alpha\cdot 10^{6}$ , $K^{-1}$	$\varkappa$ , $\frac{W}{m\cdot K}$	$\rho$ , $\frac{kg}{m^3}$	$R\cdot 10^{-6}$ , $\Omega\cdot m$
Temperature, °C	$E\cdot 10^{9}$ , $MPa$	$\alpha\cdot 10^{6}$ , $K^{-1}$	$\varkappa$ , $\frac{W}{m\cdot K}$	$\rho$ , $\frac{kg}{m^3}$	$R\cdot 10^{-6}$ , $\Omega\cdot m$
20	90.3		71.2	7600	0.11
100		17

Mechanical properties at 20 °C

Rolling	Standard	Size, mm	Tension	Classifiers	$\sigma _{U}$ , $MPa$	$\epsilon_L$ , %	Treatment
Rolling	Standard	Size, mm	Tension	Classifiers	$\sigma _{U}$ , $MPa$	$\epsilon_L$ , %	Treatment
Casting	GOST 493-79			in chill mold	392	20
Casting	GOST 493-79			in sandy form	392	20

Brinell hardness number

Rolling	Standard	Classifiers	Value, HBW
Rolling	Standard	Classifiers	Value, HBW
Casting	GOST 493-79	in chill mold	80
Casting	GOST 493-79	in sandy form	80

Casting and technological parameters

melting point, °C	linear shrinkage, %
melting point, °C	linear shrinkage, %
1060	1.7

Coefficients of Friction

coefficient of friction with lubrication	coefficient of friction without lubrication
coefficient of friction with lubrication	coefficient of friction without lubrication
0.006	0.18

Analogues

Germany	USA
Germany	USA
AlBz9Mn	ERCuAl-A2

Standards

Standard	Description
Standard	Description
GOST 493-79

Description of chemical elements

Element	Units of measurement	Description
Element	Units of measurement	Description
Fe	%	Iron
Si	%	Silicon
Sn	%	Tin
Mn	%	Manganese
Cu	%	Copper
Zn	%	Zinc
Ni	%	Nickel
Sb	%	Antimony
Al	%	Aluminium
Pb	%	Lead
As	%	Arsenic
P	%	Phosphorus

Description of physical characteristics

Parameter	Units of measurement	Description
Parameter	Units of measurement	Description
$E\cdot 10^{9}$	$MPa$	Elastic modulus
$\alpha\cdot 10^{6}$	$K^{-1}$	Coefficient of thermal (linear) expansion (range 20°C–T)
$\varkappa$	$\frac{W}{m\cdot K}$	Coefficient of thermal conductivity (the heat capacity of the material)
$\rho$	$\frac{kg}{m^3}$	The density of the material
$R\cdot 10^{-6}$	$\Omega\cdot m$	Electrical resistivity

Description of mechanical properties

Parameter	Units of measurement	Description
Parameter	Units of measurement	Description
$\sigma _{U}$	$MPa$	Ultimate tensile strength
$\epsilon_L$	%	Elongation at break (longitudinal)

Description of the casting and technological parameters

Parameter	Units of measurement	Description
Parameter	Units of measurement	Description
melting point	°C	The temperature at which solid crystalline body makes the transition to the liquid state and Vice versa
linear shrinkage	%	The difference between model dimensions and the model casting