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Bearing friction devices magnetic recording and reproducing units, small gears, motors, acoustic devices, machines for processing food products, household appliances, textile machines and others. They are used to replace the rolling bearing, cast alloys based on ferrous metals (bronze, babbitt, etc.).

Classification

Country	Section	Category
Country	Section	Category
CIS, Russia, Ukraine	Powder metallurgy	Copper, base powder. Antifriction materials

Chemical composition

Standard	Sn, %	Cu, %	C, %
Standard	Sn, %	Cu, %	C, %
GOST 26719-85	9.5–10.5	89.25–90.5	< 0.25

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Mechanical properties at 20 °C

Rolling	Standard	Size, mm	Tension	Classifiers	$\sigma _{U}$ , $MPa$	$KCU\cdot 10^{3}$ , $\frac{J}{m^2}$	Treatment
Rolling	Standard	Size, mm	Tension	Classifiers	$\sigma _{U}$ , $MPa$	$KCU\cdot 10^{3}$ , $\frac{J}{m^2}$	Treatment
Alloy	GOST 26719-85				60	13

Brinell hardness number

Rolling	Standard	Classifiers	Value, HBW
Rolling	Standard	Classifiers	Value, HBW
Alloy	GOST 26719-85		350

Standards

Standard	Description
Standard	Description
GOST 26719-85

Description of chemical elements

Element	Units of measurement	Description
Element	Units of measurement	Description
Sn	%	Tin
Cu	%	Copper
C	%	Carbon

Description of mechanical properties

Parameter	Units of measurement	Description
Parameter	Units of measurement	Description
$\sigma _{U}$	$MPa$	Ultimate tensile strength
$KCU\cdot 10^{3}$	$\frac{J}{m^2}$	Impact toughness