SrM87.5 (SrM875)

Silver-copper alloy. Melting point: 779 — 830 ° C

For the manufacture of sliding contacts, electrical conductors and other products and technical purposes.

Classification

Country	Section	Category
Country	Section	Category
CIS, Russia, Ukraine	Precious metals	Silver, silver alloys

Chemical composition

Standard	Fe, %	Bi, %	Cu, %	Sb, %	Pb, %	Ag, %
Standard	Fe, %	Bi, %	Cu, %	Sb, %	Pb, %	Ag, %
GOST 6836-2002	< 0.1	< 0.002	11.98–12.69	< 0.002	< 0.004	87.2–87.8

Information on suppliers

Wish to advertise here?

Physical characteristics

Temperature, °C	$\rho$ , $\frac{kg}{m^3}$
Temperature, °C	$\rho$ , $\frac{kg}{m^3}$
20	10280

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
Wire	GOST 7222-75	0.8–4		solid	350
Wire	GOST 7222-75	0.8–4		soft	250	20

Casting and technological parameters

melting point, °C
melting point, °C
779–830

Standards

Standard	Description
Standard	Description
GOST 6836-2002

Description of chemical elements

Element	Units of measurement	Description
Element	Units of measurement	Description
Fe	%	Iron
Bi	%	Bismuth
Cu	%	Copper
Sb	%	Antimony
Pb	%	Lead
Ag	%	Silver

Description of physical characteristics

Parameter	Units of measurement	Description
Parameter	Units of measurement	Description
$\rho$	$\frac{kg}{m^3}$	The density of the material

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