SrM90 (SRM 900)

Melting point: 779 — 875 ° C

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

Classification

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

Chemical composition

Standard Fe, % Bi, % Cu, % Sb, % Pb, % Ag, %
GOST 6836-2002 < 0.1 < 0.002 9.48–10.19 < 0.002 < 0.004 89.7–90.3

Information on suppliers

Physical characteristics

Temperature, °C \rho, \frac{kg}{m^3}
20 10320

Mechanical properties at 20 °C

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
779–875

Standards

Standard Description
GOST 6836-2002

Description of chemical elements

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
\rho \frac{kg}{m^3} The density of the material

Description of mechanical properties

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
melting point °C The temperature at which solid crystalline body makes the transition to the liquid state and Vice versa