M3

For rolled products, copper based alloys and other cast alloys; for the manufacture of products of cryogenic technology.

Classification

Country Section Category
CIS, Russia, Ukraine Copper, copper alloys Copper

Chemical composition

Standard Fe, % Cu+Ag, % Sn, % Bi, % Ni, % Sb, % Pb, % As, % S, % O, %
GOST 859-2001 < 0.05 > 99.5 < 0.05 < 0.003 < 0.2 < 0.05 < 0.05 < 0.01 < 0.01 < 0.08

Information on suppliers

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} c\cdot 10^{-3}, \frac{J}{kg\cdot K} R\cdot 10^{-6}, \Omega\cdot m
20 1.32 387 8940 390 17.8
100 1.28 16.7

Mechanical properties at 20 °C

Rolling Standard Size, mm Tension Classifiers \sigma _{U}, MPa d5, % Treatment
Pipes are pressed. GOST 617-2006 180–190 32
The alloy is soft GOST 1173-2006 cold rolling 200–260 32
Alloy hard GOST 1173-2006 cold rolling 290 6

Brinell hardness number

Rolling Standard Classifiers Value, HBW
The alloy is soft GOST 1173-2006 55
Alloy hard GOST 1173-2006 95

Coefficients of Friction

coefficient of friction with lubrication coefficient of friction without lubrication
0.011 0.43

Analogues

Germany USA
C-Cu C14200

Standards

Description of chemical elements

Element Units of measurement Description
Cu+Ag % Copper+Silver
Fe % Iron
Sn % Tin
Bi % Bismuth
Ni % Nickel
Sb % Antimony
Pb % Lead
As % Arsenic
S % Sulfur
O % Oxygen

Description of physical characteristics

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
c\cdot 10^{-3} \frac{J}{kg\cdot K} The specific heat of the material (range 20°C–T)
R\cdot 10^{-6} \Omega\cdot m Electrical resistivity

Description of mechanical properties

Parameter Units of measurement Description
d5 % Elongation at break
\sigma _{U} MPa Ultimate tensile strength