M2

For high-quality semi-finished products and alloys based on copper, pressure treated; 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 > 99.593 < 0.05 < 0.002 < 0.2 < 0.005 < 0.01 < 0.01 < 0.01 < 0.07

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 42
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

Casting and technological parameters

melting point, °C linear shrinkage, % the temperature of the casting, °C
1083 2.1 1150–1250

Coefficients of Friction

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

Analogues

USA Germany
C12500 F-Cu
2.008

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

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
linear shrinkage % The difference between model dimensions and the model casting
the temperature of the casting °C The temperature of the molten polymer is extruded from the heating cylinder into the mold