Copper M2K

Designation

Name The value
Designation GOST Cyrillic М2к
Designation GOST Latin M2k
Transliteration M2k
By chemical elements Cu2к

Description

Copper M2K is used: as a feedstock for the production of cast and deformed semi-finished products from copper and copper alloys.

Note

The copper cathode.

Standards

Name Code Standards
Non-ferrous metals, including rare, and their alloys В51 GOST 546-2001, GOST 859-2001

Chemical composition

Standard S P Ni Fe Cu As Zn Sn Sb Pb Bi O Ag
GOST 859-2001 ≤0.01 ≤0.002 ≤0.003 ≤0.005 ≥99.93 ≤0.002 ≤0.004 ≤0.002 ≤0.002 ≤0.005 ≤0.001 ≤0.03 ≤0.003
Cu is the basis.

Mechanical properties

Section, mm sT|s0,2, MPa σU, MPa d5, % HB, MPa
Copper cathodes
90-150 200-250 ≥60 ≥45
300-450 400-490 ≥6 ≥110

Description mechanical marks

Name Description
sT|s0,2 Yield strength or limit of proportionality with a tolerance for residual deformation of 0.2%
σU Limit short-term strength
d5 Elongation after rupture
HB Brinell hardness number

Physical characteristics

Temperature Е, HPa r, kg/m3 l, W/(m · °C) R, Mr. · m С, J/(kg · °C)
20 132 8940 387 178 390

A description of the physical symbols

Name Description
Е The normal elasticity modulus
r Density
l Coefficient of thermal conductivity
R UD. the resistivity