Copper M00b

Designation

Name The value
Designation GOST Cyrillic М00б
Designation GOST Latin M00b
Transliteration M00b
By chemical elements Cu00б

Description

M00b copper used: for the manufacture of current conductors and alloys of high purity; instruments of vacuum industry.

Note

M00b copper obtained by melting of cathodes in a reducing or inertance atmosphere or vacuum.

Standards

Name Code Standards
Non-ferrous metals, including rare, and their alloys В51 GOST 193-79, GOST 859-2001
Tubes of non-ferrous metals and alloys В64 TU 48-21-366-74
Tape В54 TU 48-21-854-88

Chemical composition

Standard S P Ni Fe Cu As Zn Sn Sb Pb Bi O Ag
GOST 859-2001 ≤0.001 ≤0.0003 ≤0.001 ≤0.001 ≥99.99 ≤0.001 ≤0.001 ≤0.001 ≤0.001 ≤0.001 ≤0.0005 ≤0.001 ≤0.002
Cu is the basis.
According to GOST 859-2001, the mass fraction of selenium should not exceed 0.00050%, tellurium - 0.00050%.

Mechanical properties

Section, mm sT|s0,2, MPa σU, MPa d5, % HB, MPa
Tape supplied on the other 48-21-854-88 (samples)
0.2-3.53 - - ≥36 -
≤2.5 - ≥310 - -
2.5-3.53 - ≥284 - -
Copper in the state of delivery
90-150 200-250 ≥60 ≤45
300-450 400-490 ≥6 -

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)
20 128 8940 387 1724 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