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Copper M00b

Designation

Name The value
Designation GOST Cyrillic М00б
Designation GOST Latin M00b
Transliteration M00b
The 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 metals, and their alloys В51 GOST 193-79, GOST 859-2001
Pipes from non-ferrous metals and alloys В64 TU 48-21-366-74
Tapes 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 characteristics

Section, mm sT|s0,2, MPa σB, MPa d5, % Brinell hardness number, 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
Section Section
sT|s0,2 Yield strength or limit of proportionality with a tolerance for residual deformation of 0.2%
σB Limit short-term strength
d5 Elongation after rupture

Physical characteristics

Temperature Е, ГПа r, кг/м3 l, Вт/(м · °С) R, НОм · м С, Дж/(кг · °С)
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

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