Copper M00k

Designation

Name	The value
Designation GOST Cyrillic	М00к
Designation GOST Latin	M00k
Transliteration	M00k
By chemical elements	Cu00к

Description

M00k copper 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
Wire from nonferrous metals and their alloys	В74	TU 1844-01-48564189-2000

Chemical composition

Standard	S	Fe	Cu	As	Sb	Pb	Bi	Se	O	Ag	Te
GOST 859-2001	≤0.0015	≤0.001	Rest	≤0.0005	≤0.0004	≤0.0005	≤0.002	≤0.002	≤0.01	≤0.002	≤0.002

Cu is the basis.
According to GOST 859-2001, the sum of the mass fractions of Bi + Se + Te ≤ 0.00030%, the sum of the mass fractions of Cr + Mn + Sb + Cd + As + P ≤ 0.0015%, the sum of the mass fractions of Sn + Ni + Fe + Si + Zn + Co ≤ 0.0020%, the sum of the impurities (specified in the table, other than oxygen) ≤ 0.0065%.

Mechanical properties

Section, mm	s_T\|s_0,2, MPa	σ_U, MPa	d₅, %	HB, MPa
Copper cathodes
	90-150	200-250	≥60	≥45
	300-450	400-490	≥6	≥110

Description mechanical marks

Name	Description
s_T\|s_0,2	Yield strength or limit of proportionality with a tolerance for residual deformation of 0.2%
σ_U	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	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