Copper M3r

Designation

Name The value
Designation GOST Cyrillic М3р
Designation GOST Latin M3p
Transliteration M3r
By chemical elements Cu3р

Description

Copper M3r is used: for the production of copper alloys and other cast alloys; cold-rolled foil and strip, cold-rolled and hot-rolled sheets and plates of General purpose.

Note

Copper M3r is produced by re-melting of cathodes and scrap copper deoxidation with phosphorus.

Standards

Name Code Standards
Tape В54 GOST 1173-2006
Bars В55 GOST 1535-2006
Sheets and strips В53 GOST 495-92, TU 48-0810-209-97
Tubes of non-ferrous metals and alloys В64 GOST 617-2006
Non-ferrous metals, including rare, and their alloys В51 GOST 859-2001

Chemical composition

Standard S P Ni Fe Cu As Sn Sb Pb Bi O
GOST 1535-2006 ≤0.01 0.005-0.06 ≤0.2 ≤0.05 Rest ≤0.05 ≤0.05 ≤0.05 ≤0.03 ≤0.003 ≤0.01
Cu is the basis.
According to GOST 1173-2006, GOST 1535-2006 and GOST 859-2001 the total content of Cu + Ag is ≥ 99.50%.

Mechanical properties

Section, mm σU, MPa d5, % d10 HB, MPa HV, MPa
Ribbons and leaves (≥0.5 mm) as supplied
- ≥200 - ≥30 - -
- 200-260 ≥45 ≥36 ≥55 40-65
- 240-310 ≥15 ≥12 ≥75 65-95
- ≥290 ≥6 ≥3 ≥95 90-110
Bars according to GOST 1535-2006 in the delivery condition (longitudinal samples)
- ≥190 ≥35 ≥30 ≥35 ≥40
- ≥200 ≥40 ≥35 ≥40 40-65
- ≥240 ≥15 ≥10 ≥60 70-95
- ≥270 ≥8 ≥5 ≥70 90-115
Pipe humanitariannet and extruded in the state of delivery according to GOST 617-2006 (in cross-section is specified outside diameter, in brackets are the values for pipes with improved plasticity and strength)
≤360 ≥200 (210) ≥38 ≥35 (40) - ≤55
≤360 ≥240 (270) ≥10 ≥8 (8) - -
≤200 ≥190 ≥32 ≥30 - ≤80
200 ≥180 ≥32 ≥30 - -
≤360 ≥280 (310) - - - 90-135

Description mechanical marks

Name Description
σU Limit short-term strength
d5 Elongation after rupture
d10 Elongation after rupture
HB Brinell hardness number
HV The Vickers hardness

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
l Coefficient of thermal conductivity
R UD. the resistivity