Copper M3r
Designation
| Name |
The value |
| Designation GOST Cyrillic |
М3р |
| Designation GOST Latin |
M3p |
| Transliteration |
M3r |
| The 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 |
| Tapes |
В54 |
GOST 1173-2006 |
| Bars |
В55 |
GOST 1535-2006 |
| Sheets and stripes |
В53 |
GOST 495-92, TU 48-0810-209-97 |
| Pipes from non-ferrous metals and alloys |
В64 |
GOST 617-2006 |
| Non-ferrous metals, including rare metals, 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 |
The 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 characteristics
| Section, mm |
σB, MPa |
d5, % |
d10 |
Brinell hardness number, 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 |
| Section |
Section |
| σB |
Limit short-term strength |
| d5 |
Elongation after rupture |
| d10 |
Elongation after rupture |
| HV |
The Vickers hardness |
Physical characteristics
| Temperature |
Е, ГПа |
r, кг/м3 |
l, Вт/(м · °С) |
R, НОм · м |
С, Дж/(кг · °С) |
| 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 |
