Designation
Name |
The value |
Designation GOST Cyrillic |
М3 |
Designation GOST Latin |
M3 |
Transliteration |
M3 |
By chemical elements |
Cu3 |
Description
Copper M3 is used: for the production of rolled alloys copper-based and other casting alloys; for the manufacture of products of cryogenic equipment; round drawn thin-walled tubes; drawn rectangular tubes, intended for the manufacture of waveguides; cold-rolled foil and strip, cold-rolled and hot-rolled sheets and plates of General purpose; radiator tape, is intended for manufacturing cooling tubes and radiator fins; drawn capillary tubes used in propose hypersound or ultras and instrumentation and refrigeration equipment.
Note
M3 copper produced by fire refining and smelting waste and scrap of copper.
Standards
Name |
Code |
Standards |
Tape |
В54 |
GOST 1018-77, GOST 20707-80, GOST 1173-2006, GOST Р 50248-92, OST 4.021.077-92 |
Bars |
В55 |
GOST 1535-2006, OST 4.021.019-92 |
Tubes of non-ferrous metals and alloys |
В64 |
GOST 2624-77, GOST 11383-75, GOST 20900-75, GOST 617-2006, OST 4.021.122-92 |
Sheets and strips |
В53 |
GOST 495-92, OST 4.021.049-92 |
Non-ferrous metals, including rare, and their alloys |
В51 |
GOST 859-2001, OST 4.021.009-92 |
Chemical composition
Standard |
S |
Ni |
Fe |
Cu |
As |
Sn |
Sb |
Pb |
Bi |
O |
GOST 1018-77 |
≤0.01 |
≤0.2 |
≤0.05 |
Rest |
≤0.01 |
0.02-0.05 |
≤0.05 |
≤0.05 |
≤0.003 |
≤0.08 |
GOST 1173-2006 |
≤0.01 |
≤0.2 |
≤0.05 |
Rest |
≤0.01 |
≤0.05 |
≤0.05 |
≤0.05 |
≤0.003 |
≤0.08 |
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, % |
d |
d10 |
HB, MPa |
HV, MPa |
The tape is supplied according to GOST 1018-77 (samples) |
0.35-1.86 |
≥200 |
- |
≥36 |
- |
- |
- |
Cold-rolled steel strip of 0.05-2.0 mm in the delivery state on the EAST 4.021.077-92 (samples transverse) |
- |
200-260 |
- |
≥36 |
- |
- |
- |
- |
≥290 |
- |
≥3 |
- |
- |
- |
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 |
Sheet metal as supplied at OST 4.021.049-92 (samples transverse) |
0.4-10 |
20-260 |
- |
- |
≥36 |
≥55 |
- |
0.4-10 |
≥290 |
- |
- |
≥3 |
≥95 |
- |
Bars at the EAST 4.021.019-92, GOST 1535-2006 in the delivery condition (longitudinal samples) |
- |
≥190 |
≥35 |
- |
≥20 |
≥35 |
≥40 |
- |
≥200 |
≥40 |
- |
≥35 |
≥40 |
40-65 |
- |
≥240 |
≥15 |
- |
≥10 |
≥60 |
70-95 |
- |
≥270 |
≥8 |
- |
≥5 |
≥70 |
90-115 |
The pulled capillary tube in the state of delivery according to GOST 2624-77 (samples) |
- |
≥200 |
≥40 |
- |
≥35 |
- |
- |
- |
≥250 |
≥5 |
- |
≥4 |
- |
- |
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 |
d |
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 |
С |
Specific heat |