Designation
Name |
The value |
Designation GOST Cyrillic |
ЛС59-2 |
Designation GOST Latin |
LC59-2 |
Transliteration |
LS59-2 |
By chemical elements |
ЛPb59-2 |
Description
Brass LS59−2 applies: for the production of bars used for the manufacture of various parts by means of machining.
Note
Lead brass.
Standards
Name |
Code |
Standards |
Tape |
В54 |
GOST 15527-2004 |
Bars |
В55 |
GOST 2060-2006, GOST Р 52597-2006, GOST 31366-2008 |
Wire from nonferrous metals and their alloys |
В74 |
TU 1845-001-17843790-94 |
Chemical composition
Standard |
Ni |
Fe |
Cu |
Al |
Zn |
Sn |
Pb |
GOST 15527-2004 |
≤0.4 |
≤0.4 |
57-59 |
≤0.1 |
Rest |
≤0.3 |
1.5-2.5 |
Cu is the basis.
According to GOST 15527-2004 the sum of other elements should be ≤ 0,20%. In brass, the mass fraction of nickel is allowed up to 0.50% due to the mass fraction of copper, which is not taken into account in the sum of other impurities.
Mechanical properties
Section, mm |
σU, MPa |
d5, % |
d10 |
HB, MPa |
HV, MPa |
Rods are supplied according to GOST 2060-2006 (longitudinal samples) |
10-50 |
≥360 |
≥22 |
≥18 |
- |
80-140 |
55-180 |
≥360 |
≥22 |
≥18 |
- |
70-140 |
3-50 |
≥330 |
≥25 |
≥22 |
≥80 |
80-140 |
13-20 |
≥390 |
≥15 |
≥12 |
≥100 |
121-170 |
21-40 |
≥390 |
≥18 |
≥15 |
≥100 |
121-170 |
3-12 |
≥410 |
≥10 |
≥8 |
≥100 |
121-170 |
3-12 |
≥490 |
≥7 |
≥5 |
≥130 |
≥171 |
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 |
r, kg/m3 |
20 |
8400 |
A description of the physical symbols
Name |
Description |
Е |
The normal elasticity modulus |
l |
Coefficient of thermal conductivity |
R |
UD. the resistivity |