Brass LS74-3
Brass LO70-1
Brass LMZA57-3-1
Brass LMzAJKS70-7-5-2-2-1
Brass LMZh57-1,5-0,75
Brass LMtsKA58-2-1-1
Brass LMtsKNS58-3-1,5-1,5-1
Brass LMtsKNSA58-3-1,5-1,5-1
Brass LMtsSKa58-2-2-1-1
Brass LMsh68-0,05
Brass LN65-5
Brass LNKMts49-10-0,3-0,2
Brass LNKoMts49-9-0,2-0,2
Brass ЛНМц60-9-5
Brass LO60-1
Brass LO62-1
Brass LKS65-1,5-3
Brass LO90-1
Brass LOK59-1-0.3
Brass LOMNA49-0,5-10-0,4-0,4
Brass Lomsh70-1-0.04
Brass Lomsh70-1-0.05
Brass LS58-2
Brass LS58-3
Brass LS59-1
Brass LS59-1B
Brass LS59-2
Brass LS60-1
Brass LS63-3
Brass LS64-2
Brass LS74-3
Brass LA85-0.5
Brass L59
Brass L60
Brass L63
Brass L66
Brass L68
Brass L70
Brass L72
Brass L75mk
Brass L80
Brass L85
Brass L90
Brass L96
Brass LA77-2
Brass LA77-2u
Brass LMZ58-2
Brass LAJ60-1-1 (LAJ60-1-1L)
Brass LAZHMTS52-2-1-1,5-1
Brass LAMsh77-2-0,04
Brass LAMSh77-2-0,05
Brass LAN59-3-2
Brass LANKMZ 75-2-2,5-0,5-0,5 (alloy 156)
Brass LAF94-0,5-0,15
Brass LZMc59-1-1
Brass LZhS58-1-1
Brass LC62-0.5
Brass LK75B
Brass LCAN80-1-1,9-5,8
Brass ЛКАНМЦ75-2-2,5-0,5-0,5
Brass LCBO62-0,2-0,04-0,5
Designation
| Name |
The value |
| Designation GOST Cyrillic |
ЛС74-3 |
| Designation GOST Latin |
LC74-3 |
| Transliteration |
LS74-3 |
| The chemical elements |
ЛPb74-3 |
Description
Brass LS74−3 is used: for the manufacture of semi-finished products (strips, bands, bars); watch parts; bushings.
Note
Lead brass.
Standards
| Name |
Code |
Standards |
| Tapes |
В54 |
GOST 15527-2004 |
| Sheets and stripes |
В53 |
TU 48-21-216-91 |
Chemical composition
| Standard |
P |
Fe |
Cu |
Zn |
Sb |
Pb |
Bi |
| GOST 15527-2004 |
≤0.01 |
≤0.1 |
72-75 |
The rest |
≤0.005 |
2.4-3 |
≤0.002 |
Cu is the basis.
According to GOST 15527-2004 the sum of other elements should be ≤ 0,25%. 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 characteristics
| σB, MPa |
d5, % |
Brinell hardness number, MPa |
| Brass supplied |
| 300-400 |
40-55 |
- |
| 600-700 |
2-5 |
130-140 |
Description mechanical marks
| Name |
Description |
| σB |
Limit short-term strength |
| d5 |
Elongation after rupture |
Physical characteristics
| Temperature |
Е, ГПа |
r, кг/м3 |
l, Вт/(м · °С) |
R, НОм · м |
| 20 |
105 |
8700 |
1214 |
68 |
A description of the physical symbols
| Name |
Description |
| l |
Coefficient of thermal conductivity |
| R |
UD. the resistivity |
