Brass LA77-2U
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 |
ЛА77-2у |
| Designation GOST Latin |
LA77-2u |
| Transliteration |
LA77-2u |
| The chemical elements |
ЛAl77-2у |
Description
Brass LA77−2U is used: for the manufacture of pipes, resistant to marine climate; drawn tubes for heat exchangers.
Note
Complex alloyed brass.
Standards
| Name |
Code |
Standards |
| Tapes |
В54 |
GOST 15527-2004 |
| Pipes from non-ferrous metals and alloys |
В64 |
GOST Р 51573-2000, TU 48-21-859-88 |
Chemical composition
| Standard |
P |
Mn |
Si |
Ni |
Fe |
Cu |
Al |
Sb |
Pb |
Bi |
| GOST 15527-2004 |
0.005-0.02 |
0.03-0.3 |
0.03-0.2 |
0.3-1 |
0.03-0.1 |
76-79 |
1.7-2.5 |
≤0.005 |
≤0.07 |
≤0.002 |
Cu is the basis.
According to GOST R 51573-2000, GOST 15527-2004 the amount of other elements should be ≤ 0.10%. The mass fraction of iron less than 0.030% in brass is not a defective feature.
Mechanical characteristics
| sT|s0,2, MPa |
σB, MPa |
d10 |
HV, MPa |
| Tube, drawn, 10-50 mm for heat exchangers supplied according to GOST R 51573-2000 (samples) |
| ≥120 |
≥390 |
≥45 |
- |
| ≥150 |
≥420 |
≥38 |
80-130 |
Description mechanical marks
| Name |
Description |
| sT|s0,2 |
Yield strength or limit of proportionality with a tolerance for residual deformation of 0.2% |
| σB |
Limit short-term strength |
| d10 |
Elongation after rupture |
| HV |
The Vickers hardness |
Physical characteristics
| Temperature |
r, кг/м3 |
| 20 |
8300 |
A description of the physical symbols
| Name |
Description |
| r |
Density |
| l |
Coefficient of thermal conductivity |
