LC40S brass (LS59-1L)

Designation

Name The value
Designation GOST Cyrillic ЛЦ40С
Designation GOST Latin LTs40C
Transliteration LTs40S
By chemical elements ЛZn40Pb
Name The value
Designation GOST Cyrillic ЛС59-1Л
Designation GOST Latin LC59-1L
Transliteration LS59-1L
By chemical elements ЛPb59-1

Description

Brass LC40S used: for the manufacture of casting parts of valves and actuators to it; bushes and cages ball and roller bearings; casting parts for shipbuilding, ship engineering and instrumentation.

Note

Brass lead.

Standards

Name Code Standards
Non-ferrous metals, including rare, and their alloys В51 GOST 17711-93, GOST Р 50425-92
Bars В55 GOST 24301-93
Castings, non-ferrous metals and alloys В84 OST 1 90046-72, OST 5Р.9209-82
Cast iron castings (grey and malleable cast iron) В81 OST 24.207.01-90

Chemical composition

Standard Mn Si Ni Fe Cu Al Zn Sn Sb Pb
OST 5Р.9209-82 ≤0.5 ≤0.3 ≤1 ≤0.8 57-61 ≤0.5 Rest ≤0.5 ≤0.05 0.8-2
Zn is the basis.
According to GOST 17711-93 and OST 5P.9209-82, the total amount of impurities should be ≤ 2.0%. Impurities not specified are taken into account in the total amount of impurities. The mass fraction of nickel in brass is allowed at the expense of copper and is not included in the sum of impurities.

Mechanical properties

Section, mm sT|s0,2, MPa σU, MPa d5, % KCU, kJ/m2 HB, MPa
Castings are supplied without heat treatment
- ≥147 ≥215 ≥20 ≥196 ≥80
- ≥147 ≥215 ≥12 ≥196 ≥70
- ≥147 ≥215 ≥20 ≥196 ≥80
Casting investment casting according to OST 1 90046-72 (samples separately cast or cut from castings)
- - ≥245 ≥15 - ≥60
Rods and tubes of the first group is made by a horizontal molding according to GOST 24301-93 (in parentheses are the values for the casting of the second group of castings)
- ≥250 (200) ≥20 (15) - ≥80 (70)

Description mechanical marks

Name Description
sT|s0,2 Yield strength or limit of proportionality with a tolerance for residual deformation of 0.2%
σU Limit short-term strength
d5 Elongation after rupture
KCU Toughness
HB Brinell hardness number