Brass LC25S2

Designation

Name The value
Designation GOST Cyrillic ЛЦ25С2
Designation GOST Latin LTs25C2
Transliteration LTs25S2
By chemical elements ЛZn25Pb2

Description

Brass LC25S2 used: for the manufacture of castings parts fittings hydraulic systems of vehicles.

Note

Brass tin-lead.

Standards

Name Code Standards
Non-ferrous metals, including rare, and their alloys В51 GOST 17711-93, GOST Р 50425-92

Chemical composition

Standard Mn Si Ni Fe Cu Al Zn Sn Sb Pb
GOST 17711-93 ≤0.5 ≤0.5 ≤1 ≤0.7 70-75 ≤0.3 Rest 0.5-1.5 ≤0.2 1-3
Zn is the basis.
According to GOST 17711-93, the total amount of impurities should be ≤ 1.50%. 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

σU, MPa d5, % HB, MPa
Castings on OST 1 90077-72
≥146 ≥8 ≥60

Description mechanical marks

Name Description
σU Limit short-term strength
d5 Elongation after rupture
HB Brinell hardness number