Brass Lc40mc3a

Designation

Name The value
Designation GOST Cyrillic ЛЦ40Мц3А
Designation GOST Latin LTs40Mts3A
Transliteration LTs40Mts3A
By chemical elements ЛZn40Mn3

Description

Brass Lc40mc3a used: for the manufacture of casting parts with a simple configuration.

Note

Brass manganese-aluminum.

Standards

Name Code Standards
Non-ferrous metals, including rare, and their alloys В51 GOST 17711-93, GOST Р 50425-92
Tape В54 STP М354-99

Chemical composition

Standard P Mn Si Ni Fe Cu Al Zn Sn Sb Pb
STP М354-99 ≤0.03 2.5-3.5 ≤0.2 ≤1 ≤1 55-58.5 0.5-1.5 Rest ≤0.5 ≤0.05 ≤0.2
According to GOST 17711-93 and STP M354-99 the total share 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
≥441 ≥15 ≥115

Description mechanical marks

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

Physical characteristics

Temperature r, kg/m3
20 8400

A description of the physical symbols

Name Description
l Coefficient of thermal conductivity
R UD. the resistivity