Brass ЛМцА57-3-1

Designation

Name The value
Designation GOST Cyrillic ЛМцА57-3-1
Designation GOST Latin LMtsA57-3-1
Transliteration LMtsA57-3-1
By chemical elements ЛMnAl57-3-1

Description

Brass ЛМцА57−3-1 is used: for the manufacture of products of medium strength, high viscosity and corrosion resistance.

Note

According to GOST 28873−90 brass ЛМцА57−3-1 should be removed from the production 01.01.1992 G.

Standards

Name Code Standards
Non-ferrous metals, including rare, and their alloys В51 GOST 28873-90
Tape В54 STP М354-99

Chemical composition

Standard P Mn Ni Fe Cu Al Zn Sb Pb Bi
STP М354-99 ≤0.01 2.5-3.5 ≤0.5 ≤1 55-58.5 0.5-1.5 Rest ≤0.005 ≤0.2 ≤0.002
According to STP M354-99, the total share of impurities should be ≤ 1.30%.

Mechanical properties

σU, MPa d5, % HB, MPa
Forgings after forging STP М354-99
≥500 ≥15 ≥115

Description mechanical marks

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

Physical characteristics

Temperature Е, HPa r, kg/m3 l, W/(m · °C) R, Mr. · m
20 104 8400 67 121

A description of the physical symbols

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