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Brass Lancz 75-2-2,5-0,5-0,5 (alloy 156)

Designation

Name The value
Designation GOST Cyrillic ЛАНКМц 75-2-2,5-0,5-0,5
Designation GOST Latin LAHKMts 75-2-2,5-0,5-0,5
Transliteration LANKMts 75-2-25-05-05
The chemical elements ЛAlNiCoMn 75-2-2,5-0,5-0,5
Name The value
Designation GOST Cyrillic сплав 156
Designation GOST Latin cplab 156
Transliteration splav 156
The chemical elements сплав 156

Description

Brass Lancz 75−2-2,5−0,5−0,5 is used: for the manufacture of strip; springs, gauge tubes; in instrumentation for the manufacture of elastic sensing elements in instruments and other spring details.

Note

Complex alloyed brass.

Standards

Name Code Standards
Tapes В54 GOST 15527-2004
Non-ferrous metals, including rare metals, and their alloys В51 GOST 28873-90
Sheets and stripes В53 OST 4-021.071-78, TU 48-08-467-71
Pipes from non-ferrous metals and alloys В64 TU 48-21-363-88, TU 48-21-870-89

Chemical composition

Standard P Mn Si Ni Fe Cu Al Zn Sb Pb Bi
GOST 15527-2004 ≤0.01 0.3-0.7 0.3-0.7 2-3 ≤0.1 73-76 1.6-2.2 The rest ≤0.005 ≤0.05 ≤0.002
Cu is the basis.
According to GOST 15527-2004 the sum of other elements should be ≤ 0.50%. In brass, the mass fraction of nickel is allowed up to 0.50% due to the mass fraction of copper, which is not taken into account in the sum of other impurities.

Mechanical characteristics

σB, MPa d5, % Brinell hardness number, MPa
Brass supplied
500-600 45-55 -
850-950 6-10 284-294

Description mechanical marks

Name Description
σB Limit short-term strength
d5 Elongation after rupture

Physical characteristics

Temperature Е, ГПа r, кг/м3 l, Вт/(м · °С) R, НОм · м
20 115 8600 921 137

A description of the physical symbols

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

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