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Brass LS63-3

Designation

Name The value
Designation GOST Cyrillic ЛС63-3
Designation GOST Latin LC63-3
Transliteration LS63-3
The chemical elements ЛPb63-3

Description

Brass LS63−3 is used: for the manufacture of semi-finished products (strips, sheets, bars, wires); watch parts; bushing; cold-rolled strips and strips used in precision instrumentation.

Note

Lead brass.

Standards

Name Code Standards
Wire of non-ferrous metals and their alloys В74 GOST 19703-79
Bars В55 GOST 2060-2006, GOST Р 52597-2006, GOST 31366-2008
Non-ferrous metals, including rare metals, and their alloys В51 GOST 28873-90
Tapes В54 GOST 4442-72, GOST 15527-2004, GOST 4442-2014

Chemical composition

Standard P Fe Cu Zn Sn Sb Pb Bi
GOST 4442-2014 ≤0.01 ≤0.1 62-65 The rest ≤0.1 ≤0.005 2.4-3 ≤0.002
Cu is the basis.
According to GOST 15527-2004, GOST 2060-2006 the amount of other elements should be ≤ 0,25%. 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

Section, mm σB, MPa d5, % d d10 Brinell hardness number, MPa
Strip and cold-rolled strip in the delivery state according to GOST 4442-72 (samples)
- ≥295 ≥40 - - -
- ≥630 - - - -
- 340-440 - - - -
- 390-490 - - - -
- 440-550 ≥5 - - -
- 490-630 - - - -
Wire in the delivery state according to GOST 19703-79
0.56-10 ≥290 - ≥32 - -
0.56-6.5 620-720 - - - -
7-9 620-690 - - - -
0.56-10 380-510 - ≥3 - -
0.56-10 510-620 - - - -
Rods are supplied according to GOST 2060-2006 (longitudinal samples)
10-20 ≥350 - - ≥12 ≥95
10-14 ≥540 - - - ≥143
15-20 ≥490 - - - ≥130
3-9.5 ≥590 - - - ≥155

Description mechanical marks

Name Description
Section Section
σB Limit short-term strength
d5 Elongation after rupture
d Elongation after rupture
d10 Elongation after rupture

Physical characteristics

Temperature Е, ГПа r, кг/м3 l, Вт/(м · °С) R, НОм · м
20 98 8500 117 69

A description of the physical symbols

Name Description
Е The normal elasticity modulus
l Coefficient of thermal conductivity
R UD. the resistivity
С Specific heat

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