LA77-2u

Complex alloyed brass

For the manufacture of pipes

Classification

Country	Section	Category
Country	Section	Category
CIS, Russia, Ukraine	Brass (copper-zinc alloy)	Brass, pressure treated

Chemical composition

Standard	Fe, %	Si, %	Bi, %	Mn, %	Cu, %	Zn, %	Ni, %	Sb, %	Al, %	Pb, %	P, %
Standard	Fe, %	Si, %	Bi, %	Mn, %	Cu, %	Zn, %	Ni, %	Sb, %	Al, %	Pb, %	P, %
GOST 15527-2004	0.03–0.1	0.03–0.2	< 0.002	0.03–0.3	76–79	16.77–21.8	0.3–1	< 0.005	1.7–2.5	< 0.07	0.005–0.02

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Physical characteristics

Temperature, °C	$\rho$ , $\frac{kg}{m^3}$
Temperature, °C	$\rho$ , $\frac{kg}{m^3}$
20	8300

Mechanical properties at 20 °C

Rolling	Standard	Size, mm	Tension	Classifiers	$\sigma _{U}$ , $MPa$	Treatment
Rolling	Standard	Size, mm	Tension	Classifiers	$\sigma _{U}$ , $MPa$	Treatment
Pipes are soft.	GOST 51573-2000				390

Standards

Standard	Description
Standard	Description
GOST 15527-2004
GOST 51573-2000	GOST
DSTU GOST 15527:2005

Description of chemical elements

Element	Units of measurement	Description
Element	Units of measurement	Description
Fe	%	Iron
Si	%	Silicon
Bi	%	Bismuth
Mn	%	Manganese
Cu	%	Copper
Zn	%	Zinc
Ni	%	Nickel
Sb	%	Antimony
Al	%	Aluminium
Pb	%	Lead
P	%	Phosphorus

Description of physical characteristics

Parameter	Units of measurement	Description
Parameter	Units of measurement	Description
$\rho$	$\frac{kg}{m^3}$	The density of the material

Description of mechanical properties

Parameter	Units of measurement	Description
Parameter	Units of measurement	Description
$\sigma _{U}$	$MPa$	Ultimate tensile strength