MN19

cladding material for medical instruments, precision mechanics; Alloy badly deformed cold, well welded, corrosion-resistant.

Classification

Country	Section	Category
Country	Section	Category
CIS, Russia, Ukraine	Copper, copper alloys	Copper-Nickel Alloys

Chemical composition

Standard	Fe, %	Si, %	Mg, %	Bi, %	Mn, %	Cu, %	Zn, %	Sb, %	Pb, %	As, %	P, %	C, %	S, %	Ni + Co, %
Standard	Fe, %	Si, %	Mg, %	Bi, %	Mn, %	Cu, %	Zn, %	Sb, %	Pb, %	As, %	P, %	C, %	S, %	Ni + Co, %
GOST 492-2006	< 0.5	< 0.15	< 0.05	< 0.002	< 0.3	78.5–82	< 0.3	< 0.005	< 0.005	< 0.01	< 0.01	< 0.05	< 0.01	18–20

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Physical characteristics

Temperature, °C	$E\cdot 10^{9}$ , $MPa$	$\alpha\cdot 10^{6}$ , $K^{-1}$	$\varkappa$ , $\frac{W}{m\cdot K}$	$\rho$ , $\frac{kg}{m^3}$	$R\cdot 10^{-6}$ , $\Omega\cdot m$
Temperature, °C	$E\cdot 10^{9}$ , $MPa$	$\alpha\cdot 10^{6}$ , $K^{-1}$	$\varkappa$ , $\frac{W}{m\cdot K}$	$\rho$ , $\frac{kg}{m^3}$	$R\cdot 10^{-6}$ , $\Omega\cdot m$
20	140	16	38.5	8900	0.287

Mechanical properties at 20 °C

Rolling	Standard	Size, mm	Tension	Classifiers	$\sigma _{U}$ , $MPa$	$\epsilon_L$ , %	Treatment
Rolling	Standard	Size, mm	Tension	Classifiers	$\sigma _{U}$ , $MPa$	$\epsilon_L$ , %	Treatment
Tape softly.	GOST 5187-2003				290	22–25
The tape is hard.	GOST 5187-2003				390	2.5
The band is soft.	GOST 5063-73				290	30
The strip is hard.	GOST 5063-73				390	3

Brinell hardness number

Rolling	Standard	Classifiers	Value, HBW
Rolling	Standard	Classifiers	Value, HBW
The alloy is soft			690
Alloy hard			1170

Casting and technological parameters

melting point, °C	Hot working temperature, °C	annealing temperature, °C
melting point, °C	Hot working temperature, °C	annealing temperature, °C
1190	900–1030	600–780

Analogues

USA
USA
SB 111 (C71000)

Standards

Standard	Description
Standard	Description
GOST 492-2006
GOST 1018-15
GOST 492-1973
GOST 5063-73
GOST 5063-16
DSTU GOST 492:2007

Description of chemical elements

Element	Units of measurement	Description
Element	Units of measurement	Description
Fe	%	Iron
Si	%	Silicon
Mg	%	Magnesium
Bi	%	Bismuth
Mn	%	Manganese
Cu	%	Copper
Zn	%	Zinc
Sb	%	Antimony
Pb	%	Lead
As	%	Arsenic
P	%	Phosphorus
C	%	Carbon
S	%	Sulfur
Ni + Co	%	Nickel + Cobalt

Description of physical characteristics

Parameter	Units of measurement	Description
Parameter	Units of measurement	Description
$E\cdot 10^{9}$	$MPa$	Elastic modulus
$\alpha\cdot 10^{6}$	$K^{-1}$	Coefficient of thermal (linear) expansion (range 20°C–T)
$\varkappa$	$\frac{W}{m\cdot K}$	Coefficient of thermal conductivity (the heat capacity of the material)
$\rho$	$\frac{kg}{m^3}$	The density of the material
$R\cdot 10^{-6}$	$\Omega\cdot m$	Electrical resistivity

Description of mechanical properties

Parameter	Units of measurement	Description
Parameter	Units of measurement	Description
$\sigma _{U}$	$MPa$	Ultimate tensile strength
$\epsilon_L$	%	Elongation at break (longitudinal)

Description of the casting and technological parameters

Parameter	Units of measurement	Description
Parameter	Units of measurement	Description
melting point	°C	The temperature at which solid crystalline body makes the transition to the liquid state and Vice versa
Hot working temperature	°C	The temperature at which the plastic-deformed metal recrystallizes during the pressure treatment
annealing temperature	°C	The temperature at which the processes return recrystallization and homogenization of the metal to reduce its hardness for subsequent machining