MNMts3-12 (Manganin)

for electrical purposes, measuring instruments

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, %	Sb, %	Pb, %	As, %	P, %	C, %	S, %	Ni + Co, %
Standard	Fe, %	Si, %	Mg, %	Bi, %	Mn, %	Cu, %	Sb, %	Pb, %	As, %	P, %	C, %	S, %	Ni + Co, %
GOST 492-2006	< 0.5	< 0.1	< 0.03	< 0.002	11.5–13.5	82.1–86	< 0.002	< 0.02	< 0.005	< 0.005	< 0.05	< 0.02	2.5–3.5

Information on suppliers

Wish to advertise here?

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	127		22	8400	0.435
100		16

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
The alloy is soft					400–550	30–35
Alloy hard					800–900	2–4

Brinell hardness number

Rolling	Standard	Classifiers	Value, HBW
Rolling	Standard	Classifiers	Value, HBW
The alloy is soft			1200

Casting and technological parameters

melting point, °C	Hot working temperature, °C	annealing temperature, °C
melting point, °C	Hot working temperature, °C	annealing temperature, °C
1010	750–850	700–750

Analogues

Germany	CIS, Russia, Ukraine
Germany	CIS, Russia, Ukraine
CuMn12Ni	Manganin 13

Standards

Standard	Description
Standard	Description
GOST 492-2006
GOST 492-1973
GOST 10092-2006
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
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