E⋅109
MPa
α⋅106
K−1
ρ
kgm3
R⋅10−6
Ω⋅m
σU
MPa
σY
MPa
B1000
T

Alloy 34NKMP

No foreign analogues

For the manufacture of cores of magnetic amplifiers, switching chokes, rectifying plants, elements of computing devices of a computing machine.

Classification

Country	Section	Category
Country	Section	Category
CIS, Russia, Ukraine	Precision alloys	Soft Magnetic Precision Alloys

Chemical composition

Standard	Fe, %	Si, %	Mn, %	Co, %	Ni, %	P, %	C, %	S, %	Mo, %
Standard	Fe, %	Si, %	Mn, %	Co, %	Ni, %	P, %	C, %	S, %	Mo, %
GOST 10160-75	33–34	0.15–0.3	0.3–0.6	28.5–30	33.5–35	< 0.02	< 0.03	< 0.02	2.8–3.2

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Physical characteristics

Temperature, °C	$E\cdot 10^{9}$ , $MPa$	$\alpha\cdot 10^{6}$ , $K^{-1}$	$\rho$ , $\frac{kg}{m^3}$	$R\cdot 10^{-6}$ , $\Omega\cdot m$
Temperature, °C	$E\cdot 10^{9}$ , $MPa$	$\alpha\cdot 10^{6}$ , $K^{-1}$	$\rho$ , $\frac{kg}{m^3}$	$R\cdot 10^{-6}$ , $\Omega\cdot m$
20	195	9.4	8500	500

Mechanical properties at 20 °C

Rolling	Standard	Size, mm	Tension	Classifiers	$\sigma _{U}$ , $MPa$	$\sigma_{Y}$ , $MPa$	d5, %	Treatment
Rolling	Standard	Size, mm	Tension	Classifiers	$\sigma _{U}$ , $MPa$	$\sigma_{Y}$ , $MPa$	d5, %	Treatment
Wire	GOST 10160-75	10	Transverse		500–550	260–300	35–40

Magnetic properties

Rolling	$B_{1000}$ , $T$
Rolling	$B_{1000}$ , $T$
Wire	1.2–1.5

Brinell hardness number

Rolling	Standard	Classifiers	Value, HBW
Rolling	Standard	Classifiers	Value, HBW
Wire	GOST 10160-75		120–130

Limit operating modes

Standard	Температура, °C
Standard	Температура, °C
GOST 10994-74	< 150

Properties

Property
Property
Magnetic texture alloy with rectangular hysteresis loop

Analogues

Russia
Russia
Сплав 34НКМ

Standards

Standard	Description
Standard	Description
GOST 10994-74
GOST 10160-75	GOST 10160-75

Description of chemical elements

Element	Units of measurement	Description
Element	Units of measurement	Description
Fe	%	Iron
Si	%	Silicon
Mn	%	Manganese
Co	%	Cobalt
Ni	%	Nickel
P	%	Phosphorus
C	%	Carbon
S	%	Sulfur
Mo	%	Molybdenum

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)
$\rho$	$\frac{kg}{m^3}$	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
d5	%	Elongation at break
$\sigma_{Y}$	$MPa$	Yield strength
$\sigma _{U}$	$MPa$	Ultimate tensile strength

Description of magnetic properties

Parameter	Units of measurement	Description
Parameter	Units of measurement	Description
$B_{1000}$	$T$	Magnetic induction (not less) in a magnetic field while magnetic field strength is 1000 A/m