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
CIS, Russia, Ukraine Precision alloys Soft Magnetic Precision Alloys

Chemical composition

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

Information on suppliers

Physical characteristics

Temperature, °C $$E\cdot 10^{9}$$, $$MPa$$ $$\alpha\cdot 10^{6}$$, $$K^{-1}$$ $$\rho$$, $$\frac{kg}{m^3}$$ $$R\cdot 10^{-6}$$, $$\Omega\cdot m$$
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
Wire GOST 10160-75 10 Transverse 500–550 260–300 35–40

Magnetic properties

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

Brinell hardness number

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

Limit operating modes

Standard Температура, °C
GOST 10994-74 < 150

Properties

Property
Magnetic texture alloy with rectangular hysteresis loop

Analogues

Russia
Сплав 34НКМ

Standards

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

Description of chemical elements

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
$$E\cdot 10^{9}$$ $$MPa$$ 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
d5 % Elongation at break
$$\sigma_{Y}$$ $$MPa$$ Yield strength
$$\sigma _{U}$$ $$MPa$$ Ultimate tensile strength

Description of magnetic properties

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