An alloy of iron with nickel and cobalt alloyed with chromium 35NKHSP

  • Chemical composition
Fe Iron Rest
Co Cobalt 27.0 — 29.0
Si Silicon 0.8 — 1.2
Mn Manganese 0.3 — 0.6
Ni Nickel 35.0 — 37.0
S Sulfur <0.02
C Carbon <0.03
P Phosphorus <0.02
Cr Chromium 1.8 — 2.2
Domestic counterpart — 35NKHS

Contains an increased percentage of manganese. When changing for the manufacture of cores of magnetic amplifiers, switching chokes, rectifier installations; the alloy has anisotropy of magnetic properties and a rectangular hysteresis loop. Production in Russia is carried out in accordance with the requirements of GOST 10994−74 and GOST 10160−75

Classification

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

Chemical composition

Standard Fe, % Si, % Mn, % Co, % Cr, % Ni, % P, % C, % S, %
GOST 10994-74 29.93–35.1 0.8–1.2 0.3–0.6 27–29 1.8–2.2 35–37 < 0.02 < 0.03 < 0.02

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
20 170 8400 0.6
100 10.8

Mechanical properties at 20 °C

Rolling Standard Size, mm Tension Classifiers \sigma _{U}, MPa \sigma_{P}, MPa \epsilon_L, % Treatment
Tape 490 145 40
Tape cold-work 880 4

Brinell hardness number

Rolling Standard Classifiers Value, HBW
130–170

Standards

Standard Description
GOST 10994-74

Description of chemical elements

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

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
\sigma _{U} MPa Ultimate tensile strength
\sigma_{P} MPa Proportionality limit
\epsilon_L % Elongation at break (longitudinal)