Alloy 32N6HYU (Alloy EP974)

No foreign analogues

It is used for the manufacture of resistors and strain gages.

Classification

Country Section Category
CIS, Russia, Ukraine Heat resistant steels and alloys Heat resistant alloys

Chemical composition

Standard Fe, % Si, % Mn, % Cr, % Ni, % Al, % P, % C, % S, %
GOST 10994-74 58.21–62.2 0.2–0.4 0.2–0.4 5.5–6.5 31–33 0.9–1.4 < 0.02 < 0.05 < 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
20 200 > 4.5 800 1.3–1.5

Mechanical properties at 20 °C

Rolling Standard Size, mm Tension Classifiers \sigma _{U}, MPa \sigma_{Y}, MPa d5, % Treatment
Wire GOST 492-2006 10 Transverse 850–1000 350–400 18–20

Brinell hardness number

Rolling Standard Classifiers Value, HBW
Wire GOST 492-2006 160–190

Limit operating modes

Standard Температура, °C
GOST 492-2006 < 400

Heat Treatment Modes

Treatment
Tempering, vacation

Properties

Property
The alloy is characterized by low thermopower paired with copper

Standards

Standard Description
GOST 10994-74

Description of chemical elements

Element Units of measurement Description
Fe % Iron
Si % Silicon
Mn % Manganese
Cr % Chrome
Ni % Nickel
Al % Aluminium
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
d5 % Elongation at break
\sigma_{Y} MPa Yield strength
\sigma _{U} MPa Ultimate tensile strength