Alloy 33HX3 (Alloy EP547)

No foreign analogues

Used in the electric vacuum industry

Classification

Country Section Category
CIS, Russia, Ukraine Precision alloys With given TCLE

Chemical composition

Standard Fe, % Si, % Mn, % Cr, % Ni, % P, % C, % S, %
TU 14-1-1187-75 60.91–64.2 0.3–0.8 < 0.4 3–3.8 32.5–34 < 0.02 < 0.05 < 0.02

Information on suppliers

Physical characteristics

Temperature, °C $$\alpha\cdot 10^{6}$$, $$K^{-1}$$ $$\varkappa$$, $$\frac{W}{m\cdot K}$$ $$\rho$$, $$\frac{kg}{m^3}$$ Cp, Дж/кг·К
20 11–17 56–74 8100 456

Mechanical properties at 20 °C

Rolling Standard Size, mm Tension Classifiers $$\sigma _{U}$$, $$MPa$$ $$\sigma_{Y}$$, $$MPa$$ d5, % Treatment
Tape TU 14-1-1187-75 50 Transverse 400–430 240–260 30–40

Magnetic properties

Rolling $$\mu_{max}$$, $$MH/m$$
Tape 5200–6300

Brinell hardness number

Rolling Standard Classifiers Value, HBW
Tape TU 14-1-1187-75 140–170

Limit operating modes

Standard Температура, °C
TU 14-1-1187-75 < 100

Standards

Standard Description
TU 14-1-1187-75

Description of chemical elements

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

Description of physical characteristics

Parameter Units of measurement Description
Cp Дж/кг·К Specific heat of material
$$\alpha\cdot 10^{6}$$ $$K^{-1}$$ 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

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
$$\mu_{max}$$ $$MH/m$$ Magnetic permeability (not more)