Alloy 33N2X

No foreign analogues

It is used for the manufacture of structural parts and pipelines operating at low temperatures; TKLR * 1,000,000 in the temperature range from -258 to +20 and from +20 to +100 ºC no more than 1.0−2.0 [1 / ºC]

Classification

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

Chemical composition

Standard Fe, % Si, % Mg, % Ca, % Mn, % Cr, % Cu, % Ni, % Al, % C, % S, %
GOST 10994-74 63.075–65.8 < 0.18 < 0.05 < 0.025 0.2–0.4 1.5–2.3 < 0.05 32.5–33.8 < 0.05 < 0.05 < 0.02

Information on suppliers

Physical characteristics

Temperature, °C $$\alpha\cdot 10^{6}$$, $$K^{-1}$$ $$\rho$$, $$\frac{kg}{m^3}$$ $$R\cdot 10^{-6}$$, $$\Omega\cdot m$$ Cp, Дж/кг·К
20 9.4 8200 600 460

Mechanical properties at 20 °C

Rolling Standard Size, mm Tension Classifiers $$\sigma _{U}$$, $$MPa$$ $$\sigma_{Y}$$, $$MPa$$ d5, % Treatment
Tape GOST 14086-68 100 Transverse 700 300 25–30

Magnetic properties

Rolling $$H_c$$, $$A/m$$ $$\mu_{max}$$, $$MH/m$$ $$B_{1000}$$, $$T$$
Tape 0.12 7000 14000

Brinell hardness number

Rolling Standard Classifiers Value, HBW
Tape GOST 14086-68 140–160

Casting and technological parameters

melting point, °C
1450

Limit operating modes

Standard Температура, °C
GOST 10994-74 < 150

Heat Treatment Modes

Treatment
Quenching, with first fast and then slow cooling

Properties

Property
After heat treatment, the alloy is sensitive to mechanical stresses, which, depending on the value, can lead to irreversible deterioration

Standards

Standard Description
GOST 10994-74

Description of chemical elements

Element Units of measurement Description
Fe % Iron
Si % Silicon
Mg % Magnesium
Ca % Calcium
Mn % Manganese
Cr % Chrome
Cu % Copper
Ni % Nickel
Al % Aluminium
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)
$$\rho$$ $$\frac{kg}{m^3}$$ 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
$$H_c$$ $$A/m$$ Magnetic coercivity (not more)
$$\mu_{max}$$ $$MH/m$$ Magnetic permeability (not more)
$$B_{1000}$$ $$T$$ Magnetic induction (not less) in a magnetic field while magnetic field strength is 1000 A/m

Description of the casting and technological parameters

Parameter Units of measurement Description
melting point °C The temperature at which solid crystalline body makes the transition to the liquid state and Vice versa