HN45YU (EP747)

Details of burners, thermocouple covers, rollers of kilns firing ceram. tiles, oven conveyor grids, accessories for the firing of enamelware for durability. work at t 1250−1300grad. without fur. load. 7700 kg / m3. OZL-25, OZL-35.

rollers slot furnaces, furnace conveyor mesh parts burners, covers thermocouples and others. Details for continuous operation at temperatures of 1250−1300 degrees C

Classification

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

Chemical composition

Standard Fe, % Si, % Mn, % Cr, % Ni, % Ba, % Al, % Ce, % P, % C, % S, %
GOST 5632-72 30.825–38.1 < 1 < 1 15–17 44–46 < 0.1 2.9–3.9 < 0.03 < 0.025 < 0.1 < 0.02

Information on suppliers

Physical characteristics

Temperature, °C $$E\cdot 10^{9}$$, $$MPa$$ $$\alpha\cdot 10^{6}$$, $$K^{-1}$$ $$\varkappa$$, $$\frac{W}{m\cdot K}$$ $$\rho$$, $$\frac{kg}{m^3}$$
20 207 7760
100 201 15.8 10.5
200 192 15.9 12.2
300 187 15.95 13.8
400 178 16.55 15.4
500 171 16.6 17.5
600 156 19 19.2
700 19.7

Mechanical properties at 20 °C

Rolling Standard Size, mm Tension Classifiers $$\sigma _{U}$$, $$MPa$$ $$\sigma_{P}$$, $$MPa$$ $$\epsilon_L$$, % $$\psi$$, % Treatment
Sheet GOST 24982-81 590 30 Hardening of 1060-1100 ° C
Rod 8–10 600 220 15 20 Heating of 1050-1150 ° C

Analogues

Germany USA
BGH 2.4951 SPEC MIL-E-21562 (EN6N)

Standards

Description of chemical elements

Element Units of measurement Description
Fe % Iron
Si % Silicon
Mn % Manganese
Cr % Chrome
Ni % Nickel
Ba % Barium
Al % Aluminium
Ce % Cerium
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)
$$\varkappa$$ $$\frac{W}{m\cdot K}$$ 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
$$\sigma _{U}$$ $$MPa$$ Ultimate tensile strength
$$\sigma_{P}$$ $$MPa$$ Proportionality limit
$$\epsilon_L$$ % Elongation at break (longitudinal)
$$\psi$$ % Reduction in cross section on fracture