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
Standard | Description |
---|---|
GOST 5632-72 | |
TU 14-1-941-74 | |
TU 14-1-2075-87 | |
TU 14-1-2396-78 | |
TU 14-1-4082-86 | |
GOST 24982-81 | |
GOST 5632-14 | |
TU 14-3-1371-86 |
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 |