08H18Tch (DI77)
micro-alloyed with rare-earth element cerium replaces steel 08X18H10T in environments of general corrosion of the food industry. Allows all types of welding — X25N13 filler wire, OZL-11 electrodes
for the manufacture of household items, equipment, food and light industry, and other products operating at temperatures down to -20 degrees.
Classification
| Country | Section | Category |
|---|---|---|
| CIS, Russia, Ukraine | Corrosion-resistant alloys and steels | Corrosion-resistant ordinary steel |
Chemical composition
| Standard | Fe, % | Si, % | Ca, % | Mn, % | Cr, % | Al, % | Ce, % | P, % | C, % | S, % |
|---|---|---|---|---|---|---|---|---|---|---|
| GOST 5632-72 | 79.01–83 | < 0.8 | < 0.05 | < 0.8 | 17–19 | < 0.1 | < 0.1 | < 0.035 | < 0.08 | < 0.025 |
Information on suppliers
Mechanical properties at 20 °C
| Rolling | Standard | Size, mm | Tension | Classifiers | $$\sigma _{U}$$, $$MPa$$ | $$\epsilon_L$$, % | Treatment |
|---|---|---|---|---|---|---|---|
| Sheet | GOST 5582-75 | 470 | 35 | Tempering 920 ° C, Cooling water |
Standards
| Standard | Description |
|---|---|
| GOST 5632-72 | |
| TU 14-1-4017-85 | |
| TU 14-1-3856-84 |
Description of chemical elements
| Element | Units of measurement | Description |
|---|---|---|
| Fe | % | Iron |
| Si | % | Silicon |
| Ca | % | Calcium |
| Mn | % | Manganese |
| Cr | % | Chrome |
| Al | % | Aluminium |
| Ce | % | Cerium |
| P | % | Phosphorus |
| C | % | Carbon |
| S | % | Sulfur |
Description of mechanical properties
| Parameter | Units of measurement | Description |
|---|---|---|
| $$\sigma _{U}$$ | $$MPa$$ | Ultimate tensile strength |
| $$\epsilon_L$$ | % | Elongation at break (longitudinal) |