Steel 20X25H19S2L
20X25N19S2L steel
Steel 20X25H19S2L: a classifier of steels and alloys. Below is systematized information on the purpose, chemical composition, types of supply, substitutes, critical point temperatures, physical, mechanical, technological and foundry properties for the grade — Steel 20X25N19S2L.
General information on steel 20X25H19S2L
| Delivery type |
| GOST 2176−77 castings. |
| Application |
| The parts working at high temperatures in a heavily loaded condition: retorts for annealing, parts of furnaces and boxes for carburizing. Steel is corrosion-resistant, heat-resistant up to 1100 ° C, heat-resistant, austenitic class. |
Chemical composition of steel 20Х25Н19С2Л
| Chemical element | % |
| Silicon (Si) | 2.0−3.0 |
| Manganese (Mn) | 0.50−1.50 |
| Copper (Cu), not more than | 0.30 |
| Nickel (Ni) | 18.0−20.0 |
| Sulfur (S), not more than | 0.030 |
| Carbon ©, not more than | 0.20 |
| Phosphorus (P), not more than | 0.035 |
| Chromium (Cr) | 23.0−27.0 |
Mechanical properties of steel 20Х25Н19С2Л
Mechanical properties in sections up to 100 mm
| Heat treatment, delivery condition | σ0.2, MPa | σB, MPa | δ5, % | ψ, % |
| Tempering 1100 °C, water, oil or air. | 250 | 500 | 25 | 28 |
| Normalizing 1100−1150 °C, air. | 245 | 490 | 20 | 25 |
