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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