Steel 20KH20N14S2L

Designation

Name The value
Designation GOST Cyrillic 20Х20Н14С2Л
Designation GOST Latin 20X20H14C2L
Transliteration 20H20N14S2L
By chemical elements 20Cr20Н14С2

Description

20KH20N14S2L steel is used: for the manufacture of foundry parts, furnace conveyors, augers for carburizing and other parts operating at high temperatures under load.

Note

Heat-resistant steel austenite-ferritic class. Heat-resistant steel to 1000−1050 °C, resistant to carburizing environment.

Standards

Name Code Standards
Castings with special properties (iron and steel) В83 GOST 2176-77
Steel castings В82 GOST 977-88

Chemical composition

Standard C S P Mn Cr Si Ni Fe Cu
GOST 977-88 ≤0.2 ≤0.025 ≤0.035 ≤1.5 19-22 2-3 12-15 Rest -
GOST 2176-77 ≤0.2 ≤0.025 ≤0.035 ≤1.5 19-22 2-3 12-15 Rest ≤0.3
Fe is the basis.
According to GOST 2176-77, the chemical composition is given for steel grade 20Х20Н14С2Л. Deviations from the norms of chemical composition are allowed: for carbon ± 0.020%; for silicon ± 0.10%; on manganese, copper, chromium and nickel ± 0.10% each; by titanium and tungsten ± 0.050% each; by vanadium, molybdenum and niobium ± 0.020% each.

Mechanical properties

Section, mm sT|s0,2, MPa σU, MPa d5, % y, %
Casting. Normalization at 1100-1150 °C, air cooling
100 ≥245 ≥491 ≥20 ≥25

Description mechanical marks

Name Description
sT|s0,2 Yield strength or limit of proportionality with a tolerance for residual deformation of 0.2%
σU Limit short-term strength
d5 Elongation after rupture
y The relative narrowing

Technological properties

Name The value
Weldability welded without any restrictions