Steel 20GNMJUL

Designation

Name The value
Designation GOST Cyrillic 20ГНМЮЛ
Designation GOST Latin 20GHMJuL
Transliteration 20GNMYuL
By chemical elements 20MnНMoAl

Description

20GNMJUL steel is used: for the manufacture of castings to various industrial purpose.

Standards

Name Code Standards
Steel castings В82 GOST 977-88

Chemical composition

Standard C S P Mn Si Ni Fe Al Mo
GOST 977-88 0.16-0.23 ≤0.035 ≤0.035 1.1-1.6 0.2-0.5 0.3-0.5 Rest ≥0.01 0.15-0.3
Fe is the basis.

Mechanical properties

Section, mm sT|s0,2, MPa σU, MPa d y, % KCU, kJ/m2
Normalization at 880-920 °C + vacation at 600-700 °C, air cooling
100 ≥343 ≥500 ≥18 ≥30 ≥491

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
d Elongation after rupture
y The relative narrowing
KCU Toughness