Steel 40GTL

Designation

Name The value
Designation GOST Cyrillic 40ГТЛ
Designation GOST Latin 40GTL
Transliteration 40GTL
By chemical elements 40MnTi

Description

40GTL 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 Fe Ti
GOST 977-88 0.34-0.42 ≤0.045 ≤0.045 1.2-1.6 0.2-0.5 Rest 0.02-0.1
Fe is the basis.

Mechanical properties

Section, mm sT|s0,2, MPa σU, MPa d y, % KCU, kJ/m2
Annealing in air 680-880 °C + vacation at 620-660 °C, air cooling
100 ≥422 ≥726 ≥10 ≥20 ≥334
Normalization at 870-920 °C + vacation at 620-660 °C, air cooling
100 ≥323 ≥608 ≥14 ≥25 ≥285

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