Steel 40KHFL

Designation

Name The value
Designation GOST Cyrillic 40ХФЛ
Designation GOST Latin 40XFL
Transliteration 40HFL
By chemical elements 40CrV

Description

40KHFL 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 Cr Si Fe V
GOST 977-88 0.35-0.45 ≤0.04 ≤0.04 0.5-0.8 1-1.4 0.2-0.5 Rest 0.15-0.3
Fe is the basis.

Mechanical properties

Section, mm sT|s0,2, MPa σU, MPa d y, % KCU, kJ/m2
Annealing in air with 870-890 °C + vacation at 500-520 °C, air cooling
100 ≥883 ≥1177 ≥4 ≥8 ≥196
Normalization at 870-890 °C + vacation at 500-520 °C, air cooling
100 ≥579 ≥770 ≥10 ≥18 ≥245

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