Steel 12KHGFL

Designation

Name The value
Designation GOST Cyrillic 12ХГФЛ
Designation GOST Latin 12XGFL
Transliteration 12HGFL
By chemical elements 12CrMnV

Description

12KHGFL steel is used: for the manufacture of critical cast parts of tractors, welded-cast load-bearing structures.

Note

Cold-resistant steel.

Standards

Name Code Standards
Castings with special properties (iron and steel) В83 GOST 21357-87

Chemical composition

Standard C S P Mn Cr Si Ni Fe Cu V
GOST 21357-87 0.1-0.16 ≤0.02 ≤0.02 0.9-1.4 0.2-0.6 0.3-0.5 ≤0.3 Rest ≤0.3 0.05-0.1
Fe is the basis.

Mechanical properties

sT|s0,2, MPa σU, MPa d y, % KCU, kJ/m2
Casting. Normalizing at 930-950 °C, air cooling (KCU-60)
≥340 ≥470 ≥20 ≥35 ≥3

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