Steel 18ХГН2МФБ

Designation

Name The value
Designation GOST Cyrillic 18ХГН2МФБ
Designation GOST Latin 18XGH2MFB
Transliteration 18HGN2MFB
By chemical elements 18CrMnН2MoVNb

Description

18ХГН2МФБ steel is used: for manufacturing method of hot working thelongrun of parts of vehicles and mining machines.

Note

Structural steel homomorphically.

Standards

Name Code Standards
Bars and shapes В22 GOST 2590-2006
Bars and shapes В32 TU 14-1-3678-84

Chemical composition

Standard C S P Mn Cr Si Ni Fe Cu N V Mo Nb
TU 14-1-3678-84 0.15-0.22 ≤0.035 ≤0.035 0.5-0.8 0.4-0.6 0.17-0.37 1.6-2 Rest ≤0.25 ≤0.016 0.1-0.25 0.4-0.6 0.05-0.1
Fe is the basis.

Mechanical properties

Section, mm sT|s0,2, MPa σU, MPa d5, % y, % KCU, kJ/m2
Graded g/to hire on the other 14-1-3678-84. The annealing at 920 °C (extract 3 hours), slow cooling with the furnace to 650 °C (12h exposure) + Quenching in oil from 860 °C to + Vacation at 200 °C (extract 3 hours), air cooling
≥1370 ≥1570 ≥12 ≥50 ≥1170

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
KCU Toughness