Steel 12Г2СМФАЮ

Designation

Name The value
Designation GOST Cyrillic 12Г2СМФАЮ
Designation GOST Latin 12G2CMFAJu
Transliteration 12G2SMFAYu
By chemical elements 12Mn2СMoVNAl

Description

Steel 12Г2СМФАЮ used: to manufacture the welded metal structures; superstructures of railway bridges.

Standards

Name Code Standards
Sheets and strips В23 TU 14-1-1308-75

Chemical composition

Standard C S P Mn Cr Si Ni Fe Cu N Al V Mo
TU 14-1-1308-75 0.09-0.15 ≤0.035 ≤0.035 1.3-1.7 ≤0.3 0.4-0.7 ≤0.3 Rest ≤0.3 0.015-0.03 0.05-0.1 0.07-0.15 0.15-0.25
Fe is the basis.

Mechanical properties

Section, mm sT|s0,2, MPa σU, MPa d5, % KCU, kJ/m2
Rolled sheet. Hardening + vacation
10-36 685 590 14 340

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
KCU Toughness