Steel 14ХГНМДАФБРТ (14ХГНМД)

Designation

Name The value
Designation GOST Cyrillic 14ХГНМДАФБРТ
Designation GOST Latin 14XGHMDAFBPT
Transliteration 14HGNMDAFBRT
By chemical elements 14CrMnНMoCuNVNbBTi
Name The value
Designation GOST Cyrillic 14ХГНМД
Designation GOST Latin 14XGHMD
Transliteration 14HGNMD
By chemical elements 14CrMnНMoCu

Description

14ХГНМДАФБРТ steel is used: for the manufacture of various forged and shtampovannyh loaded components and structures (truck bodies, weld assemblies of tower, jib self-propelled and self-propelled cranes, mast, climbing cranes, crane hoisting, cranes).

Note

Low-alloy steel.

Standards

Name Code Standards
Sheets and strips В33 TU 14-1-2057-77

Chemical composition

Standard C S P Mn Cr Si Ni Fe Cu N Al V B Ti Mo Nb
TU 14-1-2057-77 0.12-0.17 ≤0.02 ≤0.03 1.1-1.4 0.9-1.3 0.17-0.37 0.9-1.3 Rest 0.6-0.9 0.02-0.03 0.05-0.1 0.1-0.2 0.04-0.06 0.03-0.08 0.2-0.3 0.03-0.06
Fe is the basis.

Mechanical properties

Section, mm sT|s0,2, MPa σU, MPa d5, %
Sheet metal in delivery condition on the other 14-1-2057-77
≥785 ≥850 ≥12

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

Technological properties

Name The value
Weldability For welding recommended welding electrodes Э70 API-2. The deposition rate of 9 g/Ah.