Steel 16ХГТА (ЭИ274)

Designation

Name The value
Designation GOST Cyrillic 16ХГТА
Designation GOST Latin 16XGTA
Transliteration 16HGTA
By chemical elements 16CrMnTi
Name The value
Designation GOST Cyrillic ЭИ274
Designation GOST Latin EI274
Transliteration EhI274
By chemical elements -

Description

16ХГТА steel is used: for the manufacture of Cam washers, rollers, and actuators in the aircraft industry.

Standards

Name Code Standards
Blanks. Of the workpiece. Slabs В31 TU 1-92-156-90
Bars and shapes В32 TU 14-1-950-74

Chemical composition

Standard C S P Mn Cr Si Ni Fe Cu V Ti Mo W
TU 14-1-950-74 0.13-0.18 ≤0.025 ≤0.025 1-1.3 1.5-1.8 0.17-0.37 ≤0.5 Rest ≤0.25 ≤0.05 0.02-0.06 ≤0.15 ≤0.2
Fe is the basis.

Mechanical properties

Section, mm sT|s0,2, MPa σU, MPa d5, % y, % KCU, kJ/m2 HB, MPa
Bars and strip hot rolled and forged. Quenching in oil with 800-860 °C + vacation at 160-180 °C, air cooling
≥785 ≥1030 ≥12 ≥55 ≥1080 311-363

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
HB Brinell hardness number