Steel 15KHGN2TA (15ХГНТА)

Designation

Name The value
Designation GOST Cyrillic 15ХГН2ТА
Designation GOST Latin 15XGH2TA
Transliteration 15HGN2TA
By chemical elements 15CrMnН2Ti
Name The value
Designation GOST Cyrillic 15ХГНТА
Designation GOST Latin 15XGHTA
Transliteration 15HGNTA
By chemical elements 15CrMnНTi

Description

15KHGN2TA steel is used: for manufacturing of gear rims, connecting rods, gear wheels and similar highly loaded parts.

Note

Steel high-quality structural homomorphically with titanium.

Standards

Name Code Standards
Bars and shapes В32 GOST 4543-71, GOST 14955-77, TU 3-190-83, TU 14-1-2118-77, TU 14-132-180-89, TU 14-11-245-88, TU 14-136-367-2008
Bars and shapes В22 GOST 8319.0-75
Blanks. Of the workpiece. Slabs В31 OST 3-1686-90, TU 14-1-4944-90

Chemical composition

Standard C S P Mn Cr Si Ni Fe Cu V Ti Mo W
GOST 4543-71 0.13-0.18 ≤0.025 ≤0.025 0.7-1 0.7-1 0.17-0.37 1.4-1.8 Rest ≤0.3 ≤0.05 0.03-0.09 ≤0.15 ≤0.2
Fe is the basis.
GOST 4543-71 regulates the content of high-quality steel: P≤0,025%; S≤0.015%; Сu≤0.25%.

Mechanical properties

Section, mm sT|s0,2, MPa σU, MPa d5, % y, % KCU, kJ/m2
Rolled steel. Quenching in oil with 960-840 °C + Vacation at 180 °C, air cooling
15 ≥735 ≥930 ≥11 ≥55 ≥961

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

Technological properties

Name The value
Flock-sensitive sensitivity not sensitive.