Steel 47GT

Designation

Name The value
Designation GOST Cyrillic 47ГТ
Designation GOST Latin 47GT
Transliteration 47GT
By chemical elements 47MnTi

Description

Steel 47GT is used: for the manufacture of axles of vehicles.

Note

Structural steel high-quality manganese.

Standards

Name Code Standards
Sheets and strips В23 GOST 103-2006
Bars and shapes В22 GOST 1133-71, GOST 8319.0-75, GOST 2590-2006, GOST 2591-2006, GOST 2879-2006
Bars and shapes В32 GOST 4543-71, GOST 7417-75, GOST 8559-75, GOST 8560-78, GOST 14955-77, TU 14-1-2118-77, TU 14-11-245-88, TU 14-136-367-2008
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 0.44-0.52 ≤0.035 ≤0.035 0.9-1.2 ≤0.3 0.1-0.22 ≤0.3 Rest ≤0.3 ≤0.05 0.06-0.12 ≤0.15 ≤0.2
Fe is the basis.
According to GOST 4543-71 the content in high-quality steel is regulated: P≤0,025%; S≤0.025%; Сu≤0.30%; in high-grade steel: P≤0,025%; S≤0.015%; Сu≤0.25%.

Mechanical properties

Section, mm sT|s0,2, MPa σU, MPa d5, % y, %
Normalization at 820-870 °C, air cooling
≤25 375-390 620-640 12-15 30-40

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