Steel 35G

Designation

Name The value
Designation GOST Cyrillic 35Г
Designation GOST Latin 35G
Transliteration 35G
By chemical elements 35Mn

Description

Steel 35G used: for the manufacture of rods, the axes of the earrings, traverse, levers, couplings, shafts, sprockets, cylinders, discs, spindles, couplings, steam turbines, bolts, nuts, screws, and other items, and requirements of low strength.

Note

Structural steel high-quality manganese.

Standards

Name Code Standards
Bars and shapes В32 GOST 4543-71, GOST 14955-77, GOST 1050-2013, TU 14-1-2118-77, TU 14-11-245-88, TU 14-1-1271-75, TU 14-1-5228-93, TU 14-136-367-2008
Bars and shapes В22 GOST 8319.0-75
Processing of metals by pressure. Forgings В03 GOST 8479-70
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 0.32-0.4 ≤0.035 ≤0.035 0.7-1 ≤0.3 0.17-0.37 ≤0.3 Rest ≤0.3 ≤0.05 ≤0.03 ≤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, % KCU, kJ/m2 HB, MPa
Without heat treatment
5 - - - - - 269
Quenching in water from 860 °C to + vacation at 600 °C, air cooling
≤25 340 570 18 45 700 -
Normalization at 850-870 °C + vacation at 600-630 °C. Place tenderloin longitudinal sample - 1/3R
700 310 ≤720 16 40 393 187-217
Annealing or high tempering
5 - - - - - 207

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

Technological properties

Name The value
Склонность к отпускной хрупкости malosana
The temperature of forging Start - 1250 °C, the end - of 800 °C.
Flock-sensitive sensitivity low