Steel 35ХНЛ

Designation

Name The value
Designation GOST Cyrillic 35ХНЛ
Designation GOST Latin 35XHL
Transliteration 35HNL
By chemical elements 35CrН

Description

35ХНЛ steel is used: for the manufacture of castings, gears, joints, bushings, gear wheels of excavators, gear rims, the horizontal rolls rollable.

Standards

Name Code Standards
Castings with special properties (iron and steel) В83 KSt 81-033:2009
Steel castings В82 TU 24-1-12-181-75

Chemical composition

Standard C S P Mn Cr Si Ni Fe Cu
0.3-0.38 ≤0.04 ≤0.04 0.4-0.9 0.5-0.8 0.2-0.42 0.7-0.9 Rest ≤0.3
Fe is the basis.

Mechanical properties

Section, mm sT|s0,2, MPa σU, MPa d5, % y, % KCU, kJ/m2 HB, MPa
Quenching in water from 860-880 °C + Vacation at 580-630 °C, cooling in water
100 ≥490 ≥686 ≥12 ≥25 ≥390 207-269
Normalizing at 920 °C, air cooling
- ≥450 ≥680 ≥19 ≥29 ≥550 -

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
Weldability Steel of limited weldability. Method of welding: SMAW heated to 250-270 °C. it is Recommended that subsequent vacation at 580-600 °C. the Electrodes Э50А.
Склонность к отпускной хрупкости Inclined.