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Steel 08ГНЛ

Designation

Name The value
Designation GOST Cyrillic 08ГНЛ
Designation GOST Latin 08GHL
Transliteration 08GNL
The chemical elements 08MnН

Description

08ГНЛ steel is used: for the manufacture of castings parts produced by the enterprises of heavy and transport engineering and is intended for operation in conditions of low temperatures and high loading rates.

Note

Economically alloyed low-carbon structural steel.

Standards

Name Code Standards
Castings, steel В82 TU 24.11.01.092-84

Chemical composition

Standard C S P Mn Cr Si Ni Fe Cu
TU 24.11.01.092-84 ≤0.12 ≤0.03 ≤0.03 0.8-1.4 ≤0.3 0.2-0.4 0.8-1.2 96.52-98.2 The rest
Fe is the basis.
According to TU 24.11.01.092-84 it is allowed to deoxidize and modify steel with niobium, titanium, calcium, barium, magnesium, rare earth metals or other additives to obtain mechanical properties exceeding the minimum level of their values. It is allowed to alloy boron steel in an amount of 0.002-0.005% by calculation to obtain mechanical properties that exceed the minimum level of their values. The residual content of molybdenum in the amount of 0,01-0,12% is allowed. The permissible deviations in the chemical composition are in accordance with GOST 977.

Mechanical characteristics

Section, mm sT|s0,2, MPa σB, MPa d5, % y, % Brinell hardness number, MPa
The castings as delivered on the other 24.11.01.092-84. Quenching with 900-920 °C or Quenching from 900-920 °C + Vacation at 600-650 °C, air cooling
≥270 ≥380 ≥16 ≥50 ≥120
The castings as delivered on the other 24.11.01.092-84. Normalization at 900-920 °C or Normalizing at 900-920 °C + Vacation at 600-650 °C, air cooling
≥250 ≥350 ≥24 ≥45 ≥100

Description mechanical marks

Name Description
Section Section
sT|s0,2 Yield strength or limit of proportionality with a tolerance for residual deformation of 0.2%
σB Limit short-term strength
d5 Elongation after rupture
y The relative narrowing

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