Steel 30ХГФРЛ

Designation

Name The value
Designation GOST Cyrillic 30ХГФРЛ
Designation GOST Latin 30XGFPL
Transliteration 30HGFRL
By chemical elements 30CrMnVB

Description

30ХГФРЛ steel is used: for the manufacture of castings, gears, gears, blocks.

Chemical composition

Standard C S P Mn Cr Si Ni Cu V B
0.28-0.36 ≤0.04 ≤0.04 0.8-1.25 0.5-0.9 0.2-0.6 ≤0.3 ≤0.03 0.05-0.1 ≤0.004
Chemical composition is not verified by NTD. Total verified brands for chemical compounds: 2906 of 3316.

Mechanical properties

Section, mm sT|s0,2, MPa σU, MPa d5, % y, % KCU, kJ/m2 HB, MPa
Quenching with 900-920 °C + Vacation at 650-670 °C, air cooling
100 ≥500 ≥700 ≥12 ≥25 ≥400 196-225

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

Physical characteristics

Temperature G, HPa
0 76
100 73
200 68
300 63
400 59
500 52
600 50
700 47
800 42

A description of the physical symbols

Name Description
Е The normal elasticity modulus
r Density
l Coefficient of thermal conductivity
R UD. the resistivity

Technological properties

Name The value
Склонность к отпускной хрупкости inclined