Steel 54 (М54)

Designation

Name The value
Designation GOST Cyrillic 54
Designation GOST Latin 54
Transliteration 54
By chemical elements 54
Name The value
Designation GOST Cyrillic М54
Designation GOST Latin M54
Transliteration M54
By chemical elements Mo54

Description

54 steel is used: for the manufacture of two-headed butt pads for railway rails type R43 applied to butt joints of the rails of broad-gauge Railways.

Note

М54 — steel open-hearth rail.

Standards

Name Code Standards
Rails. Lining. Lining. Crutches В42 GOST 4133-73, GOST 7173-54, GOST 8193-73, GOST 19127-73, GOST 19128-73

Chemical composition

Standard C S P Mn Si Fe As
GOST 4133-73 0.45-0.62 ≤0.05 ≤0.04 0.5-0.85 0.15-0.35 Rest ≤0.08
Fe is the basis.
According to GOST 4133-73 in steel for linings, melted from high-fluoride Kerch ores, the content of arsenic is allowed up to 0.15%, phosphorus - up to 0.050%.
Lining should be made of profile strips rolled from completely deoxidized calm martin steel.

Mechanical properties

sT|s0,2, MPa σU, MPa d5, % y, % HB, MPa
Two-headed butt pads according to GOST 4133-73. Bulk quenching in oil
≥530 ≥844 ≥10 ≥30 235-388

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
HB Brinell hardness number