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

s_T\|s_0,2, MPa	σ_U, 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
s_T\|s_0,2	Yield strength or limit of proportionality with a tolerance for residual deformation of 0.2%
σ_U	Limit short-term strength
d₅	Elongation after rupture
y	The relative narrowing
HB	Brinell hardness number