M54 (Steel 54)

for the manufacture of two-headed space-hardened oil pads, used for docking the broad gauge railways rail connections

Classification

Country	Section	Category
Country	Section	Category
CIS, Russia, Ukraine	Steels for special purposes	Steel for rail transport

Chemical composition

Standard	Fe, %	Si, %	Mn, %	As, %	P, %	C, %	S, %
Standard	Fe, %	Si, %	Mn, %	As, %	P, %	C, %	S, %
GOST 4133 - 73	98.01–98.9	0.15–0.35	0.5–0.85	< 0.08	< 0.04	0.45–0.62	< 0.05

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Mechanical properties at 20 °C

Rolling	Standard	Size, mm	Tension	Classifiers	$\sigma _{U}$ , $MPa$	$\sigma_{Y}$ , $MPa$	$\psi$ , %	d5, %	Treatment
Rolling	Standard	Size, mm	Tension	Classifiers	$\sigma _{U}$ , $MPa$	$\sigma_{Y}$ , $MPa$	$\psi$ , %	d5, %	Treatment
Alloy	GOST 4133 - 73				844	530	30	10	hardening

Brinell hardness number

Rolling	Standard	Classifiers	Value, HBW
Rolling	Standard	Classifiers	Value, HBW
Alloy	GOST 4060-78	Hardening	235–388

Standards

Standard	Description
Standard	Description
GOST 4133 - 73

Description of chemical elements

Element	Units of measurement	Description
Element	Units of measurement	Description
Fe	%	Iron
Si	%	Silicon
Mn	%	Manganese
As	%	Arsenic
P	%	Phosphorus
C	%	Carbon
S	%	Sulfur

Description of mechanical properties

Parameter	Units of measurement	Description
Parameter	Units of measurement	Description
d5	%	Elongation at break
$\sigma_{Y}$	$MPa$	Yield strength
$\sigma _{U}$	$MPa$	Ultimate tensile strength
$\psi$	%	Reduction in cross section on fracture