M76T

for the manufacture of railway rails type P75, P65, P50. The process of melting — open-hearth steel

Classification

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

Chemical composition

Standard	Fe, %	Si, %	Mn, %	Ti, %	Al, %	P, %	C, %	S, %
Standard	Fe, %	Si, %	Mn, %	Ti, %	Al, %	P, %	C, %	S, %
GOST Р 51685-2000	97.328–98.29	0.25–0.6	0.75–1.15	< 0.007	< 0.02	< 0.035	0.71–0.82	< 0.04

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Mechanical properties at 20 °C

Rolling	Standard	Size, mm	Tension	Classifiers	$\sigma _{U}$ , $MPa$	$\epsilon_L$ , %	Treatment
Rolling	Standard	Size, mm	Tension	Classifiers	$\sigma _{U}$ , $MPa$	$\epsilon_L$ , %	Treatment
Alloy	GOST 24182-80				900	4

Standards

Standard	Description
Standard	Description
GOST Р 51685-2000

Description of chemical elements

Element	Units of measurement	Description
Element	Units of measurement	Description
Fe	%	Iron
Si	%	Silicon
Mn	%	Manganese
Ti	%	Titan
Al	%	Aluminium
P	%	Phosphorus
C	%	Carbon
S	%	Sulfur

Description of mechanical properties

Parameter	Units of measurement	Description
Parameter	Units of measurement	Description
$\sigma _{U}$	$MPa$	Ultimate tensile strength
$\epsilon_L$	%	Elongation at break (longitudinal)