76F

Production of rails RP50 types, RP65 and RP75 for industrial rail transport of wide gauge tracks

Classification

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

Chemical composition

Standard	Fe, %	Si, %	Mn, %	V, %	P, %	C, %	S, %
Standard	Fe, %	Si, %	Mn, %	V, %	P, %	C, %	S, %
GOST Р 51045 - 97	97.14–98.33	0.18–0.55	0.75–1.25	0.03–0.1	< 0.045	0.71–0.87	< 0.045

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Physical characteristics

Temperature, °C	$\rho$ , $\frac{kg}{m^3}$
Temperature, °C	$\rho$ , $\frac{kg}{m^3}$
20	7850

Mechanical properties at 20 °C

Rolling	Standard	Size, mm	Tension	Classifiers	$\sigma _{U}$ , $MPa$	$KCU\cdot 10^{3}$ , $\frac{J}{m^2}$	d5, %	Treatment
Rolling	Standard	Size, mm	Tension	Classifiers	$\sigma _{U}$ , $MPa$	$KCU\cdot 10^{3}$ , $\frac{J}{m^2}$	d5, %	Treatment
Steel	GOST 51045-97				780–1080	150	3–5

Brinell hardness number

Rolling	Standard	Classifiers	Value, HBW
Rolling	Standard	Classifiers	Value, HBW
Steel	GOST 51045-97		302–420

Analogues

Germany
Germany
StSch 1200

Standards

Standard	Description
Standard	Description
GOST Р 51045 - 97

Description of chemical elements

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

Description of physical characteristics

Parameter	Units of measurement	Description
Parameter	Units of measurement	Description
$\rho$	$\frac{kg}{m^3}$	The density of the material

Description of mechanical properties

Parameter	Units of measurement	Description
Parameter	Units of measurement	Description
d5	%	Elongation at break
$\sigma _{U}$	$MPa$	Ultimate tensile strength
$KCU\cdot 10^{3}$	$\frac{J}{m^2}$	Impact toughness