R14F4 (EI915)

For the manufacture of simple tools that do not require large volumes of grinding operations in the processing of materials with high abrasive properties; finishing tools simple form in the processing of alloyed steels and alloys.

Classification

Country	Section	Category
Country	Section	Category
CIS, Russia, Ukraine	Tool steel	High speed tool steel

Chemical composition

Standard	Fe, %	Si, %	Mn, %	Cr, %	Ni, %	V, %	P, %	C, %	S, %	Mo, %	W, %
Standard	Fe, %	Si, %	Mn, %	Cr, %	Ni, %	V, %	P, %	C, %	S, %	Mo, %	W, %
GOST 19265-73	73.14–76.04	< 0.5	< 0.4	4–4.6	< 0.4	3.4–4.1	< 0.03	1.2–1.3	< 0.03	< 1	13–14.5

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Physical characteristics

Temperature, °C	$\rho$ , $\frac{kg}{m^3}$
Temperature, °C	$\rho$ , $\frac{kg}{m^3}$
20	7930

Brinell hardness number

Rolling	Standard	Classifiers	Value, HBW
Rolling	Standard	Classifiers	Value, HBW
	GOST 19265-73	annealing	885

Critical point temperatures

Ac₁, K	Ac₃(Ac_m), K
Ac₁, K	Ac₃(Ac_m), K
825	885

Standards

Standard	Description
Standard	Description
GOST 19265-73

Description of chemical elements

Element	Units of measurement	Description
Element	Units of measurement	Description
Fe	%	Iron
Si	%	Silicon
Mn	%	Manganese
Cr	%	Chrome
Ni	%	Nickel
V	%	Vanadium
P	%	Phosphorus
C	%	Carbon
S	%	Sulfur
Mo	%	Molybdenum
W	%	Tungsten

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 temperatures of critical points

Parameter	Units of measurement	Description
Parameter	Units of measurement	Description
Ac₁	K
Ac₃(Ac_m)	K