R18K5F2

Steel has a reduced tendency to overheat during hardening, a reduced viscosity, increased wear resistance, good grindability.

For roughing and semi-finishing tools when machining high-strength, stainless and heat-resistant steels and alloys.

Classification

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

Chemical composition

Standard Fe, % Si, % Mn, % Co, % Cr, % Cu, % Ni, % V, % P, % C, % S, % Mo, % W, %
GOST 19265-73 65.84–69.54 0.2–0.5 0.2–0.5 4.7–5.2 3.8–4.4 < 0.25 < 0.6 1.8–2.2 < 0.03 0.85–0.95 < 0.03 < 1 17–18.5

Information on suppliers

Physical characteristics

Temperature, °C \rho, \frac{kg}{m^3}
20 9840

Brinell hardness number

Rolling Standard Classifiers Value, HBW
Hire GOST 19265-73 annealing 285

Critical point temperatures

Ac1, K Ar1, K
830 750

Analogues

Germany USA European Union
1.3255 T12004 HS18-1-1-5

Standards

Standard Description
GOST 19265-73

Description of chemical elements

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

Description of physical characteristics

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
Ac1 K
Ar1 K