R2AM9K5

Steel has an increased tendency to decarburization and overheating during hardening, good viscosity, good wear resistance, and low grindability.

For cutting tools when machining superior alloyed as well as stainless steels.

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, % Nb, % Mo, % N, % W, %
GOST 19265-73 73.89–77.84 0.2–0.5 0.2–0.5 4.7–5.2 3.8–4.4 < 0.25 < 0.6 1.7–2.1 < 0.03 1–1.1 < 0.03 0.1–0.3 8–9 0.05–0.1 1.5–2

Information on suppliers

Physical characteristics

Temperature, °C $$\rho$$, $$\frac{kg}{m^3}$$
20 8180

Brinell hardness number

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

Analogues

USA Germany
M30 1.3247 (S2-10-1-8)

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
Nb % Niobium
Mo % Molybdenum
N % Nitrogen
W % Tungsten

Description of physical characteristics

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