R12

For all types of cutting tools in the processing of carbon alloyed structural steels.

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

Standard	Fe, %	Si, %	Mn, %	Co, %	Cr, %	Ni, %	V, %	P, %	C, %	S, %	Mo, %	W, %
GOST 19265-73	77.64–82.6	< 0.5	< 0.5	< 0.5	3.1–3.6	< 0.4	1.5–1.9	< 0.03	0.8–0.9	< 0.03	< 1	12–13

Temperature, °C	$$\rho$$, $$\frac{kg}{m^3}$$
20	9190

Rolling	Standard	Classifiers	Value, HBW
Alloy	GOST 19265-73	annealing	255

Ac₁, K	Ac₃(Ac_m), K	Ar₁, K
820	850	720

CIS, Russia, Ukraine
ЭП201

Standard	Description
GOST 19265-73

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