8H4V2MFS2 (EP761, 80H4V2MFS2)

Matrices and punches of cold volume deformation dies, thread rolling rollers.

for matrices and stamps puasonov cold volume deformation experiencing during the operation pressure up to 2300 MPa, thread rolling rollers

Country	Section	Category
CIS, Russia, Ukraine	Tool steel	Alloy tool steel

Standard	Fe, %	Si, %	Mn, %	Cr, %	Cu, %	Ni, %	V, %	P, %	C, %	S, %	Mo, %	W, %
GOST 5950-2000	85.94–89.1	1.7–2	0.2–0.5	4.5–5.1	< 0.3	< 0.4	1.1–1.4	< 0.03	0.8–0.9	< 0.03	0.8–1.1	1.8–2.3

Rolling	Standard	Size, mm	Tension	Classifiers	$$\sigma_{P}$$, $$MPa$$	Treatment
Alloy					2700–2800	Hardening and tempering

Rolling	Standard	Classifiers	Value, HBW
Alloy	GOST 5950-73	annealing	255

Ac₁, K	Ac₃(Ac_m), K	Ar₁, K	Mn, K
840	880	785	150

Standard	Description
GOST 5950-2000	GOST

Parameter	Units of measurement	Description
$$\sigma_{P}$$	$$MPa$$	Proportionality limit