7HG2VM (EP472)

Temperature of critical points: Ac1 = 765, Ac3 (Acm) = 825, Ar1 = 310, Mn = 160. Hardness after annealing: HB 10 -1 = 255 MPa .

for the manufacture of cold volume deforming dies used in the manufacture of products from non-ferrous alloys and low-strength structural steels; punches, blanking dies of a complex configuration matrices

Classification

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

Chemical composition

Standard Fe, % Si, % Mn, % Cr, % V, % P, % C, % S, % Mo, % W, %
GOST 5950-73 92.73–94.72 0.2–0.4 1.8–2.3 1.5–1.8 0.1–0.25 < 0.03 0.68–0.76 < 0.03 0.5–0.8 0.5–0.9

Information on suppliers

Critical point temperatures

Ac1, K Ac3(Acm), K Ar1, K Mn, K
765 825 310 160

Standards

Standard Description
GOST 5950-73

Description of chemical elements

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

Description of temperatures of critical points

Parameter Units of measurement Description
Ac1 K
Ac3(Acm) K
Ar1 K
Mn K