7H2SMF

Technological properties. Temperature of critical points: Ac1 = 780, Ac3 (Acm) = 835, Ar3 (Arcm) = 700, Ar1 = 625, Mn = 180.

forged work rolls for cold rolling of metals.

Classification

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

Chemical composition

Standard Fe, % Si, % Mn, % Cr, % Ni, % V, % P, % C, % S, % Mo, %
OST 24.013.20 - 0 93.54–95.8 0.7–1 0.6–1 1.7–2.2 < 0.5 0.15–0.3 < 0.03 0.7–0.8 < 0.03 0.35–0.6

Information on suppliers

Critical point temperatures

Ac1, K Ac3(Acm), K Ar3(Arcm), K Ar1, K Mn, K
780 835 700 625 180

Standards

Standard Description
OST 24.013.20 - 0

Description of chemical elements

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

Description of temperatures of critical points

Parameter Units of measurement Description
Ac1 K
Ac3(Acm) K
Ar3(Arcm) K
Ar1 K
Mn K