3H2MNF

Temperature of critical points of steel 3H2MNF: Ac1 = 780, Ac3 (Acm) = 830

large hammer dies; Stamps containers; Ring-bands; Large inner sleeve

Classification

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

Chemical composition

Standard Fe, % Si, % Mn, % Cr, % Cu, % Ni, % V, % P, % C, % S, % Mo, %
GOST 5950-2000 93.21–95.48 0.1–0.4 0.3–0.6 2–2.5 < 0.3 1.2–1.6 0.25–0.4 < 0.03 0.27–0.33 < 0.03 0.4–0.6

Information on suppliers

Mechanical properties at 20 °C

Rolling Standard Size, mm Tension Classifiers σU, MPa σP, MPa ϵL, % ψ, % KCU103, Jm2 Treatment
Workpiece 15 1450 1300 11 45 550 Tempering Cooling oil

Critical point temperatures

Ac1, K Ac3(Acm), K
780 830

Standards

Standard Description
GOST 5950-2000 GOST

Description of chemical elements

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

Description of mechanical properties

Parameter Units of measurement Description
σU MPa Ultimate tensile strength
σP MPa Proportionality limit
ϵL % Elongation at break (longitudinal)
ψ % Reduction in cross section on fracture
KCU103 Jm2 Impact toughness

Description of temperatures of critical points

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