9HF (90HF)

For frame, band, circular planers, cold work stamps, knives, edging

dies, punches, center pins.

for the frame, tape, circular saws planer; stamps for cold work; knives for cold metal cutting, cutting dies and puasonov in cold cutting burr; center punches

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, %
GOST 5950-2000 96.34–98.25 0.1–0.4 0.3–0.6 0.4–0.7 < 0.3 < 0.4 0.15–0.3 < 0.03 0.8–0.9 < 0.03

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Mechanical properties at 20 °C

Rolling Standard Size, mm Tension Classifiers $$\sigma _{U}$$, $$MPa$$ Treatment
Tape 0.1–4 annealing 930

Brinell hardness number

Rolling Standard Classifiers Value, HBW
Alloy GOST 5950-73 heat-treated 241

Critical point temperatures

Ac1, K Mn, K
700 215
9HF / Aloro

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

Description of mechanical properties

Parameter Units of measurement Description
$$\sigma _{U}$$ $$MPa$$ Ultimate tensile strength

Description of temperatures of critical points

Parameter Units of measurement Description
Ac1 K
Mn K