07H18N10G2S2M2L

for producing castings for various industrial applications. Steel austenitic-ferritic class.

Classification

Country Section Category
CIS, Russia, Ukraine Steels and alloys for castings Ordinary steel for castings

Chemical composition

Standard Fe, % Si, % Mn, % Cr, % Ni, % P, % C, % S, % Mo, %
GOST 977-88 62.35–72 < 2 < 2 17–19 9–12 < 0.04 < 0.07 < 0.04 2–2.5

Information on suppliers

Mechanical properties at 20 °C

Rolling Standard Size, mm Tension Classifiers $$\sigma _{U}$$, $$MPa$$ $$\sigma_{Y}$$, $$MPa$$ $$\psi$$, % $$KCU\cdot 10^{3}$$, $$\frac{J}{m^2}$$ d5, % Treatment
Castings GOST 977-88 432 177 35 441 30 Hardening 1050 - 1100 ° C, cooling in water or in air

Heat Treatment Modes

Treatment
Hardening 1050 - 1100 ° C, cooling in water or in air

Analogues

Germany USA
F 1.4408 CF8M

Standards

Standard Description
GOST 977-88

Description of chemical elements

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

Description of mechanical properties

Parameter Units of measurement Description
d5 % Elongation at break
$$\sigma_{Y}$$ $$MPa$$ Yield strength
$$\sigma _{U}$$ $$MPa$$ Ultimate tensile strength
$$\psi$$ % Reduction in cross section on fracture
$$KCU\cdot 10^{3}$$ $$\frac{J}{m^2}$$ Impact toughness