15H13L (10H13L)

for parts with high ductility undergoing impact loads (the turbine blades, the valves of hydraulic presses, fittings crackers etc.) and the product subjected to the action of relatively weak corrosive media (precipitation, wet steam, aqueous solutions of organic acid salts at room temperature); martensitic steel — ferritic class

Classification

Country Section Category
CIS, Russia, Ukraine Steels and alloys for castings Steel for casting with special properties

Chemical composition

Standard Fe, % Si, % Mn, % Cr, % P, % C, % S, %
GOST 977-88 84.195–87.5 0.2–0.8 0.3–0.8 12–14 < 0.03 < 0.15 < 0.025

Information on suppliers

Mechanical properties at 20 °C

Rolling Standard Size, mm Tension Classifiers $$\sigma _{U}$$, $$MPa$$ $$\sigma_{P}$$, $$MPa$$ $$\epsilon_L$$, % $$\psi$$, % $$KCU\cdot 10^{3}$$, $$\frac{J}{m^2}$$ Treatment
Castings GOST 977-88 540 392 16 45 491 Annealing 950 ° C, hardening 1050 ° C, Cooling Accommodation 750 ° C, air cooling

Heat Treatment Modes

Treatment
Annealing 940 - 960 ° C, Hardening 1040 - 1060 ° C, cooling in oil or in air; Vacation 740 - 760 ° C, air cooling;

Analogues

USA Germany
S41001 1.4006 (X12Cr13)

Standards

Standard Description
GOST 977-88

Description of chemical elements

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

Description of mechanical properties

Parameter Units of measurement Description
$$\sigma _{U}$$ $$MPa$$ Ultimate tensile strength
$$\sigma_{P}$$ $$MPa$$ Proportionality limit
$$\epsilon_L$$ % Elongation at break (longitudinal)
$$\psi$$ % Reduction in cross section on fracture
$$KCU\cdot 10^{3}$$ $$\frac{J}{m^2}$$ Impact toughness