10H17N10G4MBL (EI402ML, 10H17N10G4MBLS)

for corrosion-resistant and heat-resistant parts (cast parts of power plants)

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, % Cu, % Ni, % P, % C, % S, % Nb, % Mo, %
GOST 977-88 63.23–69.4 < 0.6 3.5–4.5 16–18 < 0.3 9.5–11 < 0.025 < 0.12 < 0.025 0.7–1 0.9–1.2

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 400 200 15 25 400 Normalization of 1160-1180 ° C, 8 hours, air cooling, and Holidays 750 ° C, 16 hours, air cooled

Standards

Standard Description
GOST 977-88

Description of chemical elements

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

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