L-NiCr20-3

for making details of pumps, pumping alkali; Working under high temperature conditions for vessels that store caustic alkali:

Classification

Country Section Category
CIS, Russia, Ukraine Cast iron Nickel cast iron

Chemical composition

Standard Fe, % Si, % Mn, % Cr, % Cu, % Ni, % C, %
GOST 7769-82 66.7–78 1–2.8 0.5–1.5 2.5–3.5 < 0.5 18–22 < 3

Information on suppliers

Physical characteristics

Temperature, °C $$E\cdot 10^{9}$$, $$MPa$$
20 1.05

Mechanical properties at 20 °C

Rolling Standard Size, mm Tension Classifiers $$\sigma _{U}$$, $$MPa$$ $$\epsilon_L$$, % Treatment
Casting GOST 7769-82 190–240 1.5

Brinell hardness number

Rolling Standard Classifiers Value, HBW
GOST 7769-82 160–250

Standards

Standard Description
GOST 7769-82

Description of chemical elements

Element Units of measurement Description
Fe % Iron
Si % Silicon
Mn % Manganese
Cr % Chrome
Cu % Copper
Ni % Nickel
C % Carbon

Description of physical characteristics

Parameter Units of measurement Description
$$E\cdot 10^{9}$$ $$MPa$$ Elastic modulus

Description of mechanical properties

Parameter Units of measurement Description
$$\sigma _{U}$$ $$MPa$$ Ultimate tensile strength
$$\epsilon_L$$ % Elongation at break (longitudinal)