08H18Tch (DI77)

micro-alloyed with rare-earth element cerium replaces steel 08X18H10T in environments of general corrosion of the food industry. Allows all types of welding — X25N13 filler wire, OZL-11 electrodes

for the manufacture of household items, equipment, food and light industry, and other products operating at temperatures down to -20 degrees.

Classification

Country Section Category
CIS, Russia, Ukraine Corrosion-resistant alloys and steels Corrosion-resistant ordinary steel

Chemical composition

Standard Fe, % Si, % Ca, % Mn, % Cr, % Al, % Ce, % P, % C, % S, %
GOST 5632-72 79.01–83 < 0.8 < 0.05 < 0.8 17–19 < 0.1 < 0.1 < 0.035 < 0.08 < 0.025

Information on suppliers

Mechanical properties at 20 °C

Rolling Standard Size, mm Tension Classifiers $$\sigma _{U}$$, $$MPa$$ $$\epsilon_L$$, % Treatment
Sheet GOST 5582-75 470 35 Tempering 920 ° C, Cooling water

Standards

Description of chemical elements

Element Units of measurement Description
Fe % Iron
Si % Silicon
Ca % Calcium
Mn % Manganese
Cr % Chrome
Al % Aluminium
Ce % Cerium
P % Phosphorus
C % Carbon
S % Sulfur

Description of mechanical properties

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