12H18N10E (EP47)

cold-rolled sheet and strip for a variety of high-strength components and structures, welded by spot welding; austenitic steel

Classification

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

Chemical composition

Standard Fe, % Si, % Mn, % Cr, % Ni, % P, % C, % S, % Se, %
GOST 5632-72 66.675–73.82 < 0.8 < 2 17–19 9–11 < 0.035 < 0.12 < 0.02 0.18–0.35

Information on suppliers

Mechanical properties at 20 °C

Rolling Standard Size, mm Tension Classifiers $$\sigma _{U}$$, $$MPa$$ $$\epsilon_L$$, % Treatment
Sheet GOST 5582-75 740 35 Hardening of 1050-1080 ° C, air
Sheet GOST 4986-79 740 18–35 Hardening of 1050-1080 ° C, air

Analogues

USA
303Se

Standards

Standard Description
GOST 5632-72

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
Se % Selenium

Description of mechanical properties

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