20H13N4G9 (EI100, 2H13N4G9)

for various parts and structures to be welded by spot welding; austenite steel — martensitic class

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, %
GOST 5632-72 70.125–76.15 < 0.8 8–10 12–14 3.7–4.7 < 0.05 0.15–0.3 < 0.025

Information on suppliers

Mechanical properties at 20 °C

Rolling Standard Size, mm Tension Classifiers $$\sigma _{U}$$, $$MPa$$ $$\sigma_{P}$$, $$MPa$$ $$\epsilon_L$$, % $$\psi$$, % Treatment
Rod GOST 5949-75 640 245 35 55 hardening
Sheet GOST 4986-79 590 18–35 Hardening of 1050-1080 ° C, air cooling
The sheet is thin and hardened. GOST 5582-75 980 15
Sheet GOST 5582-75 640 40 Hardening of 1050-1080 ° C, cooling water

Analogues

Germany USA
Almenit 4310 X10CrNi18-8

Standards

Standard Description
GOST 5632-72
GOST 5949-75

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

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