20H13N4G9 (EI100, 2H13N4G9)

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

Classification

Country	Section	Category
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, %
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

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Mechanical properties at 20 °C

Rolling	Standard	Size, mm	Tension	Classifiers	$\sigma _{U}$ , $MPa$	$\sigma_{P}$ , $MPa$	$\epsilon_L$ , %	$\psi$ , %	Treatment
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
Germany	USA
Almenit 4310	X10CrNi18-8

Standards

Standard	Description
Standard	Description
GOST 5632-72
GOST 5949-75

Description of chemical elements

Element	Units of measurement	Description
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
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