09H15N8YU (09KH15N8JU1, EI904)

For products operating at atmospheric conditions, acetic acid and other saline environments and resilient elements;

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, %	Al, %	P, %	C, %	S, %
Standard	Fe, %	Si, %	Mn, %	Cr, %	Ni, %	Al, %	P, %	C, %	S, %
GOST 5632-72	71.55–78.3	< 0.8	< 0.8	14–16	7–9.4	0.7–1.3	< 0.035	< 0.09	< 0.025

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Mechanical properties at 20 °C

Rolling	Standard	Size, mm	Tension	Classifiers	$\sigma _{U}$ , $MPa$	$\epsilon_L$ , %	Treatment
Rolling	Standard	Size, mm	Tension	Classifiers	$\sigma _{U}$ , $MPa$	$\epsilon_L$ , %	Treatment
Sheet	GOST 4986-79				1130	8–15	Normalization of 1030-1070 ° C
Sheet	GOST 5582-75				1080	20	Normalization of 1040-1080 ° C
The sheet is thin and hardened.	GOST 4986-79				1270	2–4
Sheet thin is half-worked.	GOST 4986-79				980	3–6

Standards

Standard	Description
Standard	Description
GOST 5632-72

Description of chemical elements

Element	Units of measurement	Description
Element	Units of measurement	Description
Fe	%	Iron
Si	%	Silicon
Mn	%	Manganese
Cr	%	Chrome
Ni	%	Nickel
Al	%	Aluminium
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
$\epsilon_L$	%	Elongation at break (longitudinal)