03H18N12 (000Х18Н12)

Products running in nitric acid at elevated temperature environments

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, %	Ti, %	Ni, %	P, %	C, %	S, %
Standard	Fe, %	Si, %	Mn, %	Cr, %	Ti, %	Ni, %	P, %	C, %	S, %
GOST 5632-72	67.115–71.5	< 0.4	< 0.4	17–19	< 0.005	11.5–13	< 0.03	< 0.03	< 0.02

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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 5582-75				390	40	Hardening of 1050-1080 ° C, cooling water
Sheet thin is half-worked.	GOST 5582-75				740	12
Sheet thin is half-worked.	GOST 4986-79				740	3–5

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
Ti	%	Titan
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
$\epsilon_L$	%	Elongation at break (longitudinal)