01H18N40M5GBR-ID (EP753R-ID)

The alloy is characterized by corrosion resistance and withstands tests by regulated methods.

Due to its properties, it is used in chemically aggressive environments in the form of forged pipes for special purposes in petrochemistry and in NPP equipment.

Classification

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

Chemical composition

Standard	Fe, %	Si, %	Mn, %	Ni, %	V, %	Nb, %	Mo, %	N, %
Standard	Fe, %	Si, %	Mn, %	Ni, %	V, %	Nb, %	Mo, %	N, %
TU 14-1-2097-77	51.085–55.2	< 0.1	1–2	39–41	0.05–0.2	0.25–0.6	4.5–5	< 0.015

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Mechanical properties at 20 °C

Rolling	Standard	Size, mm	Tension	Classifiers	$\sigma _{U}$ , $MPa$	$\sigma_{P}$ , $MPa$	d5, %	Treatment
Rolling	Standard	Size, mm	Tension	Classifiers	$\sigma _{U}$ , $MPa$	$\sigma_{P}$ , $MPa$	d5, %	Treatment
Alloy					< 539	< 196	45	Austenization with air cooling in the temperature range 1050-1080 ° C.

Standards

Standard	Description
Standard	Description
TU 14-1-2097-77	TU 14-1-2097-77

Description of chemical elements

Element	Units of measurement	Description
Element	Units of measurement	Description
Fe	%	Iron
Si	%	Silicon
Mn	%	Manganese
Ni	%	Nickel
V	%	Vanadium
Nb	%	Niobium
Mo	%	Molybdenum
N	%	Nitrogen

Description of mechanical properties

Parameter	Units of measurement	Description
Parameter	Units of measurement	Description
d5	%	Elongation at break
$\sigma _{U}$	$MPa$	Ultimate tensile strength
$\sigma_{P}$	$MPa$	Proportionality limit