12H12M1BFR-W (EP450-Sh, 12H12M1BFR, EP450)

For the production of high-quality thin-walled tubes for nuclear power plants

Classification

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

Chemical composition

Standard	Fe, %	Si, %	B, %	Mn, %	Cr, %	Ni, %	V, %	P, %	C, %	S, %	Nb, %	Mo, %
Standard	Fe, %	Si, %	B, %	Mn, %	Cr, %	Ni, %	V, %	P, %	C, %	S, %	Nb, %	Mo, %
TU 14-3-1511 - 87	81.65–86.35	< 0.6	0.004	< 0.6	12–14	< 0.3	0.1–0.3	< 0.03	0.1–0.15	< 0.02	0.25–0.55	1.2–1.8

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Mechanical properties at 20 °C

Rolling	Standard	Size, mm	Tension	Classifiers	$\sigma _{U}$ , $MPa$	$\sigma_{Y}$ , $MPa$	d5, %	Treatment
Rolling	Standard	Size, mm	Tension	Classifiers	$\sigma _{U}$ , $MPa$	$\sigma_{Y}$ , $MPa$	d5, %	Treatment
Pipe billet	TU 14-1-3820-84				640	490	12	Hardening and tempering

Standards

Standard	Description
Standard	Description
TU 14-3-1511 - 87

Description of chemical elements

Element	Units of measurement	Description
Element	Units of measurement	Description
Fe	%	Iron
Si	%	Silicon
B	%	Bor
Mn	%	Manganese
Cr	%	Chrome
Ni	%	Nickel
V	%	Vanadium
P	%	Phosphorus
C	%	Carbon
S	%	Sulfur
Nb	%	Niobium
Mo	%	Molybdenum

Description of mechanical properties

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