03HN28MDT (EP516, 000Х23Н28М3Д3Т)

welded structures operating at temperatures up to 80 ° C in sulfuric acid of different concentrations, except 55% acetic acid and phosphoric acid.

Classification

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

Chemical composition

Standard	Fe, %	Si, %	Mn, %	Cr, %	Ti, %	Cu, %	Ni, %	P, %	C, %	S, %	Mo, %
Standard	Fe, %	Si, %	Mn, %	Cr, %	Ti, %	Cu, %	Ni, %	P, %	C, %	S, %	Mo, %
GOST 5632-72	36.915–46.5	< 0.8	< 0.8	22–25	0.5–0.9	2.5–3.5	26–29	< 0.035	< 0.03	< 0.02	2.5–3

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Mechanical properties at 20 °C

Rolling	Standard	Size, mm	Tension	Classifiers	$\sigma _{U}$ , $MPa$	$\sigma_{P}$ , $MPa$	$\epsilon_L$ , %	Treatment
Rolling	Standard	Size, mm	Tension	Classifiers	$\sigma _{U}$ , $MPa$	$\sigma_{P}$ , $MPa$	$\epsilon_L$ , %	Treatment
The plates	GOST 7350-77				540	215	35	Hardening of 1040-1080 ° C, cooling water

Analogues

Germany
Germany
X3NiCrCuMoTi2730

Standards

Standard	Description
Standard	Description
GOST 5632-72
GOST 5949-75
GOST 7350-77
TU 14-1-756-73

Description of chemical elements

Element	Units of measurement	Description
Element	Units of measurement	Description
Fe	%	Iron
Si	%	Silicon
Mn	%	Manganese
Cr	%	Chrome
Ti	%	Titan
Cu	%	Copper
Ni	%	Nickel
P	%	Phosphorus
C	%	Carbon
S	%	Sulfur
Mo	%	Molybdenum

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)