EI732 (08H20N14S2)

Classification

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

Chemical composition

Standard	Fe, %	Si, %	Mn, %	Cr, %	Ti, %	Cu, %	Ni, %	V, %	P, %	C, %	S, %	Mo, %	W, %
GOST 5632-14	57.16–67	2–3	< 1.5	19–22	< 0.2	< 0.3	12–15	< 0.2	< 0.035	< 0.08	< 0.025	< 0.3	< 0.2

Note: Electroslag remelting (-Sh): S <0.015

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Properties

Property
Performance characteristics Scale formation temperature: 1000 - 1050 ° C
According to GOST 5949 Note. The norms of mechanical properties apply to samples taken from steel with a diameter or thickness of up to 60 mm.
For steel with a diameter or thickness of st. 60 to 100mm, a reduction in elongation of 1abs.% Is allowed,
relative narrowing by 5abs.% and impact strength by 4.9 J / cm2 at a rate of less than 78.4 J / cm2 and by 9.8 J / cm2 at a rate of 78.4 J / cm2 or more.
For steel with a diameter or thickness of st. 100 to 150mm, a reduction in elongation of 3abs.% Is allowed,
a relative narrowing of 10 abs.% and impact strength of 9.8 J / cm2 at a rate of less than 78.4 J / cm2 and at 14.7 J / cm2 at a rate of 78.4 J / cm2 or more.
Quenching 1000 - 1150 ° C, cooling in air or in water
According to GOST 5949 Yield strength:> 245 MPa Tensile strength:> 540 MPa Elongation:> 40% Impact strength KCU at 20 ° C:> 98 J / cm2 Relative narrowing:> 50%
By agreement M1 (tests at elevated temperature) Note By agreement
Calculated Properties Density: 7.74 g / cm3
Note Heat-resistant steel. Austenitic-ferritic (two-phase, duplex) steel. Stable in carburizing environments.

Analogues

Germany
1.4828

Standards

Standard	Description
GOST 5632-14
GOST 5632-72
GOST 5949-18
TU 14-1-790-73

Description of chemical elements

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