EI417 (20H23N18)

Classification

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

Chemical composition

Standard Fe, % Si, % Mn, % Cr, % Ti, % Ni, % V, % P, % C, % S, % Mo, % W, %
GOST 5632-14 50.845–61 < 1 < 2 22–25 < 0.2 17–20 < 0.2 < 0.035 < 0.2 < 0.02 < 0.3 < 0.2

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Properties

Property
Performance Note Note prone to embrittlement at 600-800 ° C
Performance data Application temperature: <1000 ° C Scaling temperature: 1050 ° C
According to GOST R 56594-2015 Temporary resistance:> 490 MPa Elongation:> 35% Density: 7.7 g / cm3
According to TU 14-158-135-2003 Temporary resistance:> 529 MPa Elongation:> 35%
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 1100 - 1150 ° С, cooling in air or in water
According to GOST 5949 Yield strength:> 196 MPa Tensile strength:> 490 MPa Elongation:> 35% Elongation:> 50%
By agreement M1 (tests at elevated temperature) Note By agreement
Note Heat Resistant Steel Austenitic Steel Heat Resistant Steel
EI417 / Aloro

Standards

Standard Description
GOST 5632-14
GOST 5632-72
GOST 5949-18

Description of chemical elements

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