EI417 (20H23N18)

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

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

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

Germany	USA
BGH 4845	SS 310
1.4951 (X6CrNi25-20)