EI107 (40H10S2M)

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

Standard	Fe, %	Si, %	Mn, %	Cr, %	Ti, %	Ni, %	V, %	P, %	C, %	S, %	Mo, %	W, %
GOST 5632-14	83.495–88.05	1.9–2.6	< 0.8	9–10.5	< 0.2	< 0.6	< 0.2	< 0.03	0.35–0.45	< 0.025	0.7–0.9	< 0.2

Property
Performance data Application temperature: <650 ° C Scaling temperature: 850 ° 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 1010-1050 ° С cooling in air or in oil Vacation 720 - 780 ° С, cooling in oil
GOST 5949 Yield strength:> 735 MPa Tensile strength:> 930 MPa Elongation:> 10% Impact strength KCU at 20 ° C:> 20 J / cm2 Relative narrowing:> 35%
According to GOST 5949 As agreed M1 (tests at elevated temperature) Note By agreement
According to GOST 5949 Annealing or tempering Hardness HB: 197 - 269
Calculated Properties Density: 7.69 g / cm3
Note Heat-resistant steel Martensitic steel Heat-resistant steel Stable in sulfur-containing environments

Germany
1.4731 (X40CrSiMo10-2)