EI736 (13H14N3V2FR)

Classification

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

Chemical composition

Standard Fe, % Si, % B, % Mn, % Cr, % Ti, % Ni, % V, % P, % C, % S, % Mo, % W, %
GOST 5632-14 77.351–82.32 < 0.6 < 0.004 < 0.6 13–15 < 0.05 2.8–3.4 0.18–0.28 < 0.03 0.1–0.16 < 0.025 < 0.3 1.6–2.2

Note: Partial replacement of W by Mo is allowed from the calculation: one mass part of W is replaced by two parts of Mo

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

Note: Cu: as agreed

Information on suppliers

Properties

Property
Performance data Application temperature: <550 ° C Scaling temperature: 750 ° 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.
According to GOST 5949 Annealing or tempering Hardness HB: <302
According to GOST 5949 As agreed M1 (tests at elevated temperature) Note By agreement
According to GOST 5949 Option 1 Note Quenching 1040-1060 ° С, cooling in oil or in air Tempering 640-680 ° С, cooling in air
According to GOST 5949 Variant 1 Yield strength:> 735 MPa Tensile strength:> 930 MPa Elongation:> 14%
According to GOST 5949, Option 1: KCU free viscosity at 20 ° C:> 88 J / cm2 Relative narrowing:> 55%
According to GOST 5949 Option 2 Note Quenching 1040-1060 ° C, cooling in oil or in air Holidays 540-580 ° C, cooling in air
According to GOST 5949 Variant 2 Yield strength:> 885 MPa Tensile strength:> 1130 MPa Elongation:> 12%
According to GOST 5949 Option 2 Impact strength KCU at 20 ° C:> 69 J / cm2 Relative narrowing:> 50%
Calculated properties Density: 7.99 g / cm3
Note Martensitic Steel Heat Resistant Steel

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
B % Bor
Mn % Manganese
Cr % Chrome
Ti % Titan
Ni % Nickel
V % Vanadium
P % Phosphorus
C % Carbon
S % Sulfur
Mo % Molybdenum
W % Tungsten