EI680 (08H16N13M2B)

Classification

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

Chemical composition

Standard Fe, % Si, % Mn, % Cr, % Ti, % Ni, % V, % P, % C, % S, % Nb, % Mo, % W, %
GOST 5632-14 62.125–69.54 < 0.8 < 1 15–17 < 0.2 12.5–14.5 < 0.2 < 0.035 0.06–0.12 < 0.02 0.9–1.3 2–2.5 < 0.2

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

Note: Nuclear industry: Cu <0.30

Information on suppliers

Properties

Property
General characteristics Density: 7.9 g / cm3
Performance data Application temperature: <600 ° C Scaling temperature: 850 ° C
Operational characteristics According to GOST R 54803-2011 Nuts Application temperature: -70 - 625 ° C
Operational characteristics According to GOST R 54803-2011 Washers Application temperature: -70 - 625 °
Performance characteristics According to GOST R 54803-2011 Studs Application temperature: -70 - 625 ° 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 reduction of elongation by 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 diameter or thickness sv. 100 to 150mm is allowed to decrease the relative elongation by 3abs.%
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 - 1130 ° С air cooling
Yield strength:> 215 MPa Tensile strength:> 550 MPa Elongation:> 40% Impact strength KCU at 20 ° C:> 118 J / cm2 Relative narrowing:> 50%
By agreement M1 (tests at elevated temperature) Note By agreement
Annealing or tempering Hardness HB: 143 - 179
Note Forgings Bolts Austenitic Steel Heat Resistant Steel Turbine Blades

Analogues

Germany USA
1.458 J92971

Standards

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
Nb % Niobium
Mo % Molybdenum
W % Tungsten