EI572 (31X19H9)

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 63.095–70.52 < 0.8 0.8–1.5 18–20 0.2–0.5 8–10 < 0.2 < 0.035 0.28–0.35 < 0.02 0.2–0.5 1–1.5 1–1.5

Information on suppliers

Properties

Property
Performance data Application temperature: <600 ° C Scaling temperature: 800 ° 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 ° C
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, 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 1140 - 1180 ° С, cooling in water Aging 750 - 800 ° С, holding for 15 h, cooling in air
Yield strength:> 295 MPa Tensile strength:> 590 MPa Elongation:> 30% Elongation:> 40%
By agreement M1 (tests at elevated temperature) Note By agreement
Reference data Note Quenching (normalization) 1150 - 1180 ° С, water cooling Vacation 800 ° С, 15 h, air cooling
According to GOST 5949 Temperature: 600 ° C; Long-term tensile strength for 10,000 h:> 235 MPa Long-term tensile strength for 100,000 h:> 216 MPa Creep strength corresponding to 1% of the total deformation per 100,000 h:> 108 MPa
According to GOST 5949 Temperature: 650 ° C; Long-term tensile strength for 10,000 h:> 167 MPa Long-term tensile strength for 100,000 h:> 147 MPa Creep strength corresponding to 1% of the total deformation per 100,000 h:> 78 MPa
Calculated Properties Density: 7.94 g / cm3
Note Heat-resistant steel Bolts Disks Austenitic steel Rotors

Analogues

USA
K63199

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