EI659 (23H2NVFA)

Classification

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

Chemical composition

Standard Fe, % Si, % Mn, % Cr, % Ti, % Cu, % Ni, % V, % P, % C, % S, % Mo, % W, %
TU 14-1-950-86 93.01–95.86 0.17–0.37 0.3–0.6 1.9–2.4 < 0.03 < 0.25 0.8–1.2 0.18–0.28 < 0.025 0.19–0.26 < 0.025 < 0.15 0.6–1.4

Note: According to customer requirements for steels designed for hot forming: Cu <0.15

Note: W <1.0: W + 3 * Mo> 1.0

Information on suppliers

Properties

Property
According to TU 14-1-950-86 Heat-treated samples Note Workpiece diameter: 25mm Quenching 875-905 ° С, cooling in oil Tempering 590-620 ° С cooling in air or in oil
According to TU 14-1-950-86 Heat-treated samples Temporary resistance:> 1130 MPa Elongation:> 12%
According to TU 14-1-950-86 Heat-treated samples Impact strength KCU at 20 ° C:> 54 J / cm2 Relative narrowing:> 50% Indent diameter: 3.0 - 3.3 mm
According to TU 14-1-950-86 Calibrated or with a special surface finish Imprint diameter:> 3.7 mm
According to TU 14-1-950-86 Calibrated or with a special surface finish; Printed Diameter of the print: 3.7 - 4.0 mm
Calculated Properties Density: 7.95 g / cm3

Standards

Standard Description
TU 14-1-195-72
TU 14-1-950-86

Description of chemical elements

Element Units of measurement Description
Fe % Iron
Si % Silicon
Mn % Manganese
Cr % Chrome
Ti % Titan
Cu % Copper
Ni % Nickel
V % Vanadium
P % Phosphorus
C % Carbon
S % Sulfur
Mo % Molybdenum
W % Tungsten