EI437B-VD (HN77TYuR-VD)

Classification

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

Chemical composition

Standard Fe, % Si, % B, % Mn, % Co, % Cr, % Ti, % Cu, % Ni, % V, % Al, % Pb, % Ce, % P, % C, % S, % Nb, % Mo, % W, %
TU 14-1-223-72 < 1 < 0.6 < 0.01 < 0.4 < 0.5 19–22 2.4–2.8 < 0.07 70.707–78 < 0.2 0.6–1 < 0.001 < 0.02 < 0.015 < 0.07 < 0.007 < 0.2 < 0.2 < 0.2

Information on suppliers

Properties

Property
Capillary tubes according to GOST 14162 Heat-treated products Temporary resistance:> 784 MPa Elongation:> 20% Density: 8.2 g / cm3
Products according to GOST 23705 Samples from heat-treated workpieces Note For bars with a diameter of less than 20 mm, a temporary resistance of at least 686 N / mm2 is allowed
Products according to GOST 23705 Samples from heat-treated blanks Temperature: 20 ° C; Hardness HB: 255 - 321 Imprint diameter: 3.4 - 3.8 mm
Products according to GOST 23705 Samples from heat-treated blanks Temperature: 700 ° C; Tensile strength:> 740 MPa Elongation:> 15% Relative contraction:> 20%
Products according to GOST 23705 Samples from heat-treated workpieces Long-term strength test Option 1 Temperature: 700 ° С; 40h long-term tensile strength: 451 MPa
Products according to GOST 23705 Samples from heat-treated blanks. Long-term strength test. Option 2 Temperature: 700 ° C; 50h long-term tensile strength: 431 MPa
Products according to GOST 23705 Vacuum arc remelting Note For rods with a diameter of less than 20 mm, a temporary resistance of at least 686 N / mm2 is allowed
Products according to GOST 23705 Vacuum arc remelting Temperature: 20 ° С; Hardness HB: 255 - 321 Imprint diameter: 3.4 - 3.8 mm
Products according to GOST 23705 Vacuum arc remelting Temperature: 700 ° С; Tensile strength:> 740 MPa Elongation:> 15% Relative contraction:> 20%
Products according to GOST 23705 Vacuum-arc remelting Long-term strength test Option 1 Temperature: 700 ° С; 40h long-term tensile strength: 451 MPa
Sheet metal according to GOST 24982 Heat-treated products Heat-treated samples Tests at room temperature. Thickness: <3.9 mm; Tensile strength:> 930 MPa Elongation:> 20%
Sheet metal according to GOST 24982 Heat-treated products Heat-treated samples Tests at elevated temperature Thickness: <3.9 mm; Tensile strength:> 590 MPa Elongation:> 8%
Forgings in accordance with TU 14-1-2918-80 Hardening Test temperature 20 ° C Diameter: 140 - 550 mm; Yield strength:> 665 MPa Tensile strength:> 980 MPa Elongation:> 13%
Forgings according to TU 14-1-2918-80 Quenching Test temperature 20 ° C Hardness HB: 255 - 321 Impact strength KCU at 20 ° C:> 29 J / cm2 Relative narrowing:> 16%
Forgings according to TU 14-1-2918-80 Aging Test temperature 650 ° C Square side: 140 - 550 mm; Ultimate Strength for 30h: 640 MPa
According to TU 14-131-904-2010 Application temperature: <500 ° C
Physical properties Elastic modulus (Young's modulus): 198 - 215 GPa Density: 8.2 g / cm3 Linear expansion coefficient: 12.7 (10 ^ 6) / ° С Thermal conductivity at 20 ° C: 12.54 W / m * K Thermal conductivity at 300 ° C: 17.138 W / m * K
Physical properties Thermal conductivity at 200 ° C: 15.466 W / m * K Thermal conductivity at 100 ° C: 13.794 W / m * K Thermal conductivity at 400 ° C: 18.81 W / m * K Thermal conductivity at 500 ° C: 20.9 W / m * K
Physical properties Thermal conductivity at 600 ° C: 23.408 W / m * K Thermal conductivity at 700 ° C: 25.08 W / m * K Thermal conductivity at 800 ° C: 28.006 W * m / K
According to TU 14-1-223-72 Note Heating 1070-1090 ° С, exposure 8 hours, cooling in air Aging 690-710 ° С, 16 hours, cooling in air
According to TU 14-1-223-72 Temperature: 700 ° C; Tensile strength:> 740 MPa Elongation:> 15% Relative narrowing:> 20% Long-term strength for 40 h: 450 MPa
According to TU 14-1-223-72 Hardness Imprint diameter: 3.4 - 3.8 mm

Analogues

Germany USA
BGH 2.4952 Nickelvac 80 A

Standards

Standard Description
TU 14-1-223-72
TU 14-3-520-76

Description of chemical elements

Element Units of measurement Description
Fe % Iron
Si % Silicon
B % Bor
Mn % Manganese
Co % Cobalt
Cr % Chrome
Ti % Titan
Cu % Copper
Ni % Nickel
V % Vanadium
Al % Aluminium
Pb % Lead
Ce % Cerium
P % Phosphorus
C % Carbon
S % Sulfur
Nb % Niobium
Mo % Molybdenum
W % Tungsten