EI703 (HN38VT)
Classification
| Country |
Section |
Category |
| CIS, Russia, Ukraine |
Corrosion-resistant alloys and steels |
Corrosion-resistant heat-resistant steel |
Chemical composition
| Standard |
Fe, % |
Si, % |
Mn, % |
Co, % |
Cr, % |
Ti, % |
Cu, % |
Ni, % |
V, % |
Al, % |
Ce, % |
P, % |
C, % |
S, % |
Nb, % |
Mo, % |
W, % |
|---|
| GOST 5632-14 |
29.63–41.44 |
< 0.8 |
< 0.7 |
< 0.2 |
20–23 |
0.7–1.2 |
< 0.25 |
35–39 |
< 0.1 |
< 0.5 |
< 0.05 |
< 0.03 |
0.06–0.12 |
< 0.02 |
< 0.1 |
< 0.8 |
2.8–3.5 |
Information on suppliers
Properties
| Property |
|---|
| Wire according to GOST 14118 Semi-Guaranteed Diameter: 0.3 - 5.0 mm; Temporary resistance: 980 - 1270 MPa |
| Wire in accordance with GOST 14118 Frozen Diameter: 0.3 - 5.0 mm; Temporary resistance: 1180 - 1670 MPa |
| Wire according to GOST 14118 Heat-treated samples Diameter: 0.3 - 5.0 mm; Tensile strength:> 1400 MPa Elongation:> 1% |
| Wire in accordance with GOST 14118 Heat-treated samples Semi-guaranteed Diameter: 0.3 - 3.0 mm; Tensile strength:> 1370 MPa Elongation:> 5% |
| Wire in accordance with GOST 14118 Heat-treated samples Semi-guaranteed Diameter: <3 mm; Tensile strength:> 1270 MPa Elongation:> 5% |
| Bars in accordance with GOST 14119 Heat-treated samples Diameter: 1 - 30 mm; Yield strength:> 735 MPa Tensile strength:> 1130 MPa Impact strength KCU at 20 ° C:> 39 J / cm2 Relative narrowing:> 22% |
| Bars in accordance with GOST 14119 Heat-treated samples Diameter: 30 - 60 mm; Yield strength:> 635 MPa Tensile strength:> 1030 MPa Elongation:> 14% Impact strength KCU at 20 ° C:> 49 J / cm2 Relative narrowing:> 25% |
| Bars in accordance with GOST 14119 Heat-treated samples Diameter: <60 mm; Yield strength:> 490 MPa Tensile strength:> 880 MPa Impact strength KCU at 20 ° C:> 59 J / cm2 Relative narrowing:> 35% |
| According to ST TSKBA 010-2004 Yield strength:> 637 MPa Tensile strength:> 1029 MPa Elongation:> 14% |
| According to ST TSKBA 010-2004 Hardness HRC: 32 - 42 Impact strength KCU at 20 ° C:> 50 J / cm2 Relative narrowing:> 25% |
| According to GOST 14117 Semi-Guaranteed Thickness: 0.1 - 0.9 mm; Tensile strength: 880 - 1100 MPa Elongation:> 2% |
| According to GOST 14117 Semi-Guaranteed Thickness: 1 - 2 mm; Tensile strength: 880 - 1100 MPa Elongation:> 3% |
| According to GOST 14117 Carbonated Thickness: 0.1 - 0.9 mm; Tensile strength: 950 - 1350 MPa Elongation:> 1% |
| According to GOST 14117 Carbonated Thickness: 1 - 2 mm; Tensile strength: 950 - 1350 MPa Elongation:> 2% |
| According to GOST 14117 Soft Note Quenching 950-970 ° C, cooling in water |
| According to GOST 14117 Soft Temporary resistance: 590 - 880 MPa Elongation:> 25% Elastic modulus (Young's modulus): 180 - 220 GPa Linear expansion coefficient: 12 - 14 (10 ^ 6) / ° С Shear modulus: 75 - 80 GPa |
| Calculated Properties Density: 7.97 g / cm3 |
Analogues
| Germany |
USA |
|---|
| BGH 2.4951 |
SPEC MIL-E-21562 (EN6N) |
Standards
Description of chemical elements
| Element |
Units of measurement |
Description |
| Fe |
% |
Iron |
| Si |
% |
Silicon |
| Mn |
% |
Manganese |
| Co |
% |
Cobalt |
| Cr |
% |
Chrome |
| Ti |
% |
Titan |
| Cu |
% |
Copper |
| Ni |
% |
Nickel |
| V |
% |
Vanadium |
| Al |
% |
Aluminium |
| Ce |
% |
Cerium |
| P |
% |
Phosphorus |
| C |
% |
Carbon |
| S |
% |
Sulfur |
| Nb |
% |
Niobium |
| Mo |
% |
Molybdenum |
| W |
% |
Tungsten |