EJ4 (40X13)
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, % |
|---|
|
82.095–87.64 |
< 0.8 |
< 0.8 |
12–14 |
< 0.2 |
< 0.3 |
< 0.6 |
< 0.2 |
< 0.03 |
0.36–0.45 |
< 0.025 |
< 0.3 |
< 0.2 |
Information on suppliers
Properties
| Property |
|---|
| Sheet metal in accordance with GOST 5582 After softening heat treatment Temporary resistance:> 550 MPa Elongation:> 15% |
| Products according to GOST 5949 Note. The standards of mechanical properties apply to samples taken from steel with a diameter or thickness of up to 60 mm. |
| Products in accordance with GOST 5949 Note 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. |
| 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. |
| 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. |
| Products according to GOST 5949 HRC hardness:> 50 HB hardness: 143 - 229 Imprint diameter: 4 - 5 mm |
| Wire according to GOST 18143 Heat-treated products Class 1 Diameter: 1 - 6 mm; Tensile strength: 640 - 880 MPa Elongation:> 14% |
| Wire according to GOST 18143 Heat-treated products Class 2 Diameter: 1 - 6 mm; Tensile strength: 640 - 880 MPa Elongation:> 10% |
| Bars according to GOST 18907 Heat-treated products Heat-treated for a given strength (TP) Temporary resistance: 590 - 810 MPa Relative elongation:> 10% |
| Bars in accordance with GOST 18907 Heat-treated products Annealed (T) Diameter:> 5 mm; Hardness HB: 143 - 229 Diameter of a print: 4 - 5 mm |
| General characteristics Ac1 critical point: 790 - 850 ° C |
| According to OST 5P.9125-84 Hardness HB: 269 - 302 |
| Calculated Properties Density: 7.74 g / cm3 |
Analogues
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 |