EI654 (15H18N12S4TYU)
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, % | Al, % | P, % | C, % | S, % | Mo, % | W, % |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| GOST 5632-14 | 60.215–67.05 | 3.8–4.5 | 0.5–1 | 17–19 | 0.4–0.7 | < 0.3 | 11–13 | < 0.2 | 0.13–0.35 | < 0.035 | 0.12–0.17 | < 0.03 | < 0.3 | < 0.2 |
Note: Electroslag remelting (-Sh): S <0.015
Note: GOST R 56594-2015: on request S <0.020
Information on suppliers
Properties
| Property |
|---|
| According to GOST R 56594-2015 Yield strength:> 373 MPa Tensile strength:> 687 MPa Elongation:> 40% Density: 7.51 g / cm3 |
| Operational characteristics According to ST TsKBA 025-2006 Application temperature: -70 - 300 ° 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 950 - 1050 ° С, cooling in water |
| Yield strength:> 375 MPa Tensile strength:> 720 MPa Relative elongation:> 25% Impact strength KCU at 20 ° C:> 78 J / cm2 Relative narrowing:> 40% |
| By agreement M1 (tests at elevated temperature) Note By agreement |
| Note Corrosion-resistant steel Work in aggressive environments Austenitic-ferritic (two-phase, duplex) steel |
Standards
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 |
| Al | % | Aluminium |
| P | % | Phosphorus |
| C | % | Carbon |
| S | % | Sulfur |
| Mo | % | Molybdenum |
| W | % | Tungsten |