EI696 (10H11N20T3R)
Classification
| Country | Section | Category |
|---|---|---|
| CIS, Russia, Ukraine | Corrosion-resistant alloys and steels | Corrosion-resistant alloys |
Chemical composition
| Standard | Fe, % | Si, % | B, % | Mn, % | Cr, % | Ti, % | Ni, % | V, % | Al, % | P, % | C, % | S, % | Mo, % | W, % |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| GOST 5632-14 | 59.625–69.392 | < 1 | 0.008–0.02 | < 1 | 10–12.5 | 2.6–3.2 | 18–21 | < 0.2 | < 0.8 | < 0.035 | < 0.1 | < 0.02 | < 0.3 | < 0.2 |
Note: Electroslag remelting (-Sh): S <0.015
Note: Nuclear industry: Cu <0.30
Information on suppliers
Properties
| Property |
|---|
| Performance data Application temperature: <700 ° C Scaling temperature: 850 ° 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. |
| According to GOST 5949 For steel with a diameter or thickness of st. 60 to 100mm, a reduction in elongation of 1abs.% Is allowed, |
| According to GOST 5949, a relative narrowing by 5abs.% And impact strength by 4.9 J / cm2 at a rate of less than 78.4 J / cm2 and at 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 1100 - 1170 ° С in air or in oil Aging 700 - 750 ° С, 15 - 25 h, air cooling |
| Yield strength:> 590 MPa Tensile strength:> 850 MPa Elongation:> 10% Impact strength KCU at 20 ° C:> 29 J / cm2 Relative narrowing:> 15% |
| By agreement M1 (tests at elevated temperature) Note By agreement |
| According to GOST 5949 M2 (long-term strength test) Note Quenching 1100 - 1170 ° С cooling in air or in oil Vacation 740 - 760 ° С, exposure 15 hours, cooling in air |
| According to GOST 5949 M2 (test for long-term strength) Temperature: 700 ° C; 50h long-term tensile strength:> 392 MPa |
| Calculated Properties Density: 7.84 g / cm3 |
| Note Turbine Parts Austenitic Steel Heat Resistant Steel |
Standards
| Standard | Description |
|---|---|
| GOST 5632-14 | |
| GOST 5632-72 | |
| GOST 5949-18 | |
| TU 14-1-1671-76 | |
| TU 14-1-2902-80 |
Description of chemical elements
| Element | Units of measurement | Description |
|---|---|---|
| Fe | % | Iron |
| Si | % | Silicon |
| B | % | Bor |
| Mn | % | Manganese |
| Cr | % | Chrome |
| Ti | % | Titan |
| Ni | % | Nickel |
| V | % | Vanadium |
| Al | % | Aluminium |
| P | % | Phosphorus |
| C | % | Carbon |
| S | % | Sulfur |
| Mo | % | Molybdenum |
| W | % | Tungsten |