EI736 (13H14N3V2FR)
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, % | P, % | C, % | S, % | Mo, % | W, % |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| GOST 5632-14 | 77.351–82.32 | < 0.6 | < 0.004 | < 0.6 | 13–15 | < 0.05 | 2.8–3.4 | 0.18–0.28 | < 0.03 | 0.1–0.16 | < 0.025 | < 0.3 | 1.6–2.2 |
Note: Partial replacement of W by Mo is allowed from the calculation: one mass part of W is replaced by two parts of Mo
Note: Electroslag remelting (-Sh): S <0.015
Note: Cu: as agreed
Information on suppliers
Properties
| Property |
|---|
| Performance data Application temperature: <550 ° C Scaling temperature: 750 ° 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. |
| According to GOST 5949 Annealing or tempering Hardness HB: <302 |
| According to GOST 5949 As agreed M1 (tests at elevated temperature) Note By agreement |
| According to GOST 5949 Option 1 Note Quenching 1040-1060 ° С, cooling in oil or in air Tempering 640-680 ° С, cooling in air |
| According to GOST 5949 Variant 1 Yield strength:> 735 MPa Tensile strength:> 930 MPa Elongation:> 14% |
| According to GOST 5949, Option 1: KCU free viscosity at 20 ° C:> 88 J / cm2 Relative narrowing:> 55% |
| According to GOST 5949 Option 2 Note Quenching 1040-1060 ° C, cooling in oil or in air Holidays 540-580 ° C, cooling in air |
| According to GOST 5949 Variant 2 Yield strength:> 885 MPa Tensile strength:> 1130 MPa Elongation:> 12% |
| According to GOST 5949 Option 2 Impact strength KCU at 20 ° C:> 69 J / cm2 Relative narrowing:> 50% |
| Calculated properties Density: 7.99 g / cm3 |
| Note Martensitic Steel Heat Resistant Steel |
Standards
| Standard | Description |
|---|---|
| GOST 5632-14 | |
| GOST 5632-72 | |
| GOST 5949-18 |
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 |
| P | % | Phosphorus |
| C | % | Carbon |
| S | % | Sulfur |
| Mo | % | Molybdenum |
| W | % | Tungsten |