EI680 (08H16N13M2B)
Classification
| Country | Section | Category |
|---|---|---|
| CIS, Russia, Ukraine | Corrosion-resistant alloys and steels | Corrosion-resistant alloys |
Chemical composition
| Standard | Fe, % | Si, % | Mn, % | Cr, % | Ti, % | Ni, % | V, % | P, % | C, % | S, % | Nb, % | Mo, % | W, % |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| GOST 5632-14 | 62.125–69.54 | < 0.8 | < 1 | 15–17 | < 0.2 | 12.5–14.5 | < 0.2 | < 0.035 | 0.06–0.12 | < 0.02 | 0.9–1.3 | 2–2.5 | < 0.2 |
Note: Electroslag remelting (-Sh): S <0.015
Note: Nuclear industry: Cu <0.30
Information on suppliers
Properties
| Property |
|---|
| General characteristics Density: 7.9 g / cm3 |
| Performance data Application temperature: <600 ° C Scaling temperature: 850 ° C |
| Operational characteristics According to GOST R 54803-2011 Nuts Application temperature: -70 - 625 ° C |
| Operational characteristics According to GOST R 54803-2011 Washers Application temperature: -70 - 625 ° |
| Performance characteristics According to GOST R 54803-2011 Studs Application temperature: -70 - 625 ° 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 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. |
| For steel with diameter or thickness sv. 100 to 150mm is allowed to decrease the relative elongation by 3abs.% |
| 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 - 1130 ° С air cooling |
| Yield strength:> 215 MPa Tensile strength:> 550 MPa Elongation:> 40% Impact strength KCU at 20 ° C:> 118 J / cm2 Relative narrowing:> 50% |
| By agreement M1 (tests at elevated temperature) Note By agreement |
| Annealing or tempering Hardness HB: 143 - 179 |
| Note Forgings Bolts Austenitic Steel Heat Resistant Steel Turbine Blades |
Analogues
| Germany | USA |
|---|---|
| 1.458 | J92971 |
Standards
| Standard | Description |
|---|---|
| GOST 5632-14 | |
| GOST 5632-72 | |
| GOST 5949-18 | |
| OST 108.958.04 - 85 |
Description of chemical elements
| Element | Units of measurement | Description |
|---|---|---|
| Fe | % | Iron |
| Si | % | Silicon |
| Mn | % | Manganese |
| Cr | % | Chrome |
| Ti | % | Titan |
| Ni | % | Nickel |
| V | % | Vanadium |
| P | % | Phosphorus |
| C | % | Carbon |
| S | % | Sulfur |
| Nb | % | Niobium |
| Mo | % | Molybdenum |
| W | % | Tungsten |