| Physical properties Density: 8 g / cm3 Linear expansion coefficient: 15.2 - 18.9 (10 ^ 6) / ° С Thermal conductivity at 20 ° C: 15.884 W / m * K Thermal conductivity at 300 ° C: 17.974 W / m * K Thermal conductivity at 200 ° C: 16.302 W / m * K |
| Physical properties Thermal conductivity at 100 ° C: 14.63 W / m * K Thermal conductivity at 400 ° C: 19.228 W / m * K Thermal conductivity at 500 ° C: 21.318 W / m * K |
| Physical properties Thermal conductivity at 600 ° C: 22.99 W / m * K Thermal conductivity at 700 ° C: 25.08 W / m * K Thermal conductivity at 800 ° C: 27.588 W * m / K |
| 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. |
| 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 1120-1140 ° C, cooling in air Holidays 740 - 760 ° C, holding for 5 hours, cooling in air |
| According to GOST 5949 Yield strength:> 215 MPa Tensile strength:> 510 MPa Elongation:> 30% Elongation:> 44% |
| By agreement M1 (tests at elevated temperature) Note By agreement |
| Reference data Note Quenching (normalization) 1130 ° С, air cooling Vacation 750 ° С, 5 h, air cooling |
| Reference data Temperature: 650 ° C; Long-term tensile strength for 10,000 hours:> 255 MPa Long-term tensile strength for 100,000 hours:> 226 MPa |
| Reference data Creep limit corresponding to 1% of the total deformation for 1000 h:> 245 MPa Creep limit corresponding to 1% of the total deformation for 1000 h:> 167 MPa |
| Reference data Temperature: 700 ° C; Long-term tensile strength for 10,000 hours:> 211 MPa Long-term tensile strength for 100,000 hours:> 186 MPa |
| Reference data Temperature: 700 ° C; Creep limit corresponding to 1% of the total deformation per 1000h:> 196 MPa Creep limit corresponding to 1% of the total deformation per 100,000 h:> 137 MPa |
| Reference data Temperature: 750 ° С; Long-term strength for 10,000 hours:> 167 MPa Long-term strength for 100,000 hours:> 137 MPa |
| Reference data Temperature: 750 ° С |
| Note Turbine Parts Austenitic Steel Heat Resistant Steel |