Steel 15H1M1F
Designation
| Name | The value |
|---|---|
| Designation GOST Cyrillic | 15Х1М1Ф |
| Designation GOST Latin | 15X1M1F |
| Transliteration | 15H1M1F |
| The chemical elements | 15Cr1Mo1V |
Description
15H1M1 °F steel is used: for the manufacture of tubes; tubes of superheaters, steam pipelines and collectors installations with high pressure, long operating at temperatures up to +585 °C; the equipment and pipelines of nuclear power plants (NPP); of billets intended for the manufacture of seamless cold, warm, hot-wrought, including hot-pressed and hot-pressed reduced pipes for steam boilers and pipelines, installations with high and supercritical steam parameters; fabrication by hot forging, welded pipe, fittings piping and stamp-welded fittings.
Standards
| Name | Code | Standards |
|---|---|---|
| Metal forming. Forgings | В03 | OST 108.030.113-87, TU 108.1267-84, TU 0306.018-80, ST ЦКБА 010-2004 |
| Castings, steel | В82 | TU 108-806-78 |
| Bulls. Blanks. Slabs | В31 | TU 108-938-80, TU 14-1-4992-91 |
| Sheets and stripes | В33 | TU 108.11.888-87 |
| Sectional and shaped rolling | В32 | TU 14-1-1529-2003 |
| Pipes steel and connecting parts to them | В62 | TU 3-923-75, TU 14-3-420-75, TU 14-3-463-2005, TU 14-3-460-2009, TU 1301-039-00212179-2010, TU 1310-030-00212179-2007, TU 108-874-2012, TU 14-3Р-55-2001, TU 14-3-460-2003 |
Chemical composition
| Standard | C | S | P | Mn | Cr | Si | Ni | Fe | Cu | Al | V | Mo |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| TU 108.11.888-87 | 0.1-0.16 | ≤0.025 | ≤0.025 | 0.6-0.95 | 1.1-1.4 | 0.17-0.37 | ≤0.3 | The rest | ≤0.3 | - | 0.2-0.35 | 0.9-1.1 |
| TU 1301-039-00212179-2010 | 0.12-0.16 | ≤0.025 | ≤0.025 | 0.6-0.9 | 1.1-1.4 | 0.17-0.37 | ≤0.4 | The rest | ≤0.25 | - | 0.2-0.25 | 0.9-1.1 |
| TU 14-3Р-55-2001 | 0.1-0.15 | ≤0.025 | ≤0.025 | 0.4-0.7 | 1.1-1.4 | 0.17-0.37 | ≤0.25 | The rest | ≤0.25 | - | 0.2-0.35 | 0.9-1.1 |
| TU 108-874-2012 | 0.11-0.15 | ≤0.025 | ≤0.025 | 0.4-0.7 | 1.1-1.4 | 0.17-0.37 | ≤0.3 | The rest | ≤0.3 | ≤0.01 | 0.2-0.35 | 0.9-1.1 |
| TU 108.1267-84 | 0.1-0.16 | ≤0.025 | ≤0.025 | 0.4-0.7 | 1.1-1.4 | 0.17-0.37 | ≤0.25 | The rest | ≤0.25 | - | 0.2-0.25 | 0.9-1.1 |
Fe is the basis.
According to TU 14-3R-55-2001, TU 14-1-1529-2003 and TU 14-3-460-2003 for steel made by scrap-process or from cuprous ores, the mass fraction of residual copper and nickel is allowed up to 0.30 % of each. A technological addition of rare earth elements is allowed to improve the quality of the metal. For steel smelted in electric furnaces, the mass fraction of carbon should be 0.11-0.16%, manganese 0.60-0.90%.
According to TU 1301-039-00212179-2010 the chemical composition is given for steel grade 15H1M1F-III. The content of each impurity element, not regulated by the table, is allowed up to 0.050%.
According to TU 108-874-2012 the chemical composition is given for steel grade 15H1M1F. The presence of rare-earth elements in steel is not a defective feature. The content of manganese in steel is allowed up to 0.90%. Permissible deviations in chemical composition: by carbon + 0,020 / -0,010%, by silicon ± 0,030%, by manganese -0,020%, by chromium ± 0,10%, by molybdenum + 0,050 / -0,020%, by vanadium ± 0,020%.
According to TU 108.11.888-87 the chemical composition is given for steel grade 15H1M1F. The technological additive REM is allowed up to 0.20% by calculation. The content of manganese in steel is allowed up to 0.90%. Permissible deviations in chemical composition: carbon ± 0.010%, silicon ± 0.030%, manganese -0.020%, chromium ± 0.10%, molybdenum ± 0.050%, vanadium ± 0.020%, nickel ± 0.050%. After processing the steel on OSRV, the total content of sulfur and phosphorus in the steel should not be more than 0.030%.
According to TU 14-3R-55-2001, TU 14-1-1529-2003 and TU 14-3-460-2003 for steel made by scrap-process or from cuprous ores, the mass fraction of residual copper and nickel is allowed up to 0.30 % of each. A technological addition of rare earth elements is allowed to improve the quality of the metal. For steel smelted in electric furnaces, the mass fraction of carbon should be 0.11-0.16%, manganese 0.60-0.90%.
According to TU 1301-039-00212179-2010 the chemical composition is given for steel grade 15H1M1F-III. The content of each impurity element, not regulated by the table, is allowed up to 0.050%.
According to TU 108-874-2012 the chemical composition is given for steel grade 15H1M1F. The presence of rare-earth elements in steel is not a defective feature. The content of manganese in steel is allowed up to 0.90%. Permissible deviations in chemical composition: by carbon + 0,020 / -0,010%, by silicon ± 0,030%, by manganese -0,020%, by chromium ± 0,10%, by molybdenum + 0,050 / -0,020%, by vanadium ± 0,020%.
According to TU 108.11.888-87 the chemical composition is given for steel grade 15H1M1F. The technological additive REM is allowed up to 0.20% by calculation. The content of manganese in steel is allowed up to 0.90%. Permissible deviations in chemical composition: carbon ± 0.010%, silicon ± 0.030%, manganese -0.020%, chromium ± 0.10%, molybdenum ± 0.050%, vanadium ± 0.020%, nickel ± 0.050%. After processing the steel on OSRV, the total content of sulfur and phosphorus in the steel should not be more than 0.030%.
Mechanical characteristics
| Section, mm | sT|s0,2, MPa | σB, MPa | d5, % | d | y, % | kJ/m2, кДж/м2 |
|---|---|---|---|---|---|---|
| The leaves on the other 108.11.888-87. Normalization at 970-1000 °C + Vacation at 720-760 °C (exposure time according to the method of manufacturer), air cooling | ||||||
| ≥295 | 490-685 | ≥15 | - | ≥45 | ≥390 | |
| Seamless pipes for steam boilers and pipelines according to TU 14-3P-55-2001. Normalization at 970-1000 °C + Vacation at 730-760 (excerpt of not less than 10 hours), air cooling | ||||||
| ≥235 | - | - | - | - | - | |
| Pipe. Without heat treatment in the state of delivery | ||||||
| - | ≥320 | ≥500 | 16-18 | - | 45-50 | 392-490 |
| Tubular billet + hot deformed Tubes (DH=57-465 mm) TU 14-3-460-2003. Normalization at 970-1000 °C, air cooling + Vacation at 730-760 °C (aged for at least 10 hours), furnace cooling to 500 °C further cooling in air | ||||||
| 20-25 | ≥345 | 490-690 | ≥16 | - | ≥45 | ≥390 |
| The leaves on the other 108.11.888-87. Normalization at 970-1000 °C + Vacation at 720-760 °C (exposure time according to the method of manufacturer), air cooling | ||||||
| ≥165 | ≥265 | ≥20 | - | ≥60 | - | |
| Seamless pipes for steam boilers and pipelines according to TU 14-3P-55-2001. Normalization at 970-1000 °C + Vacation at 730-760 (excerpt of not less than 10 hours), air cooling | ||||||
| ≥225 | - | - | - | - | - | |
| Tubular billet + hot deformed Tubes (DH=57-465 mm) TU 14-3-460-2003. Normalization at 970-1000 °C, air cooling + Vacation at 730-760 °C (aged for at least 10 hours), furnace cooling to 500 °C further cooling in air | ||||||
| 20-25 | ≥345 | 490-690 | ≥18 | - | ≥50 | ≥490 |
| Seamless pipes for steam boilers and pipelines according to TU 14-3P-55-2001, TU 3-923-75. Normalization at 970-1000 °C + Vacation at 730-760 °C (aged for at least 10 hours), air cooling | ||||||
| - | ≥314 | 490-686 | ≥16 | - | ≥45 | ≥390 |
| - | ≥314 | 490-686 | ≥18 | - | ≥50 | ≥490 |
| Seamless tubes of steel 15H1M1F-ø in delivery condition on the other 1301-039-00212179-2010. Normalization at 970-1000 °C + Vacation at 730-760 °C (aged for at least 8 hours), air cooling (which is allowed with the normalization of the accelerated cooling; for pipes with wall thickness up to 15 mm exposure when leave of at least 5 hours) | ||||||
| - | ≥315 | 490-655 | ≥18 | - | ≥50 | ≥590 |
| Pipe tsentrobezhnolityh, heat-treated on the other 108-874-2012 | ||||||
| - | ≥294 | 490-657 | - | ≥16 | ≥45 | ≥390 |
Description mechanical marks
| Name | Description |
|---|---|
| Section | Section |
| sT|s0,2 | Yield strength or limit of proportionality with a tolerance for residual deformation of 0.2% |
| σB | Limit short-term strength |
| d5 | Elongation after rupture |
| d | Elongation after rupture |
| y | The relative narrowing |
| kJ/m2 | Toughness |
Technological properties
| Name | The value |
|---|---|
| Macrostructure and contamination | In the macrostructure of the pipe on the other 108-874-2012 should not be cracked, placenow and bundles. Allowed separate slag and sand inclusions, and a gas sink maximum linear size up to 1 mm. increased Local travelmasti metal 1-5 points scale rejection of the sign is not. Contamination of the metal pipes, non-metallic inclusions should not exceed the arithmetic mean score of the sulphides 2.5 points, according to the oxides - 3.5 points, silicates - 4 points scale. |
| Microstructure | On the other 108-874-2012 the size of ferritic grains should be no larger than 7 points according to GOST 5639. Under the control of the microstructure of tubes of rejection shall be subjected to pipe V points. Allowed in the metal pipe structure IV (b) points, provided positive results of impact tests of specimens cut from the inner layers of the cross section of the pipe wall. |
| Features of production | Pipe tsentrobezhnolityh on the other 108-874-2012 are delivered in heat treated condition. Tubes are homogenized and anti-flake annealing, the modes of which shall be agreed with TSNIITMASH. The mode of heat treatment: Normalization at 970-1000 °C to + Leave in 715-754 °With a shutter speed of at least 5 hours, air cooling. Allowed temperature rise of normalization pipes up to 1050 °C, and accelerated cooling after normalizing. |
