PL447377A1 - Sposób obróbki cieplno-plastycznej stali dwufazowej z austenitem szczątkowym, zwłaszcza na blachy grube - Google Patents
Sposób obróbki cieplno-plastycznej stali dwufazowej z austenitem szczątkowym, zwłaszcza na blachy grubeInfo
- Publication number
- PL447377A1 PL447377A1 PL447377A PL44737723A PL447377A1 PL 447377 A1 PL447377 A1 PL 447377A1 PL 447377 A PL447377 A PL 447377A PL 44737723 A PL44737723 A PL 44737723A PL 447377 A1 PL447377 A1 PL 447377A1
- Authority
- PL
- Poland
- Prior art keywords
- weight
- temperature
- retained austenite
- steel
- phase steel
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D8/00—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment
- C21D8/02—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/18—Hardening; Quenching with or without subsequent tempering
- C21D1/25—Hardening, combined with annealing between 300 degrees Celsius and 600 degrees Celsius, i.e. heat refining ("Vergüten")
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/02—Ferrous alloys, e.g. steel alloys containing silicon
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/04—Ferrous alloys, e.g. steel alloys containing manganese
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/06—Ferrous alloys, e.g. steel alloys containing aluminium
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/12—Ferrous alloys, e.g. steel alloys containing tungsten, tantalum, molybdenum, vanadium, or niobium
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Heat Treatment Of Steel (AREA)
Abstract
Przedmiotem zgłoszenia jest sposób obróbki cieplno-plastycznej stali dwufazowej z austenitem szczątkowym prowadzony poprzez austenityzowanie, walcowanie na gorąco, hartowanie i nagrzewanie stali, który charakteryzuje się tym, że stal o składzie od 0,15% do 0,22% mas. C, 4% - 5% mas. Mn, od 0,6% do 1% mas. Si, od 0,7% do 1,4% mas. Al, 0,1% - 0,3% mas. Mo, 0,02% - 0,07% mas. Nb, przy czym łączny dodatek Si oraz Al wynosi od 1,5% do 2,0% mas., a resztę stanowi Fe jest austenityzowana w temperaturze 1100°C - 1150°C, następnie walcowana na gorąco z sumarycznym stopniem gniotu min. 80% i temperaturą 850°C - 900°C podczas ostatniego odkształcenia zadanego poprzez walcowanie do grubości 5 — 12 mm, następnie chłodzi się na powietrzu z szybkością chłodzenia rdzenia nie mniejszą niż 0,8°C/s do temperatury 230°C – 250°C, ponownie nagrzewa do temperatury 400°C - 450°C, wytrzymuje w tej temperaturze 5 - 15 min i chłodzi na powietrzu do temperatury pokojowej.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PL447377A PL447377A1 (pl) | 2023-12-28 | 2023-12-28 | Sposób obróbki cieplno-plastycznej stali dwufazowej z austenitem szczątkowym, zwłaszcza na blachy grube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PL447377A PL447377A1 (pl) | 2023-12-28 | 2023-12-28 | Sposób obróbki cieplno-plastycznej stali dwufazowej z austenitem szczątkowym, zwłaszcza na blachy grube |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| PL447377A1 true PL447377A1 (pl) | 2025-06-30 |
Family
ID=96171606
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PL447377A PL447377A1 (pl) | 2023-12-28 | 2023-12-28 | Sposób obróbki cieplno-plastycznej stali dwufazowej z austenitem szczątkowym, zwłaszcza na blachy grube |
Country Status (1)
| Country | Link |
|---|---|
| PL (1) | PL447377A1 (pl) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20140305553A1 (en) * | 2011-12-15 | 2014-10-16 | Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.) | High-strength cold-rolled steel sheet having small variations in strength and ductility and manufacturing method for the same |
| US20230001504A1 (en) * | 2019-11-29 | 2023-01-05 | Baoshan Iron & Steel Co., Ltd. | Carbon steel and austenitic stainless steel rolling clad plate manufacturing method therefor |
| US20230025863A1 (en) * | 2019-12-18 | 2023-01-26 | Posco | High strength steel sheet having excellent workability and method for manufacturing same |
| EP4296395A1 (en) * | 2021-03-30 | 2023-12-27 | JFE Steel Corporation | Steel pipe for high-pressure hydrogen, container for high-pressure hydrogen, and method for manufacturing said steel pipe |
-
2023
- 2023-12-28 PL PL447377A patent/PL447377A1/pl unknown
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20140305553A1 (en) * | 2011-12-15 | 2014-10-16 | Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.) | High-strength cold-rolled steel sheet having small variations in strength and ductility and manufacturing method for the same |
| US20230001504A1 (en) * | 2019-11-29 | 2023-01-05 | Baoshan Iron & Steel Co., Ltd. | Carbon steel and austenitic stainless steel rolling clad plate manufacturing method therefor |
| US20230025863A1 (en) * | 2019-12-18 | 2023-01-26 | Posco | High strength steel sheet having excellent workability and method for manufacturing same |
| EP4296395A1 (en) * | 2021-03-30 | 2023-12-27 | JFE Steel Corporation | Steel pipe for high-pressure hydrogen, container for high-pressure hydrogen, and method for manufacturing said steel pipe |
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