SE544951C2 - A new super bainite steel, method for manufacturing an object of said steel and an object manufactured by the method - Google Patents
A new super bainite steel, method for manufacturing an object of said steel and an object manufactured by the methodInfo
- Publication number
- SE544951C2 SE544951C2 SE2130179A SE2130179A SE544951C2 SE 544951 C2 SE544951 C2 SE 544951C2 SE 2130179 A SE2130179 A SE 2130179A SE 2130179 A SE2130179 A SE 2130179A SE 544951 C2 SE544951 C2 SE 544951C2
- Authority
- SE
- Sweden
- Prior art keywords
- super
- content
- bainite
- super bainite
- temperature
- Prior art date
Links
- 229910001563 bainite Inorganic materials 0.000 title claims abstract description 72
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 44
- 239000010959 steel Substances 0.000 title claims abstract description 44
- 238000000034 method Methods 0.000 title claims description 25
- 238000004519 manufacturing process Methods 0.000 title claims description 12
- 239000012535 impurity Substances 0.000 claims abstract description 10
- 238000010438 heat treatment Methods 0.000 claims description 49
- 230000009466 transformation Effects 0.000 claims description 45
- 238000001816 cooling Methods 0.000 claims description 21
- 230000008569 process Effects 0.000 claims description 13
- 238000005266 casting Methods 0.000 claims description 8
- 238000012360 testing method Methods 0.000 claims description 7
- 238000010791 quenching Methods 0.000 claims description 6
- 230000000171 quenching effect Effects 0.000 claims description 5
- 229910001562 pearlite Inorganic materials 0.000 description 24
- 238000001556 precipitation Methods 0.000 description 20
- 229910000859 α-Fe Inorganic materials 0.000 description 17
- 239000011651 chromium Substances 0.000 description 15
- 238000005275 alloying Methods 0.000 description 14
- 229910001566 austenite Inorganic materials 0.000 description 14
- PXHVJJICTQNCMI-UHFFFAOYSA-N nickel Substances [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 14
- 239000011572 manganese Substances 0.000 description 12
- 229910052799 carbon Inorganic materials 0.000 description 11
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 10
- 239000010949 copper Substances 0.000 description 9
- 239000000203 mixture Substances 0.000 description 9
- 229910052710 silicon Inorganic materials 0.000 description 9
- 239000010936 titanium Substances 0.000 description 9
- 150000003839 salts Chemical class 0.000 description 8
- 229910052782 aluminium Inorganic materials 0.000 description 7
- 230000000694 effects Effects 0.000 description 7
- 230000015572 biosynthetic process Effects 0.000 description 6
- 150000001247 metal acetylides Chemical class 0.000 description 6
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 5
- 229910000734 martensite Inorganic materials 0.000 description 5
- 239000010703 silicon Substances 0.000 description 5
- 238000005728 strengthening Methods 0.000 description 5
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 4
- 229910045601 alloy Inorganic materials 0.000 description 4
- 239000000956 alloy Substances 0.000 description 4
- 229910052804 chromium Inorganic materials 0.000 description 4
- 230000007423 decrease Effects 0.000 description 4
- 229910052750 molybdenum Inorganic materials 0.000 description 4
- 239000011733 molybdenum Substances 0.000 description 4
- 239000003921 oil Substances 0.000 description 4
- 239000002994 raw material Substances 0.000 description 4
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 3
- 239000004411 aluminium Substances 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
- 238000007571 dilatometry Methods 0.000 description 3
- 239000002244 precipitate Substances 0.000 description 3
- 230000009467 reduction Effects 0.000 description 3
- 230000000717 retained effect Effects 0.000 description 3
- 239000006104 solid solution Substances 0.000 description 3
- 230000003245 working effect Effects 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 238000005336 cracking Methods 0.000 description 2
- 238000000227 grinding Methods 0.000 description 2
- 230000006698 induction Effects 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 229910052748 manganese Inorganic materials 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 229910052759 nickel Inorganic materials 0.000 description 2
- 239000010955 niobium Substances 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 230000008092 positive effect Effects 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 230000000979 retarding effect Effects 0.000 description 2
- 239000011435 rock Substances 0.000 description 2
- 239000003923 scrap metal Substances 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 229910052719 titanium Inorganic materials 0.000 description 2
- 238000000844 transformation Methods 0.000 description 2
- 229910017083 AlN Inorganic materials 0.000 description 1
- PIGFYZPCRLYGLF-UHFFFAOYSA-N Aluminum nitride Chemical compound [Al]#N PIGFYZPCRLYGLF-UHFFFAOYSA-N 0.000 description 1
- 229910052684 Cerium Inorganic materials 0.000 description 1
- 241000543381 Cliftonia monophylla Species 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 241001063191 Elops affinis Species 0.000 description 1
- 235000002756 Erythrina berteroana Nutrition 0.000 description 1
- GVGLGOZIDCSQPN-PVHGPHFFSA-N Heroin Chemical compound O([C@H]1[C@H](C=C[C@H]23)OC(C)=O)C4=C5[C@@]12CCN(C)[C@@H]3CC5=CC=C4OC(C)=O GVGLGOZIDCSQPN-PVHGPHFFSA-N 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 1
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 229910052785 arsenic Inorganic materials 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- HKPHPIREJKHECO-UHFFFAOYSA-N butachlor Chemical compound CCCCOCN(C(=O)CCl)C1=C(CC)C=CC=C1CC HKPHPIREJKHECO-UHFFFAOYSA-N 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000010941 cobalt Substances 0.000 description 1
- 229910017052 cobalt Inorganic materials 0.000 description 1
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 1
- 230000002860 competitive effect Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000007872 degassing Methods 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 229960002069 diamorphine Drugs 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 230000000670 limiting effect Effects 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 229910052758 niobium Inorganic materials 0.000 description 1
- GUCVJGMIXFAOAE-UHFFFAOYSA-N niobium atom Chemical compound [Nb] GUCVJGMIXFAOAE-UHFFFAOYSA-N 0.000 description 1
- 230000006911 nucleation Effects 0.000 description 1
- 238000010899 nucleation Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000001953 recrystallisation Methods 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 238000005204 segregation Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 238000009628 steelmaking Methods 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- 238000004381 surface treatment Methods 0.000 description 1
- 229910052715 tantalum Inorganic materials 0.000 description 1
- GUVRBAGPIYLISA-UHFFFAOYSA-N tantalum atom Chemical compound [Ta] GUVRBAGPIYLISA-UHFFFAOYSA-N 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 239000010937 tungsten Substances 0.000 description 1
- 229910052720 vanadium Inorganic materials 0.000 description 1
- LEONUFNNVUYDNQ-UHFFFAOYSA-N vanadium atom Chemical compound [V] LEONUFNNVUYDNQ-UHFFFAOYSA-N 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- 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
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/52—Ferrous alloys, e.g. steel alloys containing chromium with nickel with cobalt
-
- 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
- C21D1/19—Hardening; Quenching with or without subsequent tempering by interrupted quenching
- C21D1/20—Isothermal quenching, e.g. bainitic hardening
-
- 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
- C21D6/00—Heat treatment of ferrous alloys
- C21D6/008—Heat treatment of ferrous alloys containing Si
-
- 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
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/22—Ferrous alloys, e.g. steel alloys containing chromium with molybdenum or tungsten
-
- 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
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/34—Ferrous alloys, e.g. steel alloys containing chromium with more than 1.5% by weight of 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
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/42—Ferrous alloys, e.g. steel alloys containing chromium with nickel with copper
-
- 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
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/44—Ferrous alloys, e.g. steel alloys containing chromium with nickel with molybdenum or tungsten
-
- 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
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/46—Ferrous alloys, e.g. steel alloys containing chromium with nickel with vanadium
-
- 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
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/50—Ferrous alloys, e.g. steel alloys containing chromium with nickel with titanium or zirconium
-
- 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
- C21D2211/00—Microstructure comprising significant phases
- C21D2211/001—Austenite
-
- 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
- C21D2211/00—Microstructure comprising significant phases
- C21D2211/002—Bainite
-
- 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
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/42—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for armour plate
Abstract
.fäbstraet The present invention relates to a super bainite steel cornprising the following elements in Weight- % (Wt- %) C 0.60 to 0.90; Si 1.60 to 3.00; Al 0.10 to 0.80; Mn S 0.90; P 0.03; S :i 0.03; Cr 0.40 to 1.50; Ni 0.05 to 1.50; Mo 0.40 to 1.10; Co < 3.20; V < 0.50; Ti < 0.10; Cu < 0.50; Si+A1 2.1 to 3.1; Balance is Fe and unavoidable impurities. 26
Claims (17)
1. 1. Krav Ett superbainitiskt stål innefattande följ ande legeringselement i vikt-%: C 0,60 till 0,90; Si 1,60 till 3,00; Al 0,10 till 0,80; Mn S 0,90; P S 0,03; S 0,03; Cr 0,40 till 1,50; Ni 0,05 till 1,50; Mo 0,40 till 1,10; Co < 3.20; V < 0,50; Ti < 0,10; Cu < 0,50; Si+Al 2.1 till 3.1; Balansen är Fe och oundvikliga föroreningar.
2. Superbainitstålet enligt krav 1, varvid innehållet av Mn är í0,80 Wt-%, såsom í 0,Wt-%.
3. Superbainitstålet enligt krav 1 eller krav 2, varvid innehållet av Ni är 0,20 till 1,10 vikt-%.
4. Superbainitstålet enligt något av kraven 1 till 3, varvid innehållet av Cu är < 0,30 vikt- %.
5. Superbainitstålet enligt något av kraven 1 till 4, varvid innehållet av Ti är < 0,05 vikt- %.
6. Superbainitstålet enligt något av kraven 1 till 5, varvid innehållet av C är 0,65 till 0,85 vikt-%. ll.
7. Superbainitstålet enligt något av kraven 1 till 6, varvid innehållet av Cr är 0,60 till 1,30 vikt-%.
8. Superbainitstålet enligt något av kraven 1 till 7, varvid innehållet av Mo är 0,65 till 0,95 vikt-%.
9. Superbainitstålet enligt något av kraven 1 till 8, varvid innehållet av Al är 0,10 till 0,50 vikt-%.
10. Superbainitstålet enligt något av kraven 1 till 9, varvid innehållet av Si är 2,00 till 2,60 vikt-%.
11. Superbainitstålet enligt något av kraven 1 till 10, varvid innehållet av Si + Al är inom intervallet 2,3 till 2,8 vikt-%.
12. Superbainitstålet enligt något av kraven 1 till 11, varvid innehållet av Co är 2,00 till 3,10 vikt-%.
13. Superbainitstålet enligt något av kraven 1 till 12, varvid innehållet av V är 0,05 till 0,30 vikt-%.
14. Superbainitstålet enligt något av kraven 1 till 13, där superbainitstålet har en böjpunktstid för den isotermiska bainittransformationen som är mindre än 90 minuter, uppmätt som dilatationen i ett dilatometertest, när det nuvarande superbainitstålet austenitiseras och sedan snabbt kyls till och direkt isotenniskt värmebehandlas vid 250 ° C.
15. En metoden för tillverkning av ett föremål som består av superbainitstål enligt något av kraven 1-14 och som omfattar stegen - smältning av råmaterial, legeringselement och/ eller skrotmaterial varigenom ett smält stål med de elementintervall som anges i kraven 1-13 erhålls; - gjutning av det smälta stålet till ett gjutgods; - varmbearbetning av gjutgodset till ett föremål med önskad form och/eller dimension i ett temperaturområde på 1100-1300 °C,- kylning av föremålet till rumstemperatur; - uppvärmning och austenitisering av föremålet i ett temperaturområde av 850 till 1100 °C, - slåckning av föremålet till den termiska vårmebehandlingstemperaturen för superbainittransformationen; - tennisk vånnebehandling av föremålet i ett temperaturområde som år högre än Ms-temperaturen men under 350 °C tills dess att den önskade superbainitiska mikrostrukturen erhålls; och - kylning av föremål till rumstemperatur.
16. Ett föremål som består av superbainitstålet enligt något av kraven 1 till 14 eller tillverkat enligt processen enligt metoden för krav 15, dår föremålet har en mikrostruktur med en perlithalt som år mindre ån 2,0 % vid rumstemperatur efter kontinuerlig kylning från austenitiserande temperatur till rumstemperatur vid en konstant kylningshastighet av l °C/ s.
17. Föremål enligt krav 16, dår föremålet har en hårdhet (HV1) 2 630 HV1 (SS-EN- ISO 6507) i rumstemperatur efter den isotenniska transfonnationen av den superbainitiska mikrostrukturen vid 250 ° C under 16 timmar.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE2130179A SE544951C2 (en) | 2021-06-29 | 2021-06-29 | A new super bainite steel, method for manufacturing an object of said steel and an object manufactured by the method |
| EP22833755.6A EP4363628A1 (en) | 2021-06-29 | 2022-05-25 | A super bainite steel, an object comprising said steel and a method for manufacturing said object |
| PCT/SE2022/050514 WO2023277754A1 (en) | 2021-06-29 | 2022-05-25 | A super bainite steel, an object comprising said steel and a method for manufacturing said object |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE2130179A SE544951C2 (en) | 2021-06-29 | 2021-06-29 | A new super bainite steel, method for manufacturing an object of said steel and an object manufactured by the method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| SE2130179A1 SE2130179A1 (en) | 2022-12-30 |
| SE544951C2 true SE544951C2 (en) | 2023-02-07 |
Family
ID=84690546
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SE2130179A SE544951C2 (en) | 2021-06-29 | 2021-06-29 | A new super bainite steel, method for manufacturing an object of said steel and an object manufactured by the method |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP4363628A1 (sv) |
| SE (1) | SE544951C2 (sv) |
| WO (1) | WO2023277754A1 (sv) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0978192A (ja) * | 1995-09-13 | 1997-03-25 | Nippon Steel Corp | 遅れ破壊特性の優れた高強度ｐｃ鋼棒およびその製造方法 |
| US5846344A (en) * | 1993-11-04 | 1998-12-08 | Kabushiki Kaisha Kobe Seiko Sho | Spring steel of high strength and high corrosion resistance |
| GB2352726A (en) * | 1999-08-04 | 2001-02-07 | Secr Defence | A steel and a heat treatment for steels |
| JP2006104551A (ja) * | 2004-10-08 | 2006-04-20 | Nippon Steel Corp | 疲労特性に優れた高強度機械部品およびその疲労特性向上方法 |
-
2021
- 2021-06-29 SE SE2130179A patent/SE544951C2/en unknown
-
2022
- 2022-05-25 EP EP22833755.6A patent/EP4363628A1/en active Pending
- 2022-05-25 WO PCT/SE2022/050514 patent/WO2023277754A1/en active Application Filing
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5846344A (en) * | 1993-11-04 | 1998-12-08 | Kabushiki Kaisha Kobe Seiko Sho | Spring steel of high strength and high corrosion resistance |
| JPH0978192A (ja) * | 1995-09-13 | 1997-03-25 | Nippon Steel Corp | 遅れ破壊特性の優れた高強度ｐｃ鋼棒およびその製造方法 |
| GB2352726A (en) * | 1999-08-04 | 2001-02-07 | Secr Defence | A steel and a heat treatment for steels |
| JP2006104551A (ja) * | 2004-10-08 | 2006-04-20 | Nippon Steel Corp | 疲労特性に優れた高強度機械部品およびその疲労特性向上方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2023277754A1 (en) | 2023-01-05 |
| SE2130179A1 (en) | 2022-12-30 |
| EP4363628A1 (en) | 2024-05-08 |
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