DK2252717T3 - Stål, fremgangsmåde for fremstilling af et stål og fremgangsmåde for fremstilling af en komponent af stålet - Google Patents
Stål, fremgangsmåde for fremstilling af et stål og fremgangsmåde for fremstilling af en komponent af stålet Download PDFInfo
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- DK2252717T3 DK2252717T3 DK09723431.4T DK09723431T DK2252717T3 DK 2252717 T3 DK2252717 T3 DK 2252717T3 DK 09723431 T DK09723431 T DK 09723431T DK 2252717 T3 DK2252717 T3 DK 2252717T3
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- Prior art keywords
- steel
- max
- carbides
- steel according
- hardness
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- 229910000831 Steel Inorganic materials 0.000 title claims description 256
- 239000010959 steel Substances 0.000 title claims description 256
- 238000000034 method Methods 0.000 title claims description 14
- 230000008569 process Effects 0.000 title claims description 8
- 238000004519 manufacturing process Methods 0.000 title description 27
- 239000000463 material Substances 0.000 claims description 45
- 150000001247 metal acetylides Chemical class 0.000 claims description 34
- 239000011159 matrix material Substances 0.000 claims description 19
- 229910052750 molybdenum Inorganic materials 0.000 claims description 19
- 239000000203 mixture Substances 0.000 claims description 18
- 229910052799 carbon Inorganic materials 0.000 claims description 16
- 238000001816 cooling Methods 0.000 claims description 16
- 229910052759 nickel Inorganic materials 0.000 claims description 14
- 229910052804 chromium Inorganic materials 0.000 claims description 12
- 238000010438 heat treatment Methods 0.000 claims description 12
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 10
- 229910000734 martensite Inorganic materials 0.000 claims description 10
- 229910052710 silicon Inorganic materials 0.000 claims description 10
- 239000012535 impurity Substances 0.000 claims description 9
- 229910052748 manganese Inorganic materials 0.000 claims description 9
- 229910052720 vanadium Inorganic materials 0.000 claims description 9
- 239000000155 melt Substances 0.000 claims description 7
- 230000009467 reduction Effects 0.000 claims description 6
- 229910052742 iron Inorganic materials 0.000 claims description 5
- 238000005480 shot peening Methods 0.000 claims description 5
- -1 M3C carbides Chemical class 0.000 claims description 4
- 238000000137 annealing Methods 0.000 claims description 4
- 238000005266 casting Methods 0.000 claims description 4
- 239000000126 substance Substances 0.000 claims description 4
- 229910052717 sulfur Inorganic materials 0.000 claims description 3
- 239000000161 steel melt Substances 0.000 claims description 2
- 230000007704 transition Effects 0.000 claims description 2
- 235000019589 hardness Nutrition 0.000 description 60
- 238000012360 testing method Methods 0.000 description 58
- 238000005520 cutting process Methods 0.000 description 53
- 238000005496 tempering Methods 0.000 description 43
- 238000003801 milling Methods 0.000 description 23
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 22
- 239000012925 reference material Substances 0.000 description 18
- 230000001965 increasing effect Effects 0.000 description 15
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 13
- 229910001566 austenite Inorganic materials 0.000 description 13
- 239000011733 molybdenum Substances 0.000 description 13
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 11
- 239000005864 Sulphur Substances 0.000 description 11
- 239000011651 chromium Substances 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
- 239000011572 manganese Substances 0.000 description 9
- 230000000717 retained effect Effects 0.000 description 9
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 8
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 8
- 229910052802 copper Inorganic materials 0.000 description 8
- 238000005553 drilling Methods 0.000 description 8
- 238000010586 diagram Methods 0.000 description 7
- LEONUFNNVUYDNQ-UHFFFAOYSA-N vanadium atom Chemical group [V] LEONUFNNVUYDNQ-UHFFFAOYSA-N 0.000 description 7
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 6
- 229910045601 alloy Inorganic materials 0.000 description 6
- 239000000956 alloy Substances 0.000 description 6
- 239000011575 calcium Substances 0.000 description 6
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 230000002349 favourable effect Effects 0.000 description 5
- 238000003754 machining Methods 0.000 description 5
- 238000010137 moulding (plastic) Methods 0.000 description 5
- 230000004044 response Effects 0.000 description 5
- 239000010703 silicon Substances 0.000 description 5
- 229910052782 aluminium Inorganic materials 0.000 description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 4
- 230000008901 benefit Effects 0.000 description 4
- 230000006835 compression Effects 0.000 description 4
- 238000007906 compression Methods 0.000 description 4
- 238000005121 nitriding Methods 0.000 description 4
- 239000000047 product Substances 0.000 description 4
- 239000003923 scrap metal Substances 0.000 description 4
- 239000002893 slag Substances 0.000 description 4
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
- 229910052791 calcium Inorganic materials 0.000 description 3
- LKIUTDSMFUMDHS-UHFFFAOYSA-N calcium oxygen(2-) silicon(4+) Chemical class [Si+4].[O-2].[Ca+2].[O-2].[O-2] LKIUTDSMFUMDHS-UHFFFAOYSA-N 0.000 description 3
- 239000010941 cobalt Substances 0.000 description 3
- 229910017052 cobalt Inorganic materials 0.000 description 3
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 3
- 238000005242 forging Methods 0.000 description 3
- 230000006698 induction Effects 0.000 description 3
- 239000010955 niobium Substances 0.000 description 3
- GUCVJGMIXFAOAE-UHFFFAOYSA-N niobium atom Chemical compound [Nb] GUCVJGMIXFAOAE-UHFFFAOYSA-N 0.000 description 3
- 239000001301 oxygen Substances 0.000 description 3
- 229910052760 oxygen Inorganic materials 0.000 description 3
- 230000000087 stabilizing effect Effects 0.000 description 3
- 238000009864 tensile test Methods 0.000 description 3
- 239000010936 titanium Substances 0.000 description 3
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 3
- 229910052721 tungsten Inorganic materials 0.000 description 3
- 239000010937 tungsten Substances 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 229910000997 High-speed steel Inorganic materials 0.000 description 2
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 2
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 description 2
- QEQZNLVOHQQDDK-UHFFFAOYSA-N [Ca+2].[Si+4].[O-2].[Al+3] Chemical class [Ca+2].[Si+4].[O-2].[Al+3] QEQZNLVOHQQDDK-UHFFFAOYSA-N 0.000 description 2
- 239000004411 aluminium Substances 0.000 description 2
- 229910001563 bainite Inorganic materials 0.000 description 2
- 238000005098 hot rolling Methods 0.000 description 2
- 230000001771 impaired effect Effects 0.000 description 2
- VCTOKJRTAUILIH-UHFFFAOYSA-N manganese(2+);sulfide Chemical class [S-2].[Mn+2] VCTOKJRTAUILIH-UHFFFAOYSA-N 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910052758 niobium Inorganic materials 0.000 description 2
- 235000019362 perlite Nutrition 0.000 description 2
- 239000010451 perlite Substances 0.000 description 2
- 229910052761 rare earth metal Inorganic materials 0.000 description 2
- 150000002910 rare earth metals Chemical class 0.000 description 2
- 238000010583 slow cooling Methods 0.000 description 2
- 229910052719 titanium Inorganic materials 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- 229910052726 zirconium Inorganic materials 0.000 description 2
- 229910052582 BN Inorganic materials 0.000 description 1
- PZNSFCLAULLKQX-UHFFFAOYSA-N Boron nitride Chemical compound N#B PZNSFCLAULLKQX-UHFFFAOYSA-N 0.000 description 1
- 101100129500 Caenorhabditis elegans max-2 gene Proteins 0.000 description 1
- 239000002970 Calcium lactobionate Substances 0.000 description 1
- 229910052684 Cerium Inorganic materials 0.000 description 1
- 241001313185 Colias hecla Species 0.000 description 1
- 238000002441 X-ray diffraction Methods 0.000 description 1
- 229910002065 alloy metal Inorganic materials 0.000 description 1
- 238000005275 alloying Methods 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 229910021386 carbon form Inorganic materials 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- GWXLDORMOJMVQZ-UHFFFAOYSA-N cerium Chemical compound [Ce] GWXLDORMOJMVQZ-UHFFFAOYSA-N 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 238000012669 compression test Methods 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 238000004512 die casting Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000009661 fatigue test Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 229910052746 lanthanum Inorganic materials 0.000 description 1
- FZLIPJUXYLNCLC-UHFFFAOYSA-N lanthanum atom Chemical compound [La] FZLIPJUXYLNCLC-UHFFFAOYSA-N 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000005204 segregation Methods 0.000 description 1
- 238000009718 spray deposition Methods 0.000 description 1
- 239000002436 steel type Substances 0.000 description 1
- CADICXFYUNYKGD-UHFFFAOYSA-N sulfanylidenemanganese Chemical compound [Mn]=S CADICXFYUNYKGD-UHFFFAOYSA-N 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 238000004381 surface treatment Methods 0.000 description 1
- 239000011800 void material Substances 0.000 description 1
- 229910000859 α-Fe Inorganic materials 0.000 description 1
Classifications
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- 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
- 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
- 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
- C21D6/004—Heat treatment of ferrous alloys containing Cr and Ni
-
- 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
- C21D6/005—Heat treatment of ferrous alloys containing Mn
-
- 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
- C21D6/02—Hardening by precipitation
-
- 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
- C21D9/22—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for drills; for milling cutters; for machine cutting tools
-
- 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
- C22C38/001—Ferrous alloys, e.g. steel alloys containing N
-
- 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
- C22C38/002—Ferrous alloys, e.g. steel alloys containing In, Mg, or other elements not provided for in one single group C22C38/001 - C22C38/60
-
- 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
- C22C38/005—Ferrous alloys, e.g. steel alloys containing rare earths, i.e. Sc, Y, Lanthanides
-
- 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
- C22C38/40—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
- C22C38/46—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
- C22C38/60—Ferrous alloys, e.g. steel alloys containing lead, selenium, tellurium, or antimony, or more than 0.04% by weight of sulfur
-
- 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
- C21D2211/004—Dispersions; Precipitations
-
- 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
- C21D2211/008—Martensite
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49995—Shaping one-piece blank by removing material
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- 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)
- Heat Treatment Of Articles (AREA)
- Carbon Steel Or Casting Steel Manufacturing (AREA)
- Cutting Tools, Boring Holders, And Turrets (AREA)
Claims (17)
1
1. Stål med en kemisk sammensætning, der indeholder i vægt-%: C 0,25 - 0,5 Si 0,1-1,5 Mn 0,6-2,0 S max. 0,2 Cr 1,5-4 Ni 3,0-5,0 Mo 0,7-1,0 V 0,6-1,0 eventuelt REM < 0,4 Ca 5-75 ppm O 10-100 ppm Al 0,003 - 0,020 rest jern og urenheder i normale indhold.
2. Stål ifølge krav 1, kendetegnet ved, at det indeholder mindst 0,28% C og max. 0,40%, fortrinsvis max. 0,32% C.
3. Stål ifølge krav 1, kendetegnet ved, at det indeholder mindst 0,3%, fortrinsvis mindst 0,4% Si, og max. 1,0%, fortrinsvis max. 0,8%, og endnu mere foretrukket max. 0,6% Si.
4. Stål ifølge krav 1, kendetegnet ved, at det indeholder mindst 1,0% Mn, og max. 1,5%, fortrinsvis max. 1,3% Mn.
5. Stål ifølge krav 1, kendetegnet ved, at det indeholder mindst 1,9%, fortrinsvis mindst 2,2% Cr og max. 3,0%, fortrinsvis max. 2,6% Cr.
6. Stål ifølge krav 1, kendetegnet ved, at det indeholder mindst 3,8% Ni og max. 4,5%, fortrinsvis max. 4,1% Ni. 2
7. Stål ifølge krav 1, kendetegnet ved, at det indeholder mindst 0,75% Mo og max. 1,0% Mo.
8. Stål ifølge krav 1, kendetegnet ved, at det indeholder mindst 0,7% V og max. 1,0% V.
9. Stål ifølge krav 1, kendetegnet ved, at det indeholder mindst 0,010%, fortrinsvis mindst 0,015%, og endnu mere foretrukket mindst 0,025% S og max. 0,15%, fortrinsvis max. 0,10%, og endnu mere foretrukket max. 0,035% S.
10. Stål ifølge krav 1, kendetegnet ved, at det indeholder 5 til 50 ppm Ca og 30 til 50 ppm O.
11. Stål ifølge krav 1, kendetegnet ved, at det i dets hærdede og anløbne tilstand har en matrix omfattende anløbet martensit med et indhold på op til 2 vol.-% af jævnt fordelte karbider, hvor op til 1 Vol.-% af nævnte karbider er primært udfældede MC- og M6C karbider og hvor op til 1 Vol.-% af nævnte karbider er sekundært udfældede MC, M2C og/eller M3C karbider, og hvilken matrix er fri for korngrænsekarbider.
12. Stål ifølge krav 1, kendetegnet ved, at det i dets blød-udglødede tilstand har en matrix omfattende overaged martensit med et indhold på op til ca. 5 vol.-% af i det væsentlige runde, jævnt fordelte karbider, hvilken matrix er i det væsentlige fri for korngrænsekarbider.
13. Stål ifølge krav 1, kendetegnet ved, at det ikke har en duktil-sprød overgangstemperatur ved temperaturer over -40 °C.
14. Stål ifølge krav 1, kendetegnet ved, at det har en V30 værdi på mindst 150 m/min, fortrinsvis mindst 170 m/min i blød-udglødet tilstand. 3
15. Stål ifølge krav 1, kendetegnet ved, at det har en hærdningsmodstand, der tilvejebringer en reduktion i hårdhed på mindre end 15 HRC enheder efter varmebehandling i 50 timer ved henholdsvis 500 °C og 650 °C.
16. Stål ifølge krav 1, kendetegnet ved, at den maksimale amplitude for trykspænding i overfladen er mindst 800 MPa efter skud peening med stålkugler med en hårdhed på 700 HV ved et tryk på 4 bar, og at trykspændingerne introduceres til en dybde på mindst 100 μηη, og at restamplituden for trykspænding efter varmebehandling ved 650 °C i 2 timer er mindst 300 MPa, fortrinsvis mindst 350 MPa, og at mindst 70% af introducerede trykspændinger forbliver i overfladen af materialet efter varmebehandling ved 400 °C i 2 timer, og at mindst 40% af introducerede spændinger forbliver i overfladen af materialet efter varmebehandling ved 650 °C i 2 timer.
17. Fremgangsmåde til fremstilling af et stålemne, kendetegnet ved, at den omfatter følgende procestrin: fremstilling af en stålsmelte med en kemisk sammensætning som defineret i ethvert af kravene 1 -10; - støbning af smelten til en barre; - varmbearbejdning af barren ved en temperatur på 800 til 1300 °C, fortrinsvis 1150-1250 °C, for at opnå et emne med en dimension på op til ca. 0 1000 mm; - afkøling af emnet til en temperatur på 20 til 200 °C, fortrinsvis 20 til 100 °C, hvor en hærdning af stålet opnås; - anløbning af emnet to gange i 2 timer (2x2 timer) med mellemliggende køling, enten som lavtemperaturanløbning ved en temperatur på 180 til 400 °C eller som højtemperaturanløbning ved en temperatur på 500 til 700 °C, hvor et stålemne opnås, der har en matrix, som omfatter anløbet martensit, hvilken matrix har et indhold på op til 2 vol.-% af runde, jævnt fordelte karbider, og hvilken matrix er fri for korngrænsekarbider.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
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| SE0800627A SE533283C2 (sv) | 2008-03-18 | 2008-03-18 | Stål, process för tillverkning av ett stålämne samt process för tillverkning av en detalj av stålet |
| PCT/SE2009/050269 WO2009116933A1 (en) | 2008-03-18 | 2009-03-17 | Steel, process for the manufacture of a steel blank and process for the manufacture of a component of the steel |
Publications (1)
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| DK2252717T3 true DK2252717T3 (da) | 2015-10-05 |
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| JP (1) | JP5618978B2 (da) |
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| CN (1) | CN101978088B (da) |
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| CA (1) | CA2716983C (da) |
| DK (1) | DK2252717T3 (da) |
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| SE (1) | SE533283C2 (da) |
| TW (1) | TWI444484B (da) |
| WO (1) | WO2009116933A1 (da) |
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| RU2532662C1 (ru) * | 2013-09-18 | 2014-11-10 | Российская Федерация, от имени которой выступает Министерство промышленности и торговли Российской Федерации (Минпромторг РФ) | Сталь |
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| RU2674540C2 (ru) * | 2014-01-16 | 2018-12-11 | Уддехольмс АБ | Нержавеющая сталь и корпус режущего инструмента, изготовленный из нержавеющей стали |
| RU2547978C1 (ru) * | 2014-03-19 | 2015-04-10 | Игорь Владимирович Доронин | Способ термического улучшения инструмента |
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| KR102235612B1 (ko) | 2015-01-29 | 2021-04-02 | 삼성전자주식회사 | 일-함수 금속을 갖는 반도체 소자 및 그 형성 방법 |
| DE102015224708A1 (de) * | 2015-03-02 | 2016-09-08 | Continental Teves Ag & Co. Ohg | Steuergerät und Verfahren für ein Kraftfahrzeugbremssystem |
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| RU2611250C1 (ru) * | 2015-11-25 | 2017-02-21 | федеральное государственное бюджетное образовательное учреждение высшего образования "Алтайский государственный технический университет им. И.И. Ползунова" (АлтГТУ) | Инструментальная сталь |
| CN105499941A (zh) * | 2015-12-22 | 2016-04-20 | 江苏保捷锻压有限公司 | 汽车主减速器从动齿轮锻件锻压工艺及锻件钢材料 |
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| CN106435389B (zh) * | 2016-06-20 | 2018-10-12 | 中国神华能源股份有限公司 | 一种合金、液压支架连接头及其制备方法 |
| CN105950996A (zh) * | 2016-06-20 | 2016-09-21 | 安徽省瑞杰锻造有限责任公司 | 盾构机刀圈材料工艺 |
| TWI756226B (zh) | 2016-06-30 | 2022-03-01 | 瑞典商伍德赫爾恩股份有限公司 | 用於工具架之鋼 |
| CN106625903A (zh) * | 2016-10-20 | 2017-05-10 | 合肥海宝节能科技有限公司 | 切刀的成型材料 |
| CA3053396C (en) | 2017-03-01 | 2022-08-09 | Ak Steel Properties, Inc. | Press hardened steel with extremely high strength |
| CN107419181A (zh) * | 2017-07-15 | 2017-12-01 | 滁州凯旋模具制造有限公司 | 一种汽车零部件防开裂拉伸模 |
| CN110724873A (zh) * | 2018-07-17 | 2020-01-24 | 宝钢特钢有限公司 | 一种高耐磨模锻模具钢及其制造方法 |
| CN109112265A (zh) * | 2018-11-14 | 2019-01-01 | 江苏万达新能源科技股份有限公司 | 一种用于锂电池分切机的高速钢 |
| CN111434466A (zh) * | 2019-01-15 | 2020-07-21 | 米沃奇电动工具公司 | 驱动器刀片 |
| JP2020132891A (ja) * | 2019-02-12 | 2020-08-31 | 山陽特殊製鋼株式会社 | 熱伝導率に優れる金型用鋼 |
| RU2750299C2 (ru) * | 2019-10-10 | 2021-06-25 | Акционерное общество "Научно-производственное объединение "Центральный научно-исследовательский институт технологии машиностроения", АО "НПО "ЦНИИТМАШ" | Способ термической обработки отливки из высокопрочной износостойкой стали (варианты) |
| CN111500928B (zh) * | 2020-04-26 | 2021-06-18 | 北京科技大学 | 一种低温高韧高温高强及高淬透性热模钢及制备技术 |
| RU2746598C1 (ru) * | 2020-05-12 | 2021-04-16 | Открытое Акционерное Общество "Тяжпрессмаш" | Хладостойкая высокопрочная сталь |
| CN114790530B (zh) * | 2021-01-26 | 2024-03-08 | 宝山钢铁股份有限公司 | 一种高塑性超高强钢板及其制造方法 |
| CN114318151B (zh) * | 2021-12-30 | 2022-11-01 | 安徽华天机械股份有限公司 | 一种高强度汽车冷轧卷材分切刀片用钢材料及制备工艺 |
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| JPS5426975B2 (da) * | 1974-03-23 | 1979-09-07 | ||
| JPS5456913A (en) * | 1977-10-15 | 1979-05-08 | Daido Steel Co Ltd | Steel for hot rolling mold |
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| JPH0796696B2 (ja) * | 1987-02-17 | 1995-10-18 | 大同特殊鋼株式会社 | 合金工具鋼 |
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| SE529809C2 (sv) * | 2006-04-06 | 2007-11-27 | Uddeholm Tooling Ab | Varmarbetsstål |
-
2008
- 2008-03-18 SE SE0800627A patent/SE533283C2/sv unknown
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- 2009-03-17 US US12/920,032 patent/US8562761B2/en not_active Expired - Fee Related
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- 2009-03-17 JP JP2011500734A patent/JP5618978B2/ja not_active Expired - Fee Related
- 2009-03-17 WO PCT/SE2009/050269 patent/WO2009116933A1/en active Application Filing
- 2009-03-17 HU HUE09723431A patent/HUE025779T2/en unknown
- 2009-03-17 DK DK09723431.4T patent/DK2252717T3/da active
- 2009-03-17 RU RU2010137812/02A patent/RU2496907C2/ru not_active IP Right Cessation
- 2009-03-17 KR KR1020107023272A patent/KR101612087B1/ko active IP Right Grant
- 2009-03-17 CA CA2716983A patent/CA2716983C/en not_active Expired - Fee Related
- 2009-03-17 CN CN200980109836.2A patent/CN101978088B/zh not_active Expired - Fee Related
- 2009-03-17 BR BRPI0909133-5A patent/BRPI0909133A2/pt active Search and Examination
- 2009-03-17 ES ES09723431.4T patent/ES2554994T3/es active Active
- 2009-03-17 EP EP09723431.4A patent/EP2252717B1/en not_active Not-in-force
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- 2009-03-18 TW TW098108697A patent/TWI444484B/zh not_active IP Right Cessation
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Also Published As
| Publication number | Publication date |
|---|---|
| JP5618978B2 (ja) | 2014-11-05 |
| CN101978088B (zh) | 2014-09-24 |
| CN101978088A (zh) | 2011-02-16 |
| KR101612087B1 (ko) | 2016-04-12 |
| KR20100132529A (ko) | 2010-12-17 |
| EP2252717A1 (en) | 2010-11-24 |
| US20110000587A1 (en) | 2011-01-06 |
| WO2009116933A1 (en) | 2009-09-24 |
| CA2716983A1 (en) | 2009-09-24 |
| HK1148791A1 (en) | 2011-09-16 |
| ES2554994T3 (es) | 2015-12-28 |
| IL207870A (en) | 2015-06-30 |
| CA2716983C (en) | 2016-06-21 |
| SE533283C2 (sv) | 2010-08-10 |
| EP2252717B1 (en) | 2015-09-02 |
| RU2496907C2 (ru) | 2013-10-27 |
| IL207870A0 (en) | 2010-12-30 |
| BRPI0909133A2 (pt) | 2019-02-26 |
| EP2252717A4 (en) | 2014-10-01 |
| WO2009116933A9 (en) | 2009-11-19 |
| PT2252717E (pt) | 2015-11-04 |
| US8562761B2 (en) | 2013-10-22 |
| JP2011517729A (ja) | 2011-06-16 |
| HUE025779T2 (en) | 2016-05-30 |
| RU2010137812A (ru) | 2012-04-27 |
| TWI444484B (zh) | 2014-07-11 |
| SE0800627L (sv) | 2009-09-19 |
| TW200944599A (en) | 2009-11-01 |
| PL2252717T3 (pl) | 2016-01-29 |
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