EP3105358B1 - Verfahren zur herstellung einer titanfreien legierung - Google Patents
Verfahren zur herstellung einer titanfreien legierung Download PDFInfo
- Publication number
- EP3105358B1 EP3105358B1 EP15716712.3A EP15716712A EP3105358B1 EP 3105358 B1 EP3105358 B1 EP 3105358B1 EP 15716712 A EP15716712 A EP 15716712A EP 3105358 B1 EP3105358 B1 EP 3105358B1
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- max
- alloy
- titanium
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- 229910045601 alloy Inorganic materials 0.000 title claims description 40
- 239000000956 alloy Substances 0.000 title claims description 40
- 238000000034 method Methods 0.000 title claims description 8
- 229910052750 molybdenum Inorganic materials 0.000 claims description 19
- 229910052804 chromium Inorganic materials 0.000 claims description 16
- 229910052759 nickel Inorganic materials 0.000 claims description 14
- 229910052802 copper Inorganic materials 0.000 claims description 11
- 229910052742 iron Inorganic materials 0.000 claims description 11
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 claims description 10
- 229910052748 manganese Inorganic materials 0.000 claims description 10
- 239000011733 molybdenum Substances 0.000 claims description 10
- 229910052710 silicon Inorganic materials 0.000 claims description 10
- 238000004519 manufacturing process Methods 0.000 claims description 9
- 229910052782 aluminium Inorganic materials 0.000 claims description 8
- 239000012535 impurity Substances 0.000 claims description 8
- 229910052717 sulfur Inorganic materials 0.000 claims description 7
- 238000000137 annealing Methods 0.000 claims description 6
- 229910052757 nitrogen Inorganic materials 0.000 claims description 6
- 229910052749 magnesium Inorganic materials 0.000 claims description 5
- 229910052720 vanadium Inorganic materials 0.000 claims description 5
- 238000005266 casting Methods 0.000 claims description 4
- 229910052758 niobium Inorganic materials 0.000 claims description 4
- 238000005204 segregation Methods 0.000 claims description 3
- 229910052751 metal Inorganic materials 0.000 claims 1
- 239000002184 metal Substances 0.000 claims 1
- 150000002739 metals Chemical class 0.000 claims 1
- 239000011651 chromium Substances 0.000 description 18
- PXHVJJICTQNCMI-UHFFFAOYSA-N nickel Substances [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 16
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 15
- 238000005260 corrosion Methods 0.000 description 12
- 230000007797 corrosion Effects 0.000 description 12
- 239000010949 copper Substances 0.000 description 10
- 239000000203 mixture Substances 0.000 description 8
- 239000010936 titanium Substances 0.000 description 7
- 229910052719 titanium Inorganic materials 0.000 description 7
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 5
- 229910052799 carbon Inorganic materials 0.000 description 4
- 238000000265 homogenisation Methods 0.000 description 4
- 238000009864 tensile test Methods 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- 239000011777 magnesium Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 229910052698 phosphorus Inorganic materials 0.000 description 3
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000003921 oil Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 230000008092 positive effect Effects 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 229910052721 tungsten Inorganic materials 0.000 description 2
- 229910000851 Alloy steel Inorganic materials 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910017060 Fe Cr Inorganic materials 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- 229910000676 Si alloy Inorganic materials 0.000 description 1
- 229910004298 SiO 2 Inorganic materials 0.000 description 1
- 238000003723 Smelting Methods 0.000 description 1
- UIFMYTNHGZJQOH-UHFFFAOYSA-N [Si].[Cr].[Ni].[Fe] Chemical compound [Si].[Cr].[Ni].[Fe] UIFMYTNHGZJQOH-UHFFFAOYSA-N 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 229910000963 austenitic stainless steel Inorganic materials 0.000 description 1
- 238000009749 continuous casting Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005242 forging Methods 0.000 description 1
- 229910052735 hafnium Inorganic materials 0.000 description 1
- 238000005098 hot rolling Methods 0.000 description 1
- 229910052746 lanthanum Inorganic materials 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 238000005482 strain hardening Methods 0.000 description 1
- 229910052715 tantalum Inorganic materials 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
- 229910052726 zirconium Inorganic materials 0.000 description 1
Classifications
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- 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
- C21D9/52—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for wires; for strips ; for rods of unlimited length
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- 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
- C21D1/26—Methods of annealing
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- 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
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- 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 by deformation combined with, or followed by, heat treatment
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- 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 by deformation combined with, or followed by, heat treatment
- C21D8/005—Modifying the physical properties by deformation combined with, or followed by, heat treatment of ferrous alloys
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- 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 by deformation combined with, or followed by, heat treatment
- C21D8/02—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
- C21D8/021—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips involving a particular fabrication or treatment of ingot or slab
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- 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 by deformation combined with, or followed by, heat treatment
- C21D8/02—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
- C21D8/0221—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the working steps
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- 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 by deformation combined with, or followed by, heat treatment
- C21D8/02—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
- C21D8/0221—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the working steps
- C21D8/0226—Hot rolling
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- 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 by deformation combined with, or followed by, heat treatment
- C21D8/02—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
- C21D8/0247—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the heat treatment
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- 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 by deformation combined with, or followed by, heat treatment
- C21D8/02—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
- C21D8/0247—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the heat treatment
- C21D8/0263—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the heat treatment following hot rolling
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- 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 by deformation combined with, or followed by, heat treatment
- C21D8/10—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of tubular bodies
- C21D8/105—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of tubular bodies of ferrous alloys
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- 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
- C21D9/0068—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for particular articles not mentioned below
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- 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
- C21D9/0081—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for slabs; for billets
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- 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
- C21D9/08—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for tubular bodies or pipes
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- 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
- C21D9/46—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for sheet metals
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C1/00—Making non-ferrous alloys
- C22C1/02—Making non-ferrous alloys by melting
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C19/00—Alloys based on nickel or cobalt
- C22C19/03—Alloys based on nickel or cobalt based on nickel
- C22C19/05—Alloys based on nickel or cobalt based on nickel with chromium
- C22C19/051—Alloys based on nickel or cobalt based on nickel with chromium and Mo or W
- C22C19/055—Alloys based on nickel or cobalt based on nickel with chromium and Mo or W with the maximum Cr content being at least 20% but less than 30%
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- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C30/00—Alloys containing less than 50% by weight of each constituent
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- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C30/00—Alloys containing less than 50% by weight of each constituent
- C22C30/02—Alloys containing less than 50% by weight of each constituent containing copper
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- 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
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- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/004—Very low carbon steels, i.e. having a carbon content of less than 0,01%
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- 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
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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
- C22C38/04—Ferrous alloys, e.g. steel alloys containing manganese
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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
- C22C38/06—Ferrous alloys, e.g. steel alloys containing aluminium
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- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/08—Ferrous alloys, e.g. steel alloys containing nickel
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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
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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
- C22C38/20—Ferrous alloys, e.g. steel alloys containing chromium with copper
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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
- C22C38/22—Ferrous alloys, e.g. steel alloys containing chromium with molybdenum or tungsten
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- 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
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- C—CHEMISTRY; METALLURGY
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- 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
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- C—CHEMISTRY; METALLURGY
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- 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
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- C—CHEMISTRY; METALLURGY
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- 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
- C22C38/48—Ferrous alloys, e.g. steel alloys containing chromium with nickel with niobium or tantalum
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- 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
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- 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
- C22C38/54—Ferrous alloys, e.g. steel alloys containing chromium with nickel with boron
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22F—CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
- C22F1/00—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
- C22F1/10—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of nickel or cobalt or alloys based thereon
Definitions
- the invention relates to a method for producing a titanium-free alloy with high pitting and crevice corrosion resistance and high yield strength and strength in the work-hardened state.
- the highly corrosion-resistant alloy Alloy 825 is mainly used in the chemical industry and offshore technology. It is marketed under the material number 2.4858 and has the following chemical composition: C ⁇ 0.025%, S ⁇ 0.015%, Cr 19.5-23.5%, Ni 28-46%, Mn ⁇ 1%, Si ⁇ 0.5% , Mo 2.5-3.5%, Ti 0.6-1.2%, Cu 1.5-3%, Al ⁇ 0.2%, Co ⁇ 1%, Fe balance.
- the alloy Alloy 825 is a titanium-stabilized material.
- titanium can cause problems, especially in continuous casting, since it reacts with the SiO 2 of the casting powder (Problem 3). It would be desirable to avoid the element titanium, but this leads to a significant increase in the edge crack tendency.
- the JP 61288041 A1 refers to an alloy of the following composition: C ⁇ 0,045%, S ⁇ 0,03%, N 0,005 - 0,2%, Cr 14 - 26%, Mn ⁇ 1%, Si ⁇ 1%, Mo ⁇ 8%, Cu ⁇ 2 %, Fe ⁇ 25%, Al ⁇ 2%, B 0.001 - 0.1%, Mg 0.005 - 0.5%, remainder Ni.
- the content of Nb is generated by a formula.
- at least one of the elements Ti, Al, Zr, W, Ta, V, Hf may be contained in contents ⁇ 2.
- the US 2,777,766 discloses an alloy of the following composition: C ⁇ 0.25%, Cr 18-25%, Ni 35-50%, Mo 2-12%, Nb 0.1-5%, Cu up to 2.5%, W up to 5% , Fe remainder (at least 15%).
- GB 2123031 A is an austenitic high nickel-containing alloy of the following composition: ⁇ 0.05% C, ⁇ 0.04 N, ⁇ 1.0% Si, ⁇ 1.0% Mn, 35-45% Ni, 20-30% Cr, 4 - 7% Mo, balance iron and unavoidable impurities, where Cr + 3 Mo is at least 40%.
- an austenitic stainless steel which has the following composition (in% by weight):> 0.05-0.15% C, ⁇ 2% Si, 0.1-3% Mn, ⁇ 0.04% P, ⁇ 0.01% S,> 20 - ⁇ 28% Cr,> 15 - 55% Ni,> 2 to 6% Cu, 0.1 - 0.8% Nb, 0.02 - 1.5% V, 0.001 - 0.1% Al,> 0.05 - 0.3% N, ⁇ 0.006% O, balance iron and impurities.
- the EP 2163655 A1 describes a method for producing a high alloy steel pipe.
- the following alloy is to be formed into a tube by multi-stage hot and cold forming processes: ⁇ 0.03% C, ⁇ 1.0% Si, 0.05 - 1.5% Mn, ⁇ 0.03% P, ⁇ 0.03 % S,> 22 - ⁇ 40% Ni, 20 - 30% Cr,> 0.01 - ⁇ 4.0% Mo, 0 - 4% Cu, 0.001 - 0.3% Al,> 0.05 - ⁇ 0 , 3% N, ⁇ 0.01% O, balance iron and impurities.
- a suitable embodiment of the alloy has the following composition (in% by weight) C Max. 0.015% S Max. 0.005% N Max. 0.02% Cr 21.0 - ⁇ 23% Ni > 39.0 - ⁇ 43.0% Mn 0,5 - 0,9% Si 0.2 - ⁇ 0.5% Not a word > 4.5-6.5% Nb Max. 0.15% Cu > 1.6 - ⁇ 2.3% al 0.06 - ⁇ 0.25% Co Max. 0.5% B 0.002 - 0.004% mg 0.006 - 0.015% Fe Remainder as well as smelting-related impurities
- the chromium content can be modified as follows: Cr > 21.5 - ⁇ 23% Cr 22.0 - ⁇ 23%
- the molybdenum content can be modified as follows: Not a word > 5 - ⁇ 6.5% Not a word > 5 - ⁇ 6.2%
- the content of copper can, if necessary, still be set as follows: Cu > 1.6 - ⁇ 2.0%
- the alloy may still contain the element V in contents (in wt.) V > 0 - 1.0% V 0.2 - 0.7% be added.
- the iron content in the alloy according to the invention should be> 22%.
- the PRE total in terms of corrosion resistance of Alloy 825 is PRE 33 and is very low compared to other alloys.
- Table 2 shows the active quantities PRE according to the prior art. Table 2: Sum of PRE for various prior art alloys Alloy Ni Fe Cr Not a word Other PRE Duplex 2205 5.5 rest 22 3 0.15 N 37 825 40 31 23 3.2 33 28 31 35 27 3.5 1.3 Cu 38 926 25 rest 19 6 0.16 N 47
- Table 3 shows the results of various pitting corrosion studies.
- the reduced titanium content has no negative influence on the pitting corrosion temperature.
- the increased molybdenum content has positive effects.
- Table 3 Critical pitting corrosion temperature in 6% FeCl 3 3 /% + 1% HCL, over 72 hours (ASTM G-48 Method C).
- Figures 1 and 2 below show results of tensile tests on the one hand of the reference alloy Alloy 825 and on the other hand of alternative alloys.
- Molybdenum has a positive effect on yield strength and strength.
- Figures 3 and 4 illustrate the positive influence of Molydbän.
- the alloy can also be produced by ESR / VAR remelting.
- the inventive method is intended to be used for the production of a component in the oil and gas industry.
- Table 6 contrasts Alloy 825 (standard) with two alloys of the present invention.
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- Heat Treatment Of Steel (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
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Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
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DE102014002402.4A DE102014002402A1 (de) | 2014-02-13 | 2014-02-13 | Titanfreie Legierung |
DE102014002693.0A DE102014002693A1 (de) | 2014-02-28 | 2014-02-28 | Titanfreie Legierung |
PCT/DE2015/000053 WO2015120832A1 (de) | 2014-02-13 | 2015-02-10 | Titanfreie legierung |
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EP3105358A1 EP3105358A1 (de) | 2016-12-21 |
EP3105358B1 true EP3105358B1 (de) | 2018-06-13 |
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EP15716712.3A Active EP3105358B1 (de) | 2014-02-13 | 2015-02-10 | Verfahren zur herstellung einer titanfreien legierung |
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US (1) | US10174397B2 (pt) |
EP (1) | EP3105358B1 (pt) |
JP (1) | JP6300941B2 (pt) |
KR (1) | KR101865406B1 (pt) |
CN (2) | CN114000032A (pt) |
BR (1) | BR112016012184B1 (pt) |
WO (1) | WO2015120832A1 (pt) |
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CN106391747B (zh) * | 2016-11-28 | 2018-03-16 | 西安诺博尔稀贵金属材料有限公司 | 以一般工业用铌条为原料制备核燃料用高纯铌丝的方法 |
JP2023516503A (ja) * | 2020-03-09 | 2023-04-19 | エイティーアイ インコーポレイテッド | 耐食性ニッケル基合金 |
CN114058903B (zh) * | 2020-07-30 | 2022-06-14 | 宝武特种冶金有限公司 | 一种镍铁基合金大口径厚壁管及其制造方法 |
JP2024505366A (ja) * | 2021-02-04 | 2024-02-06 | ファオデーエム メタルズ インターナショナル ゲゼルシャフト ミット ベシュレンクテル ハフツング | チタン不含のニッケル-クロム-鉄-モリブデン合金の使用 |
CN113528895B (zh) * | 2021-07-19 | 2022-05-27 | 江苏图南合金股份有限公司 | 一种气阀用高硬度3j40合金棒材及其制造方法 |
CN115747576B (zh) * | 2022-10-26 | 2024-03-22 | 中国科学院金属研究所 | 一种高压氢气压缩机临氢膜片用耐氢脆耐疲劳板材的制备方法 |
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US2777766A (en) | 1952-06-04 | 1957-01-15 | Union Carbide & Carbon Corp | Corrosion resistant alloys |
JPS57210940A (en) | 1981-06-19 | 1982-12-24 | Sumitomo Metal Ind Ltd | Alloy for high-strength oil well pipe with superior stress corrosion cracking resistance |
JPS58199851A (ja) | 1982-05-17 | 1983-11-21 | Kobe Steel Ltd | 酸性油井用高ニツケル合金 |
JPS58199852A (ja) | 1982-12-22 | 1983-11-21 | Kobe Steel Ltd | 酸性油井用高ニツケル合金 |
NO831752L (no) * | 1982-05-17 | 1983-11-18 | Kobe Steel Ltd | Austenittiske legeringer med hoeyt nikkelinnhold. |
JPS61288041A (ja) | 1985-06-14 | 1986-12-18 | Babcock Hitachi Kk | 耐粒界型応力腐食割れ性、耐孔食性に優れたNi基合金 |
DE3716665A1 (de) * | 1987-05-19 | 1988-12-08 | Vdm Nickel Tech | Korrosionsbestaendige legierung |
JP3470418B2 (ja) * | 1994-11-09 | 2003-11-25 | 住友金属工業株式会社 | 耐海水腐食性と耐硫化水素腐食性に優れた高強度オーステナイト合金 |
JP3838216B2 (ja) | 2003-04-25 | 2006-10-25 | 住友金属工業株式会社 | オーステナイト系ステンレス鋼 |
AU2005258506B2 (en) * | 2004-06-30 | 2008-11-20 | Nippon Steel Corporation | Raw pipe of Fe-Ni alloy and method for production thereof |
JP2006023846A (ja) | 2004-07-06 | 2006-01-26 | Sony Corp | データ出力装置、データ出力方法、コンピュータプログラム及び記録媒体 |
JP4506958B2 (ja) * | 2004-08-02 | 2010-07-21 | 住友金属工業株式会社 | 溶接継手およびその溶接材料 |
JP5208354B2 (ja) * | 2005-04-11 | 2013-06-12 | 新日鐵住金株式会社 | オーステナイト系ステンレス鋼 |
WO2007099949A1 (ja) * | 2006-03-02 | 2007-09-07 | Sumitomo Metal Industries, Ltd. | 耐水蒸気酸化性に優れた鋼管およびその製造方法 |
DE102007005605B4 (de) * | 2007-01-31 | 2010-02-04 | Thyssenkrupp Vdm Gmbh | Eisen-Nickel-Chrom-Silizium-Legierung |
JP5176561B2 (ja) * | 2007-07-02 | 2013-04-03 | 新日鐵住金株式会社 | 高合金管の製造方法 |
DE102013004365B4 (de) * | 2013-03-14 | 2015-09-24 | VDM Metals GmbH | Nickelbasislegierung mit Silizium, Aluminium und Chrom |
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- 2015-02-10 CN CN202110894371.9A patent/CN114000032A/zh active Pending
- 2015-02-10 CN CN201580002649.XA patent/CN105745345A/zh active Pending
- 2015-02-10 JP JP2016551821A patent/JP6300941B2/ja active Active
- 2015-02-10 US US15/035,366 patent/US10174397B2/en active Active
- 2015-02-10 KR KR1020167021485A patent/KR101865406B1/ko active IP Right Grant
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BR112016012184B1 (pt) | 2021-04-27 |
JP2017510704A (ja) | 2017-04-13 |
BR112016012184A2 (pt) | 2017-09-26 |
CN105745345A (zh) | 2016-07-06 |
US10174397B2 (en) | 2019-01-08 |
EP3105358A1 (de) | 2016-12-21 |
KR20160135168A (ko) | 2016-11-25 |
JP6300941B2 (ja) | 2018-03-28 |
KR101865406B1 (ko) | 2018-06-07 |
US20170002437A1 (en) | 2017-01-05 |
CN114000032A (zh) | 2022-02-01 |
CN105745345A8 (zh) | 2016-08-10 |
WO2015120832A1 (de) | 2015-08-20 |
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