EP2728028B1 - Nickel-free stainless-steel alloy - Google Patents
Nickel-free stainless-steel alloy Download PDFInfo
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- EP2728028B1 EP2728028B1 EP12191101.0A EP12191101A EP2728028B1 EP 2728028 B1 EP2728028 B1 EP 2728028B1 EP 12191101 A EP12191101 A EP 12191101A EP 2728028 B1 EP2728028 B1 EP 2728028B1
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- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 title claims description 88
- 229910052759 nickel Inorganic materials 0.000 title claims description 44
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 38
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 claims description 36
- IJGRMHOSHXDMSA-UHFFFAOYSA-N nitrogen Substances N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 36
- 229910045601 alloy Inorganic materials 0.000 claims description 35
- 239000000956 alloy Substances 0.000 claims description 35
- 229910052751 metal Inorganic materials 0.000 claims description 30
- 239000002184 metal Substances 0.000 claims description 30
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims description 27
- 239000011651 chromium Substances 0.000 claims description 23
- 229910052804 chromium Inorganic materials 0.000 claims description 21
- 229910052742 iron Inorganic materials 0.000 claims description 20
- 229910052763 palladium Inorganic materials 0.000 claims description 17
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 15
- 229910052757 nitrogen Inorganic materials 0.000 claims description 15
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 claims description 15
- 239000010949 copper Substances 0.000 claims description 13
- 229910052748 manganese Inorganic materials 0.000 claims description 12
- 239000011572 manganese Substances 0.000 claims description 12
- 229910052799 carbon Inorganic materials 0.000 claims description 11
- 229910052802 copper Inorganic materials 0.000 claims description 10
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims description 10
- 229910052737 gold Inorganic materials 0.000 claims description 10
- 239000010931 gold Substances 0.000 claims description 10
- 150000002739 metals Chemical class 0.000 claims description 10
- 229910052750 molybdenum Inorganic materials 0.000 claims description 8
- 239000011733 molybdenum Substances 0.000 claims description 8
- 239000010955 niobium Substances 0.000 claims description 8
- 239000010948 rhodium Substances 0.000 claims description 8
- 229910052758 niobium Inorganic materials 0.000 claims description 7
- GUCVJGMIXFAOAE-UHFFFAOYSA-N niobium atom Chemical compound [Nb] GUCVJGMIXFAOAE-UHFFFAOYSA-N 0.000 claims description 7
- KJTLSVCANCCWHF-UHFFFAOYSA-N Ruthenium Chemical compound [Ru] KJTLSVCANCCWHF-UHFFFAOYSA-N 0.000 claims description 6
- 229910052741 iridium Inorganic materials 0.000 claims description 6
- GKOZUEZYRPOHIO-UHFFFAOYSA-N iridium atom Chemical compound [Ir] GKOZUEZYRPOHIO-UHFFFAOYSA-N 0.000 claims description 6
- 229910052762 osmium Inorganic materials 0.000 claims description 6
- SYQBFIAQOQZEGI-UHFFFAOYSA-N osmium atom Chemical compound [Os] SYQBFIAQOQZEGI-UHFFFAOYSA-N 0.000 claims description 6
- 229910052697 platinum Inorganic materials 0.000 claims description 6
- 229910052703 rhodium Inorganic materials 0.000 claims description 6
- MHOVAHRLVXNVSD-UHFFFAOYSA-N rhodium atom Chemical compound [Rh] MHOVAHRLVXNVSD-UHFFFAOYSA-N 0.000 claims description 6
- 229910052720 vanadium Inorganic materials 0.000 claims description 6
- LEONUFNNVUYDNQ-UHFFFAOYSA-N vanadium atom Chemical compound [V] LEONUFNNVUYDNQ-UHFFFAOYSA-N 0.000 claims description 6
- 229910052702 rhenium Inorganic materials 0.000 claims description 5
- WUAPFZMCVAUBPE-UHFFFAOYSA-N rhenium atom Chemical compound [Re] WUAPFZMCVAUBPE-UHFFFAOYSA-N 0.000 claims description 5
- 229910052707 ruthenium Inorganic materials 0.000 claims description 5
- 229910052710 silicon Inorganic materials 0.000 claims description 5
- 239000010703 silicon Substances 0.000 claims description 5
- 229910001256 stainless steel alloy Inorganic materials 0.000 claims description 5
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 4
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 claims description 4
- 229910052726 zirconium Inorganic materials 0.000 claims description 4
- 230000000295 complement effect Effects 0.000 claims description 3
- 239000012535 impurity Substances 0.000 claims description 3
- 229910052719 titanium Inorganic materials 0.000 claims description 3
- 239000010936 titanium Substances 0.000 claims description 3
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 claims description 3
- 229910052721 tungsten Inorganic materials 0.000 claims description 3
- 239000010937 tungsten Substances 0.000 claims description 3
- 239000000945 filler Substances 0.000 description 17
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 15
- 229910000831 Steel Inorganic materials 0.000 description 15
- 239000010959 steel Substances 0.000 description 15
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 11
- 229910001220 stainless steel Inorganic materials 0.000 description 11
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 9
- 239000000203 mixture Substances 0.000 description 9
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 8
- 229910001566 austenite Inorganic materials 0.000 description 6
- 229910000734 martensite Inorganic materials 0.000 description 6
- 229910000859 α-Fe Inorganic materials 0.000 description 6
- 230000007797 corrosion Effects 0.000 description 5
- 238000005260 corrosion Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 239000013589 supplement Substances 0.000 description 4
- 206010011416 Croup infectious Diseases 0.000 description 2
- 229910000963 austenitic stainless steel Inorganic materials 0.000 description 2
- 210000000988 bone and bone Anatomy 0.000 description 2
- UPHIPHFJVNKLMR-UHFFFAOYSA-N chromium iron Chemical compound [Cr].[Fe] UPHIPHFJVNKLMR-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 229910001353 gamma loop Inorganic materials 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- -1 platinum group metals Chemical class 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 239000000654 additive Substances 0.000 description 1
- 230000002009 allergenic effect Effects 0.000 description 1
- RBVYPNHAAJQXIW-UHFFFAOYSA-N azanylidynemanganese Chemical compound [N].[Mn] RBVYPNHAAJQXIW-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 229910017052 cobalt Inorganic materials 0.000 description 1
- 239000010941 cobalt Substances 0.000 description 1
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 101150034785 gamma gene Proteins 0.000 description 1
- 238000011194 good manufacturing practice Methods 0.000 description 1
- 238000010348 incorporation Methods 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- WPBNNNQJVZRUHP-UHFFFAOYSA-L manganese(2+);methyl n-[[2-(methoxycarbonylcarbamothioylamino)phenyl]carbamothioyl]carbamate;n-[2-(sulfidocarbothioylamino)ethyl]carbamodithioate Chemical compound [Mn+2].[S-]C(=S)NCCNC([S-])=S.COC(=O)NC(=S)NC1=CC=CC=C1NC(=S)NC(=O)OC WPBNNNQJVZRUHP-UHFFFAOYSA-L 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910001105 martensitic stainless steel Inorganic materials 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 150000001247 metal acetylides Chemical class 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 239000002344 surface layer Substances 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
- 230000003313 weakening effect Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
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
- C22C38/002—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
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/38—Ferrous alloys, e.g. steel alloys containing chromium with more than 1.5% by weight of manganese
-
- C—CHEMISTRY; METALLURGY
- 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
-
- C—CHEMISTRY; METALLURGY
- 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
-
- 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
- C22C38/004—Very low carbon steels, i.e. having a carbon content of less than 0,01%
-
- 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
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
-
- 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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- 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
- C22C38/24—Ferrous alloys, e.g. steel alloys containing chromium with vanadium
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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
- C22C38/26—Ferrous alloys, e.g. steel alloys containing chromium with niobium or tantalum
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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
- C22C38/28—Ferrous alloys, e.g. steel alloys containing chromium with titanium or zirconium
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- G—PHYSICS
- G04—HOROLOGY
- G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
- G04B37/00—Cases
- G04B37/22—Materials or processes of manufacturing pocket watch or wrist watch cases
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- G—PHYSICS
- G04—HOROLOGY
- G04G—ELECTRONIC TIME-PIECES
- G04G17/00—Structural details; Housings
- G04G17/02—Component assemblies
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- G—PHYSICS
- G04—HOROLOGY
- G04G—ELECTRONIC TIME-PIECES
- G04G17/00—Structural details; Housings
- G04G17/08—Housings
Definitions
- the invention relates to a stainless steel alloy having a base of iron and chromium.
- the invention also relates to a watch component made of such an alloy.
- the invention relates to the fields of watchmaking, jewelery, and jewelery, in particular for structures: watch cases, squares, turntables, bracelets, rings, earrings and others.
- Stainless steels are commonly used in the fields of watchmaking, jewelery, and jewelery, especially for structures: watch cases, casebacks, turntables, bracelets, and others.
- Nickel is, however, a basic component of most common stainless steels because it improves mechanical properties and ductility, malleability and resilience. By cons nickel is harmful in the field of friction surfaces. Nickel improves the properties of the passive layer, and integrates with the surface layer of oxide.
- alloy X2CrNiMo17-12 EN (or 316L AISI) comprises between 10.5 and 13% of nickel. Nickel is a metal whose cost is growing continuously, and which, in 2012, is close to 20'000 USD per ton, which increases the cost of alloys containing it.
- Nickel-free stainless steel alloys are known which are ferritic steels with a cubic centered structure. However, these ferritic steels are not hardenable by heat treatment, but only by hardening. Their structure is not very fine, and this family of alloys is not very suitable for polishing.
- Austenitic steels of face-centered cubic structure, generally have very good forming properties, which is particularly advantageous for watchmaker or jeweler-type components. They have a very high chemical resistance. They are also non-magnetic because of their face-centered cubic structure. They are also the most suitable for welding. But conventional austenitic stainless steels still contain from 3.5 to 32% of nickel, and more commonly from 8.0 to 15.0% of nickel. Indeed, nickel is a gammagene element which makes it possible to obtain the austenitic structure, and in particular to obtain sheets capable of forming deformations. Some documents, such as FR 2,534,931 on behalf of CABOT CORPORATION go so far as to say that nickel must be present to favor an austenitic structure in the alloy.
- the gamma loop of the iron-chromium system specific to stainless steels defines an austenitic domain, even with a low or zero nickel content, but the loop is of very limited magnitude compared to that of alloys containing nickel. in higher proportion. In addition, this austenitic domain exists at temperatures much higher than ambient. The effect of the gammagenic alloy elements is twofold since it also makes it possible to widen the austenitic loop in chemical composition (relative to chromium) and to widen the temperature range on which this structure is stable.
- Austeno-ferritic steels also called duplex, are weak magnetic, and generally comprise between 3.5% and 8% nickel.
- the nickel-free stainless steels are mainly ferritic steels
- the advantages of the austenitic steels, which are generally cataloged as nickel steels, should be available.
- gammagens such as nickel, manganese or nitrogen are generally used (these are called super-austenitic steels for the last two mentioned), which increase the range of stability of austenite. Theoretically it would therefore be possible to use a super-austenitic steel with manganese or nitrogen in place of nickel.
- the patent EP 1 025 273 B1 on behalf of SIMA describes such a nickel-free austenitic stainless steel, comprising 15 to 24% manganese, 15 to 20% chromium, 2.5 to 4% molybdenum, 0.6 to 0.85% d nitrogen, 0.1 to 0.5% vanadium, less than 0.5% copper, less than 0.5% cobalt, less than 0.5% for total niobium and tantalum, less than 0.06% of carbon, other elements each limited to 0.020% by weight, the balance being iron, and the compositions of certain metals being limited to each other by means of a system of equations and inequalities, which regulate the contents of chromium, molybdenum, nitrogen, vanadium, niobium, and manganese.
- the invention also relates to a watch or jewelery component made of such an alloy.
- the invention proposes to produce stainless steels without nickel, which have properties similar to those of austenitic stainless steels with nickel.
- nickel-free alloy will be referred to below as an alloy comprising less than 0.5% by weight of nickel.
- the alloy comprises, in addition to a base consisting of iron and chromium, at least one filler metal selected from a first group consisting of copper, ruthenium, rhodium, palladium and rhenium. , osmium, iridium, platinum, and gold.
- the alloy comprises, in addition to a base consisting of iron, carbon and chromium, at least one filler metal chosen from a subset of the first set consisting of ruthenium, rhodium, palladium, rhenium, osmium, iridium, and platinum.
- these metals are part of PGM (platinum group metals) or platinoids, that is to say that they are characterized by common and unusual properties for metals.
- PGM platinum group metals
- platinoids that is to say that they are characterized by common and unusual properties for metals.
- These PGM group metals are also more soluble in iron than copper and gold.
- a suitable (mass) composition is 18% chromium, 35% palladium, and 46 to 47% iron. Like all stainless steel, this alloy can contain up to 0.03% carbon.
- its mass composition is 18% chromium, 35% palladium, 0% to 0.03% carbon, and the iron supplement. More particularly, its mass composition is 18% chromium, 35% palladium, and 46.97 to 47% iron, and 0 to 0.03% carbon.
- the figure 2 is a Schaeffler diagram, which has on the abscissa an equivalent chromium, and on the ordinate a nickel equivalent, both in percentage by mass.
- This Schaeffler diagram delimits the ferritic, martensitic and austenitic domains, the latter limited by the curve corresponding to the zero ferrite content.
- So-called stainless steels are, according to current standards, those containing more than 10.5% of chromium.
- the curves C1 and C2 delimit the possible presence of austenite A: above C1 and C2 we have austenite A, underneath there is none.
- the curve C3 delimits the possible presence of ferrite F: below C3 there is ferrite F, above there is none.
- the curve C4 delimits the possible presence of martensite M: below C4 there is martensite M, above there is none.
- the composition must be such that one is both above the C3 and C4 curves, so as to have only austenite A.
- a first variant of the invention consists in incorporating into the alloy, in the limit of 0.5% by weight of the total, at least one carburigenic element taken from a second group consisting of tungsten, vanadium, niobium and zirconium. , and titanium, replacing an equivalent mass of iron in the alloy.
- This incorporation of one or more carburigenic elements has the effect of forcing the precipitation of specific carbides less harmful to the corrosion resistance than chromium carbides.
- the invention also relates to a watch or jewelery component made of such an alloy.
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- Organic Chemistry (AREA)
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- General Physics & Mathematics (AREA)
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Claims (5)
- Rostfreie Stahllegierung auf der Basis von Eisen und Chrom, dadurch gekennzeichnet, dass sie weniger als 0,5 Massen-% Nickel enthält und in einer flächenzentrierten kubischen austenitischen Struktur angeordnet ist und dass sie in Massenwerten besteht aus:- Chrom: Minimalwert 16 %, Maximalwert 20 %,- mindestens einem Zusatzmetall, wobei der Gesamtwert des mindestens einen Zusatzmetalls oder der Zusatzmetalle im folgenden Bereich liegt: Minimalwert 30 %, Maximalwert 40 %, wobei das mindestens eine Zusatzmetall aus einer ersten Menge gewählt ist, die aus Kupfer, Ruthenium, Rhodium, Palladium, Rhenium, Osmium, Iridium, Platin und Gold besteht:- wobei der Wert von Kupfer im folgenden Bereich liegt: Minimalwert 0 %, Maximalwert 2 %;- wobei der Wert von Gold im folgenden Bereich liegt: Minimalwert 0 %, Maximalwert 2 %;- Kohlenstoff: Minimalwert 0 %, Maximalwert 0,03 %;- Molybdän: Minimalwert 0 %, Maximalwert 2 %;- Mangan: Minimalwert 0 %, Maximalwert 2 %;- Silicium: Minimalwert 0 %, Maximalwert 1 %;- Stickstoff: Minimalwert 0 %, Maximalwert 0,1 %;- wobei innerhalb des Grenzwerts von 0,5 % der Gesamtmasse mindestens ein karbidbildendes Element, das einer zweiten Menge entnommen ist, die aus Wolfram, Vanadium, Niob, Zirkonium und Titan besteht, eine entsprechende Masse an Eisen in der Legierung ersetzt;- Eisen und unvermeidbare Verunreinigungen: die Vervollständigung auf 100 %.
- Legierung nach Anspruch 1, dadurch gekennzeichnet, dass mindestens ein Zusatzmetall aus einer Teilmenge der ersten Menge, den sogenannten Platinoiden, gewählt ist, wobei die Teilmenge der Platinoiden aus Ruthenium, Rhodium, Palladium, Rhenium, Osmium, Iridium und Platin besteht.
- Legierung nach Anspruch 2, dadurch gekennzeichnet, dass das mindestens eine Zusatzmetall ausschließlich aus der Teilmenge der Platinoiden gewählt ist.
- Legierung nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, dass es in Massenwerten besteht aus:- Chrom: 18 %;- Palladium: 35 %;- Kohlenstoff: 0 % bis 0,03 %;- Eisen und unvermeidbaren Verunreinigungen: die Vervollständigung auf 100 %.
- Uhren- oder Schmuckkomponente, die aus einer Legierung nach einem der vorhergehenden Ansprüche gebildet ist.
Priority Applications (9)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP12191101.0A EP2728028B1 (de) | 2012-11-02 | 2012-11-02 | Nickel-free stainless-steel alloy |
RU2015120760A RU2625363C2 (ru) | 2012-11-02 | 2013-10-17 | Нержавеющая сталь, не содержащая никеля |
EP13785379.2A EP2914759B1 (de) | 2012-11-02 | 2013-10-17 | Nickel-free stainless-steel alloy |
CN201380057112.4A CN104769145B (zh) | 2012-11-02 | 2013-10-17 | 无镍的不锈钢合金 |
JP2015533640A JP5976945B2 (ja) | 2012-11-02 | 2013-10-17 | ニッケルフリーステンレス鋼合金 |
PCT/EP2013/071770 WO2014067795A1 (fr) | 2012-11-02 | 2013-10-17 | Alliage d'acier inoxydable sans nickel |
US14/425,455 US20150225820A1 (en) | 2012-11-02 | 2013-10-17 | Nickel free stainless steel alloy |
TW102138458A TWI586816B (zh) | 2012-11-02 | 2013-10-24 | 不含鎳之不鏽鋼合金 |
HK15112788.4A HK1211992A1 (en) | 2012-11-02 | 2015-12-29 | Nickel-free stainless steel alloy |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP12191101.0A EP2728028B1 (de) | 2012-11-02 | 2012-11-02 | Nickel-free stainless-steel alloy |
Publications (2)
Publication Number | Publication Date |
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EP2728028A1 EP2728028A1 (de) | 2014-05-07 |
EP2728028B1 true EP2728028B1 (de) | 2018-04-04 |
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Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP12191101.0A Active EP2728028B1 (de) | 2012-11-02 | 2012-11-02 | Nickel-free stainless-steel alloy |
EP13785379.2A Active EP2914759B1 (de) | 2012-11-02 | 2013-10-17 | Nickel-free stainless-steel alloy |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
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EP13785379.2A Active EP2914759B1 (de) | 2012-11-02 | 2013-10-17 | Nickel-free stainless-steel alloy |
Country Status (8)
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US (1) | US20150225820A1 (de) |
EP (2) | EP2728028B1 (de) |
JP (1) | JP5976945B2 (de) |
CN (1) | CN104769145B (de) |
HK (1) | HK1211992A1 (de) |
RU (1) | RU2625363C2 (de) |
TW (1) | TWI586816B (de) |
WO (1) | WO2014067795A1 (de) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3147378A1 (de) * | 2015-09-25 | 2017-03-29 | The Swatch Group Research and Development Ltd. | Nickelfreier austenitischer edelstahl |
CN106636947A (zh) * | 2016-12-16 | 2017-05-10 | 安徽宝恒新材料科技有限公司 | 一种耐海水腐蚀不锈钢及其制作方法 |
EP3486009B1 (de) * | 2017-11-17 | 2024-01-17 | The Swatch Group Research and Development Ltd | Sinterverfahren für einen austenitischen edelstahl |
RU2650949C1 (ru) * | 2017-11-27 | 2018-04-18 | Юлия Алексеевна Щепочкина | Сталь для изготовления ювелирных изделий |
RU2650947C1 (ru) * | 2017-11-27 | 2018-04-18 | Юлия Алексеевна Щепочкина | Сталь для изготовления ювелирных изделий |
RU2663501C1 (ru) * | 2018-01-09 | 2018-08-07 | Юлия Алексеевна Щепочкина | Сплав на основе железа |
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US3904401A (en) * | 1974-03-21 | 1975-09-09 | Carpenter Technology Corp | Corrosion resistant austenitic stainless steel |
SU1049560A1 (ru) * | 1982-04-05 | 1983-10-23 | Институт Металлургии Им.50-Летия Ссср | Сталь |
US4487630A (en) | 1982-10-25 | 1984-12-11 | Cabot Corporation | Wear-resistant stainless steel |
JP2634299B2 (ja) * | 1990-05-23 | 1997-07-23 | 三菱重工業株式会社 | 高温、高濃度硫酸用Pd添加ステンレス鋼 |
FR2706489B1 (fr) | 1993-06-14 | 1995-09-01 | Ugine Savoie Sa | Acier inoxydable martensitique à usinabilité améliorée. |
CH688862A5 (de) * | 1995-01-03 | 1998-04-30 | Basf Ag | Korrosionsbestaendige Legierung zur Verwendung als Werkstoff fuer am oder im menschlichen Koerper verwendete Gegenstaende, insbesondere zur Vermeidung von Nickel-Allergie. |
DE19513407C1 (de) * | 1995-04-08 | 1996-10-10 | Vsg En & Schmiedetechnik Gmbh | Verwendung einer austenitischen Stahllegierung für hautverträgliche Gegenstände |
DE19716795C2 (de) * | 1997-04-22 | 2001-02-22 | Krupp Vdm Gmbh | Verwendung einer hochfesten und korrosionsbeständigen Eisen-Mangan-Chrom-Legierung |
FR2764307B1 (fr) | 1997-06-04 | 1999-08-27 | Metallurg Avancee Soc Ind De | Acier inoxydable sans nickel pour applications biomedicales |
FR2766843B1 (fr) * | 1997-07-29 | 1999-09-03 | Usinor | Acier inoxydable austenitique comportant une tres faible teneur en nickel |
EP0964071A1 (de) | 1998-06-12 | 1999-12-15 | Asulab S.A. | Ferritischer rostfreier Stahl und Aussenteil für eine Uhr aus diesem Stahl |
CH694401A5 (de) * | 1999-05-26 | 2004-12-31 | Basf Ag | Nickelarmer, molybdänarmer, biokompatibler, nicht Allergie auslösender, korrosionsbeständiger austenitischer Stahl. |
WO2001055465A1 (en) * | 2000-01-26 | 2001-08-02 | Jeneric/Pentron Incorporated | Dental alloys |
US7294214B2 (en) * | 2003-01-08 | 2007-11-13 | Scimed Life Systems, Inc. | Medical devices |
JP4379804B2 (ja) * | 2004-08-13 | 2009-12-09 | 大同特殊鋼株式会社 | 高窒素オーステナイト系ステンレス鋼 |
US7794652B2 (en) * | 2004-12-27 | 2010-09-14 | The Argen Corporation | Noble dental alloy |
JP4915202B2 (ja) * | 2005-11-03 | 2012-04-11 | 大同特殊鋼株式会社 | 高窒素オーステナイト系ステンレス鋼 |
JP2007247035A (ja) * | 2006-03-17 | 2007-09-27 | Seiko Epson Corp | 装飾品および時計 |
TW200909593A (en) * | 2007-08-29 | 2009-03-01 | Advanced Int Multitech Co Ltd | Chromium-manganese-nitrogen austenite series stainless steel |
-
2012
- 2012-11-02 EP EP12191101.0A patent/EP2728028B1/de active Active
-
2013
- 2013-10-17 WO PCT/EP2013/071770 patent/WO2014067795A1/fr active Application Filing
- 2013-10-17 EP EP13785379.2A patent/EP2914759B1/de active Active
- 2013-10-17 JP JP2015533640A patent/JP5976945B2/ja active Active
- 2013-10-17 RU RU2015120760A patent/RU2625363C2/ru not_active IP Right Cessation
- 2013-10-17 US US14/425,455 patent/US20150225820A1/en not_active Abandoned
- 2013-10-17 CN CN201380057112.4A patent/CN104769145B/zh active Active
- 2013-10-24 TW TW102138458A patent/TWI586816B/zh not_active IP Right Cessation
-
2015
- 2015-12-29 HK HK15112788.4A patent/HK1211992A1/xx unknown
Non-Patent Citations (1)
Title |
---|
None * |
Also Published As
Publication number | Publication date |
---|---|
TWI586816B (zh) | 2017-06-11 |
CN104769145A (zh) | 2015-07-08 |
HK1211992A1 (en) | 2016-06-03 |
JP2015535888A (ja) | 2015-12-17 |
EP2914759A1 (de) | 2015-09-09 |
CN104769145B (zh) | 2016-10-19 |
JP5976945B2 (ja) | 2016-08-24 |
EP2914759B1 (de) | 2016-10-05 |
RU2625363C2 (ru) | 2017-07-13 |
RU2015120760A (ru) | 2016-12-27 |
TW201432064A (zh) | 2014-08-16 |
EP2728028A1 (de) | 2014-05-07 |
US20150225820A1 (en) | 2015-08-13 |
WO2014067795A1 (fr) | 2014-05-08 |
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