EP1052304B1 - Martensitischer korrosionsbeständiger Chromstahl - Google Patents
Martensitischer korrosionsbeständiger Chromstahl Download PDFInfo
- Publication number
- EP1052304B1 EP1052304B1 EP00890145A EP00890145A EP1052304B1 EP 1052304 B1 EP1052304 B1 EP 1052304B1 EP 00890145 A EP00890145 A EP 00890145A EP 00890145 A EP00890145 A EP 00890145A EP 1052304 B1 EP1052304 B1 EP 1052304B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- weight
- maximum
- leg
- chromium steel
- nitrogen
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 238000005260 corrosion Methods 0.000 title claims abstract description 23
- 230000007797 corrosion Effects 0.000 title claims abstract description 23
- 229910001220 stainless steel Inorganic materials 0.000 title claims abstract description 12
- 229910000734 martensite Inorganic materials 0.000 title claims abstract description 7
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 30
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 16
- 239000011651 chromium Substances 0.000 claims abstract description 15
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 13
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 12
- 229910052804 chromium Inorganic materials 0.000 claims abstract description 10
- 229910052759 nickel Inorganic materials 0.000 claims abstract description 5
- 239000012535 impurity Substances 0.000 claims abstract description 4
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 4
- 229910052748 manganese Inorganic materials 0.000 claims abstract 2
- 229910000831 Steel Inorganic materials 0.000 claims description 11
- 239000010959 steel Substances 0.000 claims description 11
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 9
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 7
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims description 6
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 claims description 5
- 229910052782 aluminium Inorganic materials 0.000 claims description 5
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 5
- 229910052750 molybdenum Inorganic materials 0.000 claims description 5
- 239000011733 molybdenum Substances 0.000 claims description 5
- 239000010955 niobium Substances 0.000 claims description 5
- 229910052720 vanadium Inorganic materials 0.000 claims description 5
- LEONUFNNVUYDNQ-UHFFFAOYSA-N vanadium atom Chemical compound [V] LEONUFNNVUYDNQ-UHFFFAOYSA-N 0.000 claims description 5
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 4
- 229910052742 iron Inorganic materials 0.000 claims description 4
- 239000011572 manganese Substances 0.000 claims description 4
- 229910052758 niobium Inorganic materials 0.000 claims description 4
- GUCVJGMIXFAOAE-UHFFFAOYSA-N niobium atom Chemical compound [Nb] GUCVJGMIXFAOAE-UHFFFAOYSA-N 0.000 claims description 4
- 239000010936 titanium Substances 0.000 claims description 4
- 229910052719 titanium Inorganic materials 0.000 claims description 4
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 claims description 4
- 229910052721 tungsten Inorganic materials 0.000 claims description 4
- 239000010937 tungsten Substances 0.000 claims description 4
- 239000010703 silicon Substances 0.000 claims description 3
- 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 claims description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims 2
- 239000004411 aluminium Substances 0.000 claims 2
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 claims 1
- 239000000203 mixture Substances 0.000 abstract description 3
- 239000000463 material Substances 0.000 description 27
- 229910045601 alloy Inorganic materials 0.000 description 26
- 239000000956 alloy Substances 0.000 description 26
- 230000002349 favourable effect Effects 0.000 description 8
- 238000004519 manufacturing process Methods 0.000 description 6
- 230000008901 benefit Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 238000005496 tempering Methods 0.000 description 4
- 229910000669 Chrome steel Inorganic materials 0.000 description 3
- 238000005275 alloying Methods 0.000 description 3
- 229910001566 austenite Inorganic materials 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 3
- 230000007774 longterm Effects 0.000 description 3
- 239000010421 standard material Substances 0.000 description 3
- 238000000137 annealing Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000005336 cracking Methods 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 230000003993 interaction Effects 0.000 description 2
- 238000005498 polishing Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 1
- CFJRGWXELQQLSA-UHFFFAOYSA-N azanylidyneniobium Chemical compound [Nb]#N CFJRGWXELQQLSA-UHFFFAOYSA-N 0.000 description 1
- 238000005097 cold rolling Methods 0.000 description 1
- 238000010835 comparative analysis Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000001000 micrograph Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 150000004767 nitrides Chemical class 0.000 description 1
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
Images
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
- C22C38/001—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
- C22C38/02—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
- 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
-
- 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
- C21D6/002—Heat treatment of ferrous alloys containing Cr
Definitions
- the invention relates to a corrosion resistant chromium steel with 12 to 15 Wt .-% chromium.
- EPC is a steel, which consists of (in% by weight) 0.30% carbon, 0.12% nitrogen, 0.30% silicon, 0.42% Manganese, 13.4% chromium, 0.28% nickel, balance iron and unavoidable impurities and has a martensite of 98.2% by volume.
- a high-strength corrosion-resistant material was used Steel with the best spring and fatigue characteristics and high Stress corrosion cracking resistance proposed.
- Hv 400 to 550.
- JP-A-8060238 is a martensitic corrosion resistant steel with best Hot workability and high resistance to sulfide-induced stress cracking known.
- the steel consists of% by weight 0.1 to 0.3 C, 0.01 to 1.0 Si, 0.1 to 1.0 Mn, ⁇ 0.02 P, ⁇ 0.01 S, 11 to 14 Cr, ⁇ 0.05 Ni and 0.015 to 0.1 N or 0.001 to 0.3 Ca and / or Mg and / or SE (REM), wherein the Condition 13 x C + 11.5 x N - Cr ⁇ - 10.86 must be fulfilled.
- the invention is now the task of an economical chrome steel specify a high hardness and temperature resistance at low Corrosive attack, a homogeneous microstructure and improved polishability has.
- a morphologically favorable microstructure in which the matrix hardness is a has high resistance, is characterized by a lack of strong nitride formers, such as was found promoted, with the elements titanium, aluminum, niobium and vanadium are unfavorably effective.
- an aluminum content below 0.05 wt .-% is provide, so as not to tilt the fine-homogeneous Microstructure towards a formation of heterogeneous areas too enable.
- chrome steel can be achieved when the concentration of carbon is 0.25 to 0.30 wt%.
- the concentration of nitrogen is 0.07 to 0.15 Wt .-%, preferably 0.08 to 0.12 wt .-%, is certainly one outstanding polishability of the material with favorable mechanical and corrosion-chemical parameters adjustable.
- the material quality can be further increased according to the invention if the chromium steel has a maximum concentration of molybdenum plus (tungsten x 0.5) of not more than 0.20 and / or the highest contents Titanium 0.01, preferably 0.006% by weight Aluminum 0.05, preferably 0.025% by weight Niobium 0.01 preferably 0.006% by weight be.
- Table 1 lists tested materials with their chemical composition.
- the alloy 1 corresponds to DIN material number 1.2082, the alloys 6 and 9 correspond to the material number 1.2083, the alloy 7 corresponds to the Material number 1.4028 and finally alloy 12 is the material number 1.2316 to assign. These DIN materials are for comparison with the alloy composition according to the invention.
- Tab. 2 shows for the listed alloys from Table 1 the results in terms of mechanical properties, corrosion resistance, polishability and dimensional stability in the heat treatment for comparative analysis, wherein for the overall assessment of the material properties, a ratio was determined, indicating the material quality can serve.
- the trial alloy 4 yielded, apparently due to the high Nitrogen content, a porous or leaky block structure and must in the to be left out of comparative consideration.
- Fig. 2 shows the dependence of the hardness of the annealing time and gives a very good long-term behavior of a leg according to the invention.
- 3 at 550 ° C, that is, one particular suitability of this material for higher loads Working temperatures over long periods, such as in Glaspreßformen given is. This favorable material property can be economically advantageous for Reduced cycle time are used, that is, with the same service life of Tool is this at a higher temperature in use.
- Fig. 3 is comparative to standard alloys, the corrosion resistance of Leg. 3 shown.
- the inventive alloy 3 reaches the Corrosion resistance of a 17% chromium steel (material number 1.2316).
- Fig. 5 is apparent from comparative polishing ability studies the advantage of an alloy 3 according to the invention is shown, in particular has this favorable property due to a special structural homogeneity.
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Powder Metallurgy (AREA)
- Heat Treatment Of Steel (AREA)
- Treatment Of Steel In Its Molten State (AREA)
- Laminated Bodies (AREA)
- Heat Treatment Of Articles (AREA)
- Preventing Corrosion Or Incrustation Of Metals (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Description
| Titan 0,01, | vorzugsweise 0,006 Gew.-% |
| Aluminium 0,05, | vorzugsweise 0,025 Gew.-% |
| Niob 0,01 | vorzugsweise 0,006 Gew.-% |
| Legierung | C | Si | Mn | Cr | Mo | Ni | V | W | Ti | Al | Nb | N |
| 1 | 0,21 | 0,25 | 0,29 | 13,01 | 0,01 | 0,08 | 0,02 | <0,05 | n.b. | 0,02 | n.b. | 0,05 |
| 2 | 0,20 | 0,25 | 0,32 | 12,87 | 0,03 | 0,10 | 0,01 | <0,05 | n.b. | 0,02 | n.b. | 0,11 |
| 3* | 0,31 | 0,27 | 0,31 | 12,96 | 0,02 | 0,09 | n.b. | <0,05 | <0,005 | 0,02 | n.b. | 0,12 |
| 4 | 0,30 | 0,31 | 0,32 | 13,03 | <0,02 | 0,10 | 0,03 | 0,05 | <0,005 | 0,02 | 0,02 | 0,16 |
| 5 | 0,32 | 0,26 | 0,32 | 12,92 | <0,02 | 0,10 | n.b. | <0,005 | <0,005 | 0,02 | n.b. | 0,21 |
| 6 | 0,40 | 0,44 | 0,30 | 12,97 | <0,02 | 0,08 | n.b. | n.b. | n.b. | n.b. | n.b. | 0,01 |
| 7 | 0,31 | 0,35 | 0,31 | 13,01 | 0,08 | 0,09 | n.b. | n.b. | n.b. | n.b. | n.b. | 0,01 |
| 8 | 0,33 | 0,46 | 0,26 | 12,67 | 0,10 | 0,2 | n.b. | 0,05 | n.b. | 0,03 | n.b. | 0,01 |
| 9 | 0,39 | 0,28 | 0,29 | 13,02 | 0,03 | 0,3 | 0,02 | n.b. | n.b. | n.b. | n.b. | 0,06 |
| 10* | 0,40 | 0,31 | 0,31 | 12,98 | 0,06 | 0,10 | n.b. | n.b. | n.b. | n.b. | n.b. | 0,11 |
| 11 | 0,41 | 0,27 | 0,29 | 12,99 | 0,06 | 0,09 | n.b. | n.b. | n.b. | n.b. | n.b. | 0,14 |
| 12 | 0,35 | 0,31 | 0,35 | 16,51 | 1,10 | 0,78 | 0,03 | 0,06 | n.b. | n.b. | 0,006 | 0,02 |
| 13 | 0,36 | 0,25 | 0,31 | 16,72 | 1,12 | 0,76 | 0,03 | 0,05 | n.b. | n.b. | n.b. | 0,18 |
| Legierung | Mech. Eigensch. [%] | Kormsionsbest. [%] | Poliertoarkelt [%] | Maßänderungsst [%] | Kennzahl | Bemerkung |
| 1 | 60 | 60 | 120 | 90 | 3,3 | DIN 1.2082 |
| 2 | 70 | 70 | 110 | 100 | 3,5 | Versuchleg. |
| 3* | 160 | 100 | 160 | 140 | 5,6 | Versuchleg. |
| 4 | -- | -- | -- | -- | -- | Versuchleg. |
| 5 | 80 | 120 | 120 | 100 | 4,2 | Versuchleg. |
| 6 | 100 | 50 | 60 | 80 | 2,9 | DIN 1.2083, |
| 7 | 90 | 60 | 100 | 100 | 3,5 | DIN 1.4028, |
| 8 | 95 | 70 | 100 | 100 | 3,7 | Versuchleg. |
| 9 | 110 | 50 | 70 | 80 | 3,1 | DIN 1.2083, |
| 10* | 120 | 70 | 80 | 90 | 3,6 | Versuchleg. |
| 11 | 110 | 80 | 70 | 70 | 3,3 | Versuchleg. |
| 12 | 70 | 100 | 40 | 50 | 2,6 | DIN 1.2316, |
| 13 | 70 | 160 | 50 | 60 | 3,4 | Versuchleg. |
Claims (4)
- Martensitischer korrosionsbeständiger Chromstahl enthaltend in Gew.-%
sowie wahlweise Molybdän und/oder Wolfram, wobei die maximale Konzentration an Molybdän plus (Wolfram x 0,5) höchstens 0,28 Gew.-% beträgt, Wahlweise max. 0,01% Vanadium0,2 bis 0,4 % Kohlenstoff 0,15 bis 0,5 % Silizium 0,15 bis 0,6 % Mangan 12,0 bis 15,0 % Chrom wahlweise max.0,01 % Titan wahlweise max. 0,05 % Aluminium wahlweise max. 0,01 % Niob Rest Eisen und herstellungsbedingte Verunreinigungen mit der Maßgabe, daß das Verhältnis Kohlenstoff/Stickstoff über einem Wert von 2,0 liegt, wobei ein Stahl, welcher aus (in Gew.-%) 0,30% Kohlenstoff, 0,12% Stickstoff, 0,30% Silizium, 0,42% Mangan, 13,4% Chrom, 0,28% Nickel, Rest Eisen und unvermeidbare Verunreinigungen besteht und einen Martensitanteil von 98,2 Volumsprozent aufweist, ausgeschlossen ist.max. 0,28 % Nickel 0,07 bis 0,15 % Stickstoff - Chromstahl nach Anspruch 1, dadurch gekennzeichnet, dass die Konzentration an Kohlenstoff 0,25 bis 0,30 Gew.-% beträgt.
- Chromstahl nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass die Konzentration an Stickstoff 0,08 bis 0,12 Gew.-%, beträgt.
- Chromstahl nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, dass die maximale Konzentration an
beträgt.Titan 0,006 Gew.-% Aluminium 0,025 Gew.-% Niob 0,006 Gew.-%
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AT84399 | 1999-05-10 | ||
| AT0084399A AT407647B (de) | 1999-05-10 | 1999-05-10 | Martensitischer korrosionsbeständiger chromstahl |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP1052304A1 EP1052304A1 (de) | 2000-11-15 |
| EP1052304B1 true EP1052304B1 (de) | 2005-12-28 |
Family
ID=3501056
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP00890145A Expired - Lifetime EP1052304B1 (de) | 1999-05-10 | 2000-05-09 | Martensitischer korrosionsbeständiger Chromstahl |
Country Status (7)
| Country | Link |
|---|---|
| EP (1) | EP1052304B1 (de) |
| AT (2) | AT407647B (de) |
| DE (1) | DE50011941D1 (de) |
| DK (1) | DK1052304T3 (de) |
| ES (1) | ES2254128T3 (de) |
| PT (1) | PT1052304E (de) |
| SI (1) | SI1052304T1 (de) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8808472B2 (en) * | 2000-12-11 | 2014-08-19 | Uddeholms Ab | Steel alloy, holders and holder details for plastic moulding tools, and tough hardened blanks for holders and holder details |
| AT501794B1 (de) * | 2005-04-26 | 2008-06-15 | Boehler Edelstahl | Kunststoffform |
| AT515157B1 (de) | 2013-11-21 | 2016-12-15 | Böhler Edelstahl GmbH & Co KG | Verfahren zur Herstellung von Kunststoffformen aus martensitischem Chromstahl und Kunststoffform |
| WO2015124169A1 (de) | 2014-02-18 | 2015-08-27 | Schmiedewerke Gröditz Gmbh | CHROMSTAHL FÜR STARK VERSCHLEIßBEANSPRUCHTE MASCHINENTEILE, INSBESONDERE PELLETIERMATRIZEN |
| CN109207856B (zh) * | 2018-10-17 | 2020-04-14 | 攀钢集团攀枝花钢铁研究院有限公司 | 含氮塑料模具扁钢及其生产方法 |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS56151149A (en) * | 1980-04-23 | 1981-11-24 | Kubota Ltd | Assembling type roll for continuous casting of slab |
| AT377785B (de) * | 1983-06-28 | 1985-04-25 | Ver Edelstahlwerke Ag | Chromhaeltige legierung |
| DE3685824T2 (de) * | 1986-03-04 | 1993-01-07 | Kawasaki Steel Co | Rostfreier martensit-stahl mit ausgezeichneter oxydationsbestaendigkeit, verarbeitbarkeit und korrosionsbestaendigkeit sowie herstellungsverfahren. |
| JPH04325658A (ja) * | 1991-04-24 | 1992-11-16 | Daido Steel Co Ltd | 耐熱鋳鋼 |
| US5458703A (en) * | 1991-06-22 | 1995-10-17 | Nippon Koshuha Steel Co., Ltd. | Tool steel production method |
| DE4133480A1 (de) * | 1991-10-09 | 1993-04-15 | Boehler Ag | Nichtrostender chromlegierter stahl fuer kunststofformen |
| JPH07278758A (ja) * | 1994-04-13 | 1995-10-24 | Nippon Steel Corp | エンジンガスケット用ステンレス鋼とその製造方法 |
| JPH0860238A (ja) * | 1994-08-23 | 1996-03-05 | Nippon Steel Corp | 熱間加工性および耐硫化物応力割れ性に優れたマルテンサイト系ステンレス鋼の製造法 |
| AT405193B (de) * | 1995-01-16 | 1999-06-25 | Boehler Edelstahl | Verwendung einer chromhältigen, martensitischen eisenbasislegierung für kunststofformen |
| JPH08260037A (ja) * | 1995-03-23 | 1996-10-08 | Nippon Steel Corp | 耐硫化物応力割れ性、靭性および熱間加工性に優れたマルテンサイト系ステンレス鋼の製造法 |
| JPH11106869A (ja) * | 1997-09-30 | 1999-04-20 | Sanyo Special Steel Co Ltd | 高強度かつ耐食性の優れたマルテンサイト系ステンレス鋼 |
| JP2000109957A (ja) * | 1998-10-05 | 2000-04-18 | Sumitomo Metal Ind Ltd | ガスケット用ステンレス鋼およびその製造方法 |
-
1999
- 1999-05-10 AT AT0084399A patent/AT407647B/de not_active IP Right Cessation
-
2000
- 2000-05-09 DE DE50011941T patent/DE50011941D1/de not_active Expired - Lifetime
- 2000-05-09 AT AT00890145T patent/ATE314501T1/de active
- 2000-05-09 SI SI200030787T patent/SI1052304T1/sl unknown
- 2000-05-09 ES ES00890145T patent/ES2254128T3/es not_active Expired - Lifetime
- 2000-05-09 PT PT00890145T patent/PT1052304E/pt unknown
- 2000-05-09 EP EP00890145A patent/EP1052304B1/de not_active Expired - Lifetime
- 2000-05-09 DK DK00890145T patent/DK1052304T3/da active
Also Published As
| Publication number | Publication date |
|---|---|
| AT407647B (de) | 2001-05-25 |
| DK1052304T3 (da) | 2006-05-15 |
| ATA84399A (de) | 2000-09-15 |
| DE50011941D1 (de) | 2006-02-02 |
| EP1052304A1 (de) | 2000-11-15 |
| SI1052304T1 (sl) | 2006-04-30 |
| ES2254128T3 (es) | 2006-06-16 |
| ATE314501T1 (de) | 2006-01-15 |
| HK1034542A1 (en) | 2001-10-26 |
| PT1052304E (pt) | 2006-05-31 |
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