EP1471160A1 - Kaltarbeitsstahl-Gegenstand - Google Patents
Kaltarbeitsstahl-Gegenstand Download PDFInfo
- Publication number
- EP1471160A1 EP1471160A1 EP04450082A EP04450082A EP1471160A1 EP 1471160 A1 EP1471160 A1 EP 1471160A1 EP 04450082 A EP04450082 A EP 04450082A EP 04450082 A EP04450082 A EP 04450082A EP 1471160 A1 EP1471160 A1 EP 1471160A1
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- EP
- European Patent Office
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- max
- cold work
- work tool
- hardness
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- 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.)
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 10
- 239000010959 steel Substances 0.000 title claims abstract description 10
- 239000000463 material Substances 0.000 claims abstract description 50
- 239000000203 mixture Substances 0.000 claims abstract description 6
- 239000012535 impurity Substances 0.000 claims abstract description 4
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 17
- 239000000843 powder Substances 0.000 claims description 15
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 14
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 claims description 12
- 239000011572 manganese Substances 0.000 claims description 12
- 239000010941 cobalt Substances 0.000 claims description 11
- 229910017052 cobalt Inorganic materials 0.000 claims description 11
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 claims description 9
- 229910052750 molybdenum Inorganic materials 0.000 claims description 9
- 239000011733 molybdenum Substances 0.000 claims description 9
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 claims description 9
- 229910052721 tungsten Inorganic materials 0.000 claims description 9
- 239000010937 tungsten Substances 0.000 claims description 9
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 8
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 8
- 229910052799 carbon Inorganic materials 0.000 claims description 8
- 239000010949 copper Substances 0.000 claims description 8
- 229910052760 oxygen Inorganic materials 0.000 claims description 8
- 239000001301 oxygen Substances 0.000 claims description 8
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 claims description 7
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 7
- 229910052748 manganese Inorganic materials 0.000 claims description 7
- 229910052757 nitrogen Inorganic materials 0.000 claims description 7
- 229910052710 silicon Inorganic materials 0.000 claims description 7
- 239000010703 silicon Substances 0.000 claims description 7
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims description 6
- 229910052782 aluminium Inorganic materials 0.000 claims description 6
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 6
- 229910052759 nickel Inorganic materials 0.000 claims description 6
- 229910000822 Cold-work tool steel Inorganic materials 0.000 claims description 5
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims description 5
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims description 5
- 238000005452 bending Methods 0.000 claims description 5
- 229910052751 metal Inorganic materials 0.000 claims description 5
- 239000002184 metal Substances 0.000 claims description 5
- 229910052698 phosphorus Inorganic materials 0.000 claims description 5
- 239000011574 phosphorus Substances 0.000 claims description 5
- 229910052717 sulfur Inorganic materials 0.000 claims description 5
- 239000011593 sulfur Substances 0.000 claims description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 4
- JCXGWMGPZLAOME-UHFFFAOYSA-N bismuth atom Chemical compound [Bi] JCXGWMGPZLAOME-UHFFFAOYSA-N 0.000 claims description 4
- 229910052802 copper Inorganic materials 0.000 claims description 4
- 238000000034 method Methods 0.000 claims description 4
- 239000011669 selenium Substances 0.000 claims description 4
- 238000000137 annealing Methods 0.000 claims description 3
- 239000000126 substance Substances 0.000 claims description 3
- BUGBHKTXTAQXES-UHFFFAOYSA-N Selenium Chemical compound [Se] BUGBHKTXTAQXES-UHFFFAOYSA-N 0.000 claims description 2
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims description 2
- 229910052787 antimony Inorganic materials 0.000 claims description 2
- WATWJIUSRGPENY-UHFFFAOYSA-N antimony atom Chemical compound [Sb] WATWJIUSRGPENY-UHFFFAOYSA-N 0.000 claims description 2
- 229910052785 arsenic Inorganic materials 0.000 claims description 2
- RQNWIZPPADIBDY-UHFFFAOYSA-N arsenic atom Chemical compound [As] RQNWIZPPADIBDY-UHFFFAOYSA-N 0.000 claims description 2
- 229910052797 bismuth Inorganic materials 0.000 claims description 2
- 238000001513 hot isostatic pressing Methods 0.000 claims description 2
- 239000000155 melt Substances 0.000 claims description 2
- 238000002844 melting Methods 0.000 claims description 2
- 230000008018 melting Effects 0.000 claims description 2
- 229910052711 selenium Inorganic materials 0.000 claims description 2
- 238000010438 heat treatment Methods 0.000 claims 1
- 238000010310 metallurgical process Methods 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 description 11
- 229910045601 alloy Inorganic materials 0.000 description 10
- 239000000956 alloy Substances 0.000 description 10
- 239000011651 chromium Substances 0.000 description 6
- 230000000694 effects Effects 0.000 description 6
- 239000011159 matrix material Substances 0.000 description 6
- 238000012360 testing method Methods 0.000 description 6
- 229910000997 High-speed steel Inorganic materials 0.000 description 4
- 238000005275 alloying Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 238000009864 tensile test Methods 0.000 description 4
- 230000002349 favourable effect Effects 0.000 description 3
- 230000007774 longterm Effects 0.000 description 3
- 150000001247 metal acetylides Chemical class 0.000 description 3
- LEONUFNNVUYDNQ-UHFFFAOYSA-N vanadium atom Chemical compound [V] LEONUFNNVUYDNQ-UHFFFAOYSA-N 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 229910052804 chromium Inorganic materials 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 238000010791 quenching Methods 0.000 description 2
- 230000000171 quenching effect Effects 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 238000005496 tempering Methods 0.000 description 2
- 229910052720 vanadium Inorganic materials 0.000 description 2
- 229910000735 Pm alloy Inorganic materials 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 238000000889 atomisation Methods 0.000 description 1
- 229910001566 austenite Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 238000012512 characterization method Methods 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000004049 embossing Methods 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 229910000734 martensite Inorganic materials 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000005121 nitriding Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000004663 powder metallurgy Methods 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000006104 solid solution Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000002195 synergetic effect Effects 0.000 description 1
- 238000004154 testing of material Methods 0.000 description 1
- 230000001960 triggered effect Effects 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
- C22C38/02—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
- C22C33/00—Making ferrous alloys
- C22C33/02—Making ferrous alloys by powder metallurgy
- C22C33/0257—Making ferrous alloys by powder metallurgy characterised by the range of the alloying elements
-
- 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
- C22C38/22—Ferrous alloys, e.g. steel alloys containing chromium with molybdenum or tungsten
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/24—Ferrous alloys, e.g. steel alloys containing chromium with vanadium
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/30—Ferrous alloys, e.g. steel alloys containing chromium with cobalt
Definitions
- the invention relates to a cold work tool steel article. More precisely refers the invention relates to a cold work tool steel article with improved Property profile, in particular with high strength and high ductility.
- Increased resistance to abrasive wear is found in iron-based materials with a high carbide content, especially with a high monocarbide content in a hard one Matrix on.
- Such steels usually have a high carbon content of up to 2.5 Wt .-% at a concentration of monocarbide-forming elements to 15 Wt .-%, ie a high primary carbide content, but have a low Material toughness in the thermally tempered state.
- a powder metallurgical Production can be the microstructure, in particular the carbide size and the Carbide distribution in the material of the object improve, but many can a required material toughness can not be achieved.
- Improved toughness properties can be achieved with typical high alloy High-speed steel materials, for example according to DlN material no. 1.3351 at powder metallurgical production of the parts are achieved, but this is sufficient Toughening of the material for particularly stressed objects not out, so that in long-term operation often a failure by breaking the same occurs.
- the aim of the invention is now to provide a cold work tool steel article whose Material with high wear resistance and hardness increased toughness as well has a similar compressive strength and improved fatigue strength having.
- It is an object of the invention a Cold work steel object with at the same time high strength and Ductility values to identify what subject, especially in a Embodiment as matrices and stamp, high efficiency at a Large number production of parts yields.
- This object is achieved according to the invention in a cold work tool steel article with a chemical composition of the material in wt .-%: Carbon (C) more than 0.6 and less than 1.0 Silicon (Si) more than 0.3 and less than 0.85 Manganese (Mn) more than 0.2 and less than 1.5 Phosphorus (P) MAX 0.03 Sulfur (S) less than 0.5 Chrome (Cr) more than 4.0 and less than 6.2 Molybdenum (Mo) more than 1.9 and less than 3.8 Nickel (Ni) less than 0.9 Vanadin (V) more than 1.0 and less than 2.9 Tungsten (W) more than 1.8 and less than 3.4 Copper (Cu) less than 0.7 Cobalt (Co) more than 3,8 and less than 5.8 Aluminum (Al) less than 0.045 Nitrogen (N) less than 0.2 Oxygen (O) MAX 0.012 Iron (Fe)
- the advantages achieved by the invention essentially consist in that a Material composition within narrow limits as well as a powder metallurgical Synergetic production conditions Create cold work steel object, which after a thermal annealing has a desired property profile.
- the carbon content is based on the sum of the carbide formers in the alloy aligned on the one hand to form carbides and on the other hand, the hardenability and to determine the desired properties of the matrix. Concentrations of Carbon of more than 0.6 wt% is required to be used at the intended time Maximum contents of the carbide - forming elements when tempering high hardness values In contrast, contents of less than 1.0% by weight are important to achieve to set a desired amount of carbide and carbide morphology.
- the carbide-forming elements chromium (Cr), molybdenum (Mo), vanadium (V) and Tungsten (W) are to be regarded as alloying together because their Carbon activity, as it turned out, in sum the composition of the Austenite or cubic face-centered atomic structure at hardening temperature and subsequently the matrix properties and the secondary ones Determine carbide precipitations after at least one annealing.
- the Secondary hardness potential must be determined with a residual vanadium and the contents.
- the elements molybdenum (Mo) and tungsten (W) are seen because of Concentrations in wt .-% of 3.8 molybdenum (Mo), as well as 3.4 tungsten (W) and greater already causes a deterioration of matrix toughness, where however, larger than 1.9 molybdenum (Mo) and 1.8 tungsten (W) for a advantageous Vanadinmask réelle to avoid large sharp-edged monocarbides required are.
- the Molybdenum content is at most 10% greater than that of tungsten (W).
- Silicon contents of more than 0.3 wt% are lower to ensure Oxygen levels in the material required. Less than 0.85 wt .-% silicon should be provided in the alloy to a ferrite-stabilizing effect and a reduction in the cure of the matrix by this element counteract.
- a required cooling rate in the curing of the Subject-controlling element should, according to the invention contents in the material in wt .-% of less than 1.5. Because, however, for a bond Residual sulfur in the alloy low manganese concentrations are required to provide a minimum value greater than 0.2% by weight.
- nickel contents in the material of less than 0.9 Adjust% by weight.
- Cobalt is also effective in terms of the applicable tempering technology, however, according to the invention, this effect was taken into consideration by alloying technology.
- a concentration in the matrix of more than 3.8 and less than 5.8 wt% Cobalt meaningful.
- Cobalt in the limits according to the invention is the Kinetics and the size of secondary carbide precipitates favorable in terms influenced on the material properties. It will be very fine, the secondary hardness carbides are formed and reduces their coarsening tendency, thereby a significantly delayed softening of the quenched alloy by increased Temperatures are. Lower cobalt contents than 3.8% by weight lower the hardness as well as the fatigue strength of the material. Cobalt values of 5.8 wt .-% and in turn, the toughness of the material, in turn, decreases significantly.
- a powder metallurgical production of the cold-work tool article important. Due to an alloying effect caused by im Essentially round primary carbides of small diameter and one high degree of purity with favorable microstructure of the material was possible, usually a sharp-edged carbide and Contamination particles triggered crack initiation to avoid. Such is at high Material hardness a high impact bending work of the material as well as a favorable Fatigue resistance of the steel object achievable in use.
- the performance characteristics of a cold work tool article according to the invention can be further enhanced if one or more elements in the material are present in a concentration in wt% of: Carbon (C) more than 0.75 and less than 0.94, in particular more than 0.8 and less than 0.9 Silicon (Si) more than 0.35 and less than 0.7, in particular more than 0.4 and less than 0.65 Manganese (Mn) more than 0.25 and less than 0.9, in particular more than 0.3 and less than 0.5 Phosphorus (P) MAX 0.025 Sulfur (S) less than 0.34, especially MAX 0.025 Chrome (Cr) more than 0.4 and less than 5.9 especially more than 4.1 and less than 4.5 Molybdenum (Mo) more than 2.2 and less than 3.4, especially more than 2.5 and less than 3.0 Nickel (Ni) less than 0.5 Vanadin (V) more than 1.5 and less than 2.6 especially more than 1.8 and less than 2.4 Tungsten (W) more than 2.0 and less than 3.0 Copper (Cu) less than 0.
- impurity element in the material have a concentration in wt .-% of: Tin (Sn) MAX 0.02 Antimony (Sb) MAX 0.022 Arsenic (As) MAX 0.03 Selenium (Se) MAX 0.012 Bismuth (bi) MAX 0.01
- the purity and thus the mechanical properties of the material, especially the toughness, can be promoted if that powder metallurgical process an atomizing of the melt with highly pure Nitrogen to metal powder with a Pulverkomucc of at most 500 microns and in the result essentially an introduction of the powder while avoiding Oxygen entry into a vessel and hot isostatic pressing of the metal powder in the closed vessel to create a blank comprises.
- the hot isostatic pressed blank is further processed by hot forming.
- the cold work tool object Compressive flow limit of more than 2700 MPa measured at a hardness of 61 HRC owns, are highly reliable extrusion dies with intricate delicate Moldings produced, which even in long-term operation low wear of the Surface and the like show danger of cracking.
- An advantage for a hard embossing insert with impact load in the Long-term operation can be provided according to the invention that the Cold work tool article after thermal quenching to a hardness of 64 HRC an impact work at room temperature greater than 80.0 joule (J), preferably greater than 100 joules (J).
- the 0.2% compression limit of the material was tested in compression according to DIN 50106 determined at room temperature.
- Abrasion wear was tested with SiC abrasive paper P 120.
- Material testing uses different methods of characterization strength and ductility of metallic materials. The most important attempt is the uniaxial tensile test. With this experiment, essential strength and Ductility characteristics are determined. In addition, this experiment allows Statements about the hardening behavior of the materials under uniaxial Tensile stress.
- Fig. 1 the elongation at break of the material according to the invention in comparison with a high speed steel HS-6-5-4 depending on one with a thermal Compensation set material hardness shown, taking the test under Use of the samples described above.
- the elongation at break of the alloy according to the invention lies throughout Hardness range of materials higher than that of the comparative steel and points especially in the upper hardness range from 58 HRC to 62 HRC one to four times higher Breaking strain on.
- the alloy according to the invention has a very high good abrasive wear resistance, which was determined in the SiC sandpaper test. This property was despite one opposite in this application field Standard PM alloys used achieved reduced primary carbide content.
- the mean wear value for the specified alloys is 7g -1 at a hardness of 61 HRC.
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- 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)
- Manufacture Of Metal Powder And Suspensions Thereof (AREA)
Abstract
Description
Kohlenstoff (C) | mehr als 0,6 und | weniger als 1,0 |
Silizium (Si) | mehr als 0,3 und | weniger als 0,85 |
Mangan (Mn) | mehr als 0,2 und | weniger als 1,5 |
Phosphor (P) | MAX 0,03 | |
Schwefel (S) | weniger als 0,5 | |
Chrom (Cr) | mehr als 4,0 und | weniger als 6,2 |
Molybdän (Mo) | mehr als 1,9 und | weniger als 3,8 |
Nickel (Ni) | weniger als 0,9 | |
Vanadin (V) | mehr als 1,0 und | weniger als 2,9 |
Wolfram (W) | mehr als 1,8 und | weniger als 3,4 |
Kupfer (Cu) | weniger als 0,7 | |
Kobalt (Co) | mehr als 3,8 und | weniger als 5,8 |
Aluminium (Al) | weniger als 0,045 | |
Stickstoff (N) | weniger als 0,2 | |
Sauerstoff (O) | MAX 0,012 | |
Eisen (Fe) |
Kohlenstoff (C) | mehr als 0,75 und weniger als 0,94 insbesondere mehr als 0,8 und weniger als 0,9 |
Silizium (Si) | mehr als 0,35 und weniger als 0,7 insbesondere mehr als 0,4 und weniger als 0,65 |
Mangan (Mn) | mehr als 0,25 und weniger als 0,9 insbesondere mehr als 0,3 und weniger als 0,5 |
Phosphor (P) | MAX 0,025 |
Schwefel (S) | weniger als 0,34 insbesondere MAX 0,025 |
Chrom (Cr) | mehr als 0,4 und weniger als 5,9 insbesondere mehr als 4,1 und weniger als 4,5 |
Molybdän (Mo) | mehr als 2,2 und weniger als 3,4 insbesondere mehr als 2,5 und weniger als 3,0 |
Nickel (Ni) | weniger als 0,5 |
Vanadin (V) | mehr als 1,5 und weniger als 2,6 insbesondere mehr als 1,8 und weniger als 2,4 |
Wolfram (W) | mehr als 2,0 und weniger als 3,0 |
Kupfer (Cu) | weniger als 0,45 insbesondere MAX 0,3 |
Kobald (Co) | mehr als 4,0 und weniger als 5,0 insbesondere mehr als 4,2 und weniger als 4,8 |
Aluminium (Al) | weniger als 0,065 insbesondere mehr als 0,01 und weniger als 0,05 |
Stickstoff (N) | mehr als 0,01 und weniger als 0,1 insbesondere mehr als 0,05 und weniger als 0,08 |
Sauerstoff (O) | MAX 0,01 insbesondere MAX 0,09 |
Zinn (Sn) | MAX 0,02 |
Antimon (Sb) | MAX 0,022 |
Arsen (As) | MAX 0,03 |
Selen (Se) | MAX 0,012 |
Wismuth (Bi) | MAX 0,01 |
Claims (7)
- Kaltarbeitsstahl-Gegenstand mit einer chemischen Zusammensetzung des Werkstoffes in Gew.-%:
Kohlenstoff (C) mehr als 0,6 und weniger als 1,0 Silizium (Si) mehr als 0,3 und weniger als 0,85 Mangan (Mn) mehr als 0,2 und weniger als 1,5 Phosphor (P) MAX 0,03 Schwefel (S) weniger als 0,5 Chrom (Cr) mehr als 4,0 und weniger als 6,2 Molybdän (Mo) mehr als 1,9 und weniger als 3,8 Nickel (Ni) weniger als 0,9 Vanadin (V) mehr als 1,0 und weniger als 2,9 Wolfram (W) mehr als 1,8 und weniger als 3,4 Kupfer (Cu) weniger als 0,7 Kobalt (Co) mehr als 3,8 und weniger als 5,8 Aluminium (Al) weniger als 0,045 Stickstoff (N) weniger als 0,2 Sauerstoff (O) MAX 0,012 Eisen (Fe) - Kaltarbeitsstahl-Gegenstand nach Anspruch 1, wobei ein oder mehrere Element(e) im Werkstoff eine Konzentration in Gew.-% aufweisen von:
Kohlenstoff (C) mehr als 0,75 und weniger als 0,94, insbesondere mehr als 0,8 und weniger als 0,9 Silizium (Si) mehr als 0,35 und weniger als 0,7 insbesondere mehr als 0,4 und weniger als 0,65 Mangan (Mn) mehr als 0,25 und weniger als 0,9 insbesondere mehr als 0,3 und weniger als 0,5 Phosphor (P) MAX 0,025 Schwefel (S) weniger als 0,34 insbesondere MAX 0,025 Chrom (Cr) mehr als 0,4 und weniger als 5,9 insbesondere mehr als 4,1 und weniger als 4,5 Molybdän (Mo) mehr als 2,2 und weniger als 3,4 insbesondere mehr als 2,5 und weniger als 3,0 Nickel (Ni) weniger als 0,5 Vanadin (V) mehr als 1,5 und weniger als 2,6 insbesondere mehr als 1,8 und weniger als 2,4 Wolfram (W) mehr als 2,0 und weniger als 3,0 Kupfer (Cu) weniger als 0,45 insbesondere MAX 0,3 Kobalt (Co) mehr als 4,0 und weniger als 5,0 insbesondere mehr als 4,2 und weniger als 4,8 Aluminium (Al) weniger als 0,065 insbesondere mehr als 0,01 und weniger als 0,05 Stickstoff (N) mehr als 0,01 und weniger als 0,1 insbesondere mehr als 0,05 und weniger als 0,08 Sauerstoff (O) MAX 0,01 insbesondere MAX 0,009 - Kaltarbeitsstahl-Gegenstand nach Anspruch 1 oder 2, wobei ein oder mehrere Verunreinigungselement(e) im Werkstoff eine Konzentration in Gew.-% aufweisen von:
Zinn (Sn) MAX 0,02 Antimon (Sb) MAX 0,022 Arsen (As) MAX 0,03 Selen (Se) MAX 0,012 Wismuth (Bi) MAX 0,01 - Kaltarbeitsstahl-Gegenstand nach einem der Ansprüche 1 bis 3, wobei das pulvermetallurgische Verfahren ein Verdüsen der Schmelze mit Stickstoff zu Metallpulver mit einer Pulverkomgroße von höchstens 500 µm und in der Folge im Wesentlichen ein Einbringen des Pulvers unter Vermeidung von Sauerstoffzutritt in ein Gefäß und ein heißisostatisches Pressen des Metallpulvers im verschlossenen Gefäß zur Erstellung eines Rohlings umfasst.
- Kaltarbeitsstahl-Gegenstand nach einem der Ansprüche 1 bis 4, wobei der heißisostatisch gepresste Rohling durch Warmumformung weiterverarbeitet ist.
- Kaltarbeitsstahl-Gegenstand nach einem der Ansprüche 1 bis 5, welcher eine Druckfließgrenze von mehr als 2700 MPa gemessen bei einer Härte von 61 HRC besitzt.
- Kaltarbeitsstahl-Gegenstand nach einem der Ansprüche 1 bis 6, welcher nach einem thermischen Vergüten auf eine Härte von 64 HRC eine Schlagbiegearbeit bei Raumtemperatur von größer 80,0 Joule (J), vorzugsweise von größer 100 Joule (J) besitzt.
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SI200430119T SI1471160T1 (sl) | 2003-04-24 | 2004-04-01 | Hladno preoblikovan jeklen izdelek |
PL04450082T PL1471160T3 (pl) | 2003-04-24 | 2004-04-01 | Przedmiot ze stali na narzędzia do pracy na zimno |
AT04450082T ATE340878T1 (de) | 2003-04-24 | 2004-04-01 | Kaltarbeitsstahl-gegenstand |
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AT6272003 | 2003-04-24 | ||
AT0062703A AT412000B (de) | 2003-04-24 | 2003-04-24 | Kaltarbeitsstahl-gegenstand |
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EP (1) | EP1471160B1 (de) |
AR (1) | AR044020A1 (de) |
AT (2) | AT412000B (de) |
BR (1) | BRPI0401477B1 (de) |
CA (1) | CA2465146C (de) |
DE (1) | DE502004001560D1 (de) |
DK (1) | DK1471160T3 (de) |
ES (1) | ES2274414T3 (de) |
HR (1) | HRP20060447T3 (de) |
PL (1) | PL1471160T3 (de) |
PT (1) | PT1471160E (de) |
RU (1) | RU2270879C2 (de) |
SI (1) | SI1471160T1 (de) |
UA (1) | UA81396C2 (de) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2233596A1 (de) * | 2009-03-12 | 2010-09-29 | Böhler Edelstahl GmbH & Co KG | Kaltarbeitsstahl-Gegenstand |
WO2022157227A1 (de) * | 2021-01-20 | 2022-07-28 | Voestalpine Böhler Edelstahl Gmbh & Co. Kg | Verfahren zur herstellung eines werkzeugstahls als träger für pvd-beschichtungen und ein werkzeugstahl |
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CN106191668A (zh) * | 2016-07-10 | 2016-12-07 | 程叙毅 | 一种排气门座圈材料及制备方法 |
CN105925898A (zh) * | 2016-07-10 | 2016-09-07 | 程叙毅 | 一种进气门座圈材料及制备方法 |
CN106191695A (zh) * | 2016-07-10 | 2016-12-07 | 程叙毅 | 一种耐磨耐热合金材料及制备方法 |
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JPS62250158A (ja) * | 1986-04-24 | 1987-10-31 | Sumitomo Metal Ind Ltd | 熱間鍛造金型用鋼 |
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JPH04180541A (ja) * | 1990-11-14 | 1992-06-26 | Hitachi Metals Ltd | 被削性に優れた冷間工具鋼 |
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EP0648851A1 (de) * | 1993-09-27 | 1995-04-19 | Crucible Materials Corporation | Artikel aus Schwefel enthaltenden Werkzeugstahlpulver und Verfahren zu seiner Herstellung |
JPH07316739A (ja) * | 1994-05-20 | 1995-12-05 | Daido Steel Co Ltd | 冷間工具鋼 |
JPH08100239A (ja) * | 1995-09-08 | 1996-04-16 | Daido Steel Co Ltd | 合金工具鋼 |
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EP1249511A1 (de) * | 2001-04-11 | 2002-10-16 | BÖHLER Edelstahl GmbH | PM-Schnellarbeitsstahl mit hoher Warmfestigkeit |
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JP4281857B2 (ja) * | 2001-08-09 | 2009-06-17 | 株式会社不二越 | 焼結工具鋼及びその製造方法 |
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2003
- 2003-04-24 AT AT0062703A patent/AT412000B/de not_active IP Right Cessation
-
2004
- 2004-03-16 UA UA2004031961A patent/UA81396C2/xx unknown
- 2004-04-01 ES ES04450082T patent/ES2274414T3/es not_active Expired - Lifetime
- 2004-04-01 PT PT04450082T patent/PT1471160E/pt unknown
- 2004-04-01 DK DK04450082T patent/DK1471160T3/da active
- 2004-04-01 PL PL04450082T patent/PL1471160T3/pl unknown
- 2004-04-01 DE DE502004001560T patent/DE502004001560D1/de not_active Expired - Lifetime
- 2004-04-01 EP EP04450082A patent/EP1471160B1/de not_active Expired - Lifetime
- 2004-04-01 AT AT04450082T patent/ATE340878T1/de active
- 2004-04-01 SI SI200430119T patent/SI1471160T1/sl unknown
- 2004-04-15 AR ARP040101267A patent/AR044020A1/es active IP Right Grant
- 2004-04-22 BR BRPI0401477-4A patent/BRPI0401477B1/pt active IP Right Grant
- 2004-04-23 RU RU2004112557/02A patent/RU2270879C2/ru active
- 2004-04-23 CA CA002465146A patent/CA2465146C/en not_active Expired - Lifetime
- 2004-04-23 US US10/830,003 patent/US7682417B2/en active Active
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JPS62250158A (ja) * | 1986-04-24 | 1987-10-31 | Sumitomo Metal Ind Ltd | 熱間鍛造金型用鋼 |
JPH03236445A (ja) * | 1989-12-12 | 1991-10-22 | Hitachi Metals Ltd | 冷間工具鋼 |
JPH04180541A (ja) * | 1990-11-14 | 1992-06-26 | Hitachi Metals Ltd | 被削性に優れた冷間工具鋼 |
JPH06246338A (ja) * | 1993-02-25 | 1994-09-06 | Sanyo Special Steel Co Ltd | 軽金属等の押出用大型ダイスの製造方法 |
EP0648851A1 (de) * | 1993-09-27 | 1995-04-19 | Crucible Materials Corporation | Artikel aus Schwefel enthaltenden Werkzeugstahlpulver und Verfahren zu seiner Herstellung |
US5522914A (en) * | 1993-09-27 | 1996-06-04 | Crucible Materials Corporation | Sulfur-containing powder-metallurgy tool steel article |
JPH07316739A (ja) * | 1994-05-20 | 1995-12-05 | Daido Steel Co Ltd | 冷間工具鋼 |
JPH08100239A (ja) * | 1995-09-08 | 1996-04-16 | Daido Steel Co Ltd | 合金工具鋼 |
US5753005A (en) * | 1996-01-16 | 1998-05-19 | Hitachi Powdered Metals Co., Ltd. | Source powder for wear-resistant sintered material |
EP1249511A1 (de) * | 2001-04-11 | 2002-10-16 | BÖHLER Edelstahl GmbH | PM-Schnellarbeitsstahl mit hoher Warmfestigkeit |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
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EP2233596A1 (de) * | 2009-03-12 | 2010-09-29 | Böhler Edelstahl GmbH & Co KG | Kaltarbeitsstahl-Gegenstand |
WO2022157227A1 (de) * | 2021-01-20 | 2022-07-28 | Voestalpine Böhler Edelstahl Gmbh & Co. Kg | Verfahren zur herstellung eines werkzeugstahls als träger für pvd-beschichtungen und ein werkzeugstahl |
Also Published As
Publication number | Publication date |
---|---|
SI1471160T1 (sl) | 2007-02-28 |
ES2274414T3 (es) | 2007-05-16 |
UA81396C2 (en) | 2008-01-10 |
BRPI0401477B1 (pt) | 2013-05-28 |
US20050002819A1 (en) | 2005-01-06 |
BRPI0401477A (pt) | 2005-01-18 |
ATE340878T1 (de) | 2006-10-15 |
ATA6272003A (de) | 2004-01-15 |
HRP20060447T3 (en) | 2007-03-31 |
DE502004001560D1 (de) | 2006-11-09 |
CA2465146A1 (en) | 2004-10-24 |
AT412000B (de) | 2004-08-26 |
US7682417B2 (en) | 2010-03-23 |
DK1471160T3 (da) | 2007-01-29 |
RU2270879C2 (ru) | 2006-02-27 |
RU2004112557A (ru) | 2005-10-27 |
PT1471160E (pt) | 2007-01-31 |
EP1471160B1 (de) | 2006-09-27 |
CA2465146C (en) | 2008-04-08 |
PL1471160T3 (pl) | 2007-02-28 |
AR044020A1 (es) | 2005-08-24 |
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