CA2424074A1 - Steel and method for producing an intermediate product - Google Patents
Steel and method for producing an intermediate product Download PDFInfo
- Publication number
- CA2424074A1 CA2424074A1 CA002424074A CA2424074A CA2424074A1 CA 2424074 A1 CA2424074 A1 CA 2424074A1 CA 002424074 A CA002424074 A CA 002424074A CA 2424074 A CA2424074 A CA 2424074A CA 2424074 A1 CA2424074 A1 CA 2424074A1
- Authority
- CA
- Canada
- Prior art keywords
- steel
- max
- hot forming
- intermediate product
- cndot
- 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.)
- Granted
Links
- 229910000831 Steel Inorganic materials 0.000 title claims abstract 18
- 239000010959 steel Substances 0.000 title claims abstract 18
- 239000013067 intermediate product Substances 0.000 title claims 5
- 238000004519 manufacturing process Methods 0.000 title claims 5
- 229910052802 copper Inorganic materials 0.000 claims abstract 7
- 229910052698 phosphorus Inorganic materials 0.000 claims abstract 7
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract 4
- 229910052785 arsenic Inorganic materials 0.000 claims abstract 4
- 229910052796 boron Inorganic materials 0.000 claims abstract 4
- 229910052804 chromium Inorganic materials 0.000 claims abstract 4
- 229910052748 manganese Inorganic materials 0.000 claims abstract 4
- 239000000203 mixture Substances 0.000 claims abstract 4
- 229910052750 molybdenum Inorganic materials 0.000 claims abstract 4
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract 4
- 229910052717 sulfur Inorganic materials 0.000 claims abstract 4
- 229910052718 tin Inorganic materials 0.000 claims abstract 4
- 238000005260 corrosion Methods 0.000 claims abstract 3
- 230000007797 corrosion Effects 0.000 claims abstract 3
- 229910052758 niobium Inorganic materials 0.000 claims abstract 3
- 229910052684 Cerium Inorganic materials 0.000 claims abstract 2
- 239000012535 impurity Substances 0.000 claims abstract 2
- 229910052742 iron Inorganic materials 0.000 claims abstract 2
- 238000000034 method Methods 0.000 claims 6
- 229910052782 aluminium Inorganic materials 0.000 claims 3
- 239000002994 raw material Substances 0.000 claims 3
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims 2
- 239000005864 Sulphur Substances 0.000 claims 2
- 238000001816 cooling Methods 0.000 claims 2
- 238000000137 annealing Methods 0.000 claims 1
- 238000005266 casting Methods 0.000 claims 1
- 239000002826 coolant Substances 0.000 claims 1
- 238000009792 diffusion process Methods 0.000 claims 1
- 238000005242 forging Methods 0.000 claims 1
- 238000010438 heat treatment Methods 0.000 claims 1
- 238000005098 hot rolling Methods 0.000 claims 1
- 238000002844 melting Methods 0.000 claims 1
- 230000008018 melting Effects 0.000 claims 1
- 239000004033 plastic Substances 0.000 claims 1
- 229920003023 plastic Polymers 0.000 claims 1
- 229920000642 polymer Polymers 0.000 claims 1
- 238000005496 tempering Methods 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims 1
- 238000005553 drilling Methods 0.000 abstract 1
- 229910052759 nickel Inorganic materials 0.000 abstract 1
- 229910052720 vanadium Inorganic materials 0.000 abstract 1
Classifications
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/001—Ferrous alloys, e.g. steel alloys containing N
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/002—Ferrous alloys, e.g. steel alloys containing In, Mg, or other elements not provided for in one single group C22C38/001 - C22C38/60
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/008—Ferrous alloys, e.g. steel alloys containing tin
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/42—Ferrous alloys, e.g. steel alloys containing chromium with nickel with copper
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/44—Ferrous alloys, e.g. steel alloys containing chromium with nickel 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
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/46—Ferrous alloys, e.g. steel alloys containing chromium with nickel with vanadium
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—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
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/58—Ferrous alloys, e.g. steel alloys containing chromium with nickel 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
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/60—Ferrous alloys, e.g. steel alloys containing lead, selenium, tellurium, or antimony, or more than 0.04% by weight of sulfur
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/02—Hardening articles or materials formed by forging or rolling, with no further heating beyond that required for the formation
-
- 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
- C21D7/00—Modifying the physical properties of iron or steel by deformation
- C21D7/13—Modifying the physical properties of iron or steel by deformation by hot working
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Heat Treatment Of Steel (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
The invention relates to a steel for tools which are especially exposed to corrosion. Said steel has the following composition (in mass per cent): C: a t least 0.02 and at most 0.12 %, Si: at most 1,5 %, Mn: more than 1.0 2.5 %, P : at most 0.035 %, S: at least 0.04 % and less than 0.15 %, Cr: more than 8.0 % and less than 12 %, Mo: more than 0.0 % and at most 0.2 %, V: more than 0.0 % and at most 0.25 %, Nb: more than 0.1 % and at most 0.5 %, N: at least 0.02 and at most 0.12 %, Ni: at most 0.5 %, B: at most 0.005 %, Cu: at most 0.3 % , Al at most 0.035 %, Sn: at most 0.035 %, As: at most 0.02 %, and at least on e of the elements Ca, Mg or Ce, the total of the contents of said elements amounting to at least 0.0002 % and at most 0.015 %, the rest consisting of iron and unavoidable impurities. Diag.1. A. wear of cutting edges in mm B. drilling course in mm C. steel
Claims (15)
1. A steel, in particular for tools exposed to corrosion, of the following composition (in mass-%):
C: min. 0.02 and max. 0.12%;
Si: max. 1.5 %;
Mn: more than 1.0 - 2.50%;
P: max. 0.035 %;
S: min. 0.04 % and less than 0.15 %;
Cr: more than 8.0 % and less than 12 %;
Mo: more than 0.0 % and maxØ20 %;
V: more than 0.0 % and maxØ25 %;
Nb: more than 0.1 % and maxØ5 %;
N: at least 0.2% and maxØ12 %;
Ni: max. 0.5 %;
B: max. 0.005 %;
Cu: max. 0.3 %;
Al: max. 0.035 %;
Sn: max. 0.035 %
As: max. 0.02 %;
at least one of the element Ca, Mg or Ce, wherein the sum of the contents of these elements is more than 0.0002 % and max. 0.015%;
with the remainder being iron and unavoidable impurities.
C: min. 0.02 and max. 0.12%;
Si: max. 1.5 %;
Mn: more than 1.0 - 2.50%;
P: max. 0.035 %;
S: min. 0.04 % and less than 0.15 %;
Cr: more than 8.0 % and less than 12 %;
Mo: more than 0.0 % and maxØ20 %;
V: more than 0.0 % and maxØ25 %;
Nb: more than 0.1 % and maxØ5 %;
N: at least 0.2% and maxØ12 %;
Ni: max. 0.5 %;
B: max. 0.005 %;
Cu: max. 0.3 %;
Al: max. 0.035 %;
Sn: max. 0.035 %
As: max. 0.02 %;
at least one of the element Ca, Mg or Ce, wherein the sum of the contents of these elements is more than 0.0002 % and max. 0.015%;
with the remainder being iron and unavoidable impurities.
2. The steel according to claim 1, characterised in that it contains 0.001 - 0.009 mass-% of Ca.
3. The steel according to one of claims 1 or 2, characterised in that its hardness factor Hf meets the following condition:
0.047 < H f <= 0.095, wherein H f = 0.11 - %Nb / 7.14 with %Nb designating the respective Nb content of the steel.
0.047 < H f <= 0.095, wherein H f = 0.11 - %Nb / 7.14 with %Nb designating the respective Nb content of the steel.
4. The steel according to one of the preceding claims, characterised in that its weld factor Sf meets the following condition:
Sf < 3.99, wherein S f = %C + 5x%B + 2x%Cu + (%P+%S)/2 +
(%Mo+%Cr)/4 + %Mn/10 and wherein %C, %B, %Cu, %P, %S, %Mo, %Cr, %Mn designate the respective contents of C, B, Cu, P, S, Mo, Cr and Mn of the steel.
Sf < 3.99, wherein S f = %C + 5x%B + 2x%Cu + (%P+%S)/2 +
(%Mo+%Cr)/4 + %Mn/10 and wherein %C, %B, %Cu, %P, %S, %Mo, %Cr, %Mn designate the respective contents of C, B, Cu, P, S, Mo, Cr and Mn of the steel.
5. The steel according to one of the preceding claims, characterised in that its embrittlement factor KGf meets the following condition:
KG f < 1.07;
wherein KG f = 2.97x%Cu + 3.2x(%Sn+%As) + 0.55x%Al + 5.42x%P +
0.98%N
with %Cu, %Sn, %As, %Al, %P and %N designating the respective contents of Cu, Sn, As, Al, P and N of the steel.
KG f < 1.07;
wherein KG f = 2.97x%Cu + 3.2x(%Sn+%As) + 0.55x%Al + 5.42x%P +
0.98%N
with %Cu, %Sn, %As, %Al, %P and %N designating the respective contents of Cu, Sn, As, Al, P and N of the steel.
6. The steel according to any one of the preceding claims, characterised in that it comprises at least 0.05 mass-% of sulphur.
7. The steel according to any one of the preceding claims, characterised in that it comprises at least 0.07 mass-% of sulphur.
8. A method for producing an intermediate product for the production of components, in particular for the production of tools exposed to corrosion, made from a steel with a composition according to any one of claims 1 to 7, comprising the following steps:
.cndot. melting the steel;
.cndot. casting the steel to form a raw material such as ingots, slabs, continuous-cast bars, thin slabs or cast strip;
.cndot. diffusion annealing of the raw material at a temperature between 1200 and 1280 °C; and .cndot. hot forming the annealed raw material to form the intermediate product.
.cndot. melting the steel;
.cndot. casting the steel to form a raw material such as ingots, slabs, continuous-cast bars, thin slabs or cast strip;
.cndot. diffusion annealing of the raw material at a temperature between 1200 and 1280 °C; and .cndot. hot forming the annealed raw material to form the intermediate product.
9. The method according to claim 8, characterised in that hot forming is carried out by way of forging.
10. The method according to claim 8, characterised in that hot forming is carried out by way of hot rolling.
11. The method according to any one of claims 7 to 10, characterised in that following hot forming, the intermediate product is held where it is exposed to air.
12. The method according to any one of claims 7 to 11, characterised in that hot forming takes place at temperatures between 850 °C and 1150 °C.
13. The method according to any one of claims 7 to 12, characterised in that following hot forming, the intermediate product is heat treated at temperatures between 850 °C and 1050 °C and after heat treatment is subjected to controlled cooling with the use of a cooling medium such as air, oil, water or a polymer.
14. The method according to claim 13, characterised in that after cooling, tempering at temperatures between 400 °C and 650 °C is carried out.
15. The use of a steel with a composition according to any one of claims 1 to 6 for the production of tools for plastics processing.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE10103290.0 | 2001-01-25 | ||
| DE10103290A DE10103290A1 (en) | 2001-01-25 | 2001-01-25 | Steel and process for producing an intermediate |
| PCT/EP2002/000746 WO2002059389A2 (en) | 2001-01-25 | 2002-01-25 | Steel and method for producing an intermediate product |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2424074A1 true CA2424074A1 (en) | 2003-03-28 |
| CA2424074C CA2424074C (en) | 2011-03-15 |
Family
ID=7671694
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA2424074A Expired - Fee Related CA2424074C (en) | 2001-01-25 | 2002-01-25 | Steel and method for producing an intermediate product |
Country Status (12)
| Country | Link |
|---|---|
| US (1) | US20040050459A1 (en) |
| EP (1) | EP1358359B1 (en) |
| JP (1) | JP3943499B2 (en) |
| AT (1) | ATE269911T1 (en) |
| AU (1) | AU2002250853B2 (en) |
| CA (1) | CA2424074C (en) |
| DE (2) | DE10103290A1 (en) |
| DK (1) | DK1358359T3 (en) |
| ES (1) | ES2223037T3 (en) |
| PT (1) | PT1358359E (en) |
| TR (1) | TR200402213T4 (en) |
| WO (1) | WO2002059389A2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2872825B1 (en) * | 2004-07-12 | 2007-04-27 | Industeel Creusot | MARTENSITIC STAINLESS STEEL FOR MOLDS AND CARCASES OF INJECTION MOLDS |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2287521A1 (en) * | 1974-10-11 | 1976-05-07 | Ugine Aciers | DECOLLETAGE STEEL |
| US4434006A (en) * | 1979-05-17 | 1984-02-28 | Daido Tokushuko Kabushiki Kaisha | Free cutting steel containing controlled inclusions and the method of making the same |
| US4294613A (en) * | 1979-07-03 | 1981-10-13 | Henrik Giflo | Acid resistant, high-strength steel suitable for polishing |
| JPS59153831A (en) * | 1983-02-23 | 1984-09-01 | Sumitomo Metal Ind Ltd | Manufacture of heat resistant ferritic stainless steel plate |
| JPH01215489A (en) * | 1988-02-19 | 1989-08-29 | Sumitomo Metal Ind Ltd | Welding material for high cr ferrite steel |
| JP3068216B2 (en) * | 1990-12-28 | 2000-07-24 | 東北特殊鋼株式会社 | High cold forging electromagnetic stainless steel |
| US5362337A (en) * | 1993-09-28 | 1994-11-08 | Crs Holdings, Inc. | Free-machining martensitic stainless steel |
| US6090230A (en) * | 1996-06-05 | 2000-07-18 | Sumitomo Metal Industries, Ltd. | Method of cooling a steel pipe |
| JP2000144334A (en) * | 1998-11-06 | 2000-05-26 | Daido Steel Co Ltd | Steel for aluminum diecasting die excellent in erosion resistance |
-
2001
- 2001-01-25 DE DE10103290A patent/DE10103290A1/en not_active Withdrawn
-
2002
- 2002-01-25 ES ES02719725T patent/ES2223037T3/en not_active Expired - Lifetime
- 2002-01-25 CA CA2424074A patent/CA2424074C/en not_active Expired - Fee Related
- 2002-01-25 JP JP2002559870A patent/JP3943499B2/en not_active Expired - Fee Related
- 2002-01-25 DK DK02719725T patent/DK1358359T3/en active
- 2002-01-25 PT PT02719725T patent/PT1358359E/en unknown
- 2002-01-25 WO PCT/EP2002/000746 patent/WO2002059389A2/en active IP Right Grant
- 2002-01-25 EP EP02719725A patent/EP1358359B1/en not_active Expired - Lifetime
- 2002-01-25 AU AU2002250853A patent/AU2002250853B2/en not_active Ceased
- 2002-01-25 US US10/470,139 patent/US20040050459A1/en not_active Abandoned
- 2002-01-25 TR TR2004/02213T patent/TR200402213T4/en unknown
- 2002-01-25 AT AT02719725T patent/ATE269911T1/en active
- 2002-01-25 DE DE50200545T patent/DE50200545D1/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| EP1358359B1 (en) | 2004-06-23 |
| ES2223037T3 (en) | 2005-02-16 |
| WO2002059389A3 (en) | 2002-09-19 |
| TR200402213T4 (en) | 2004-10-21 |
| DE50200545D1 (en) | 2004-07-29 |
| JP2004520487A (en) | 2004-07-08 |
| PT1358359E (en) | 2004-11-30 |
| WO2002059389A2 (en) | 2002-08-01 |
| AU2002250853B2 (en) | 2006-08-03 |
| US20040050459A1 (en) | 2004-03-18 |
| DE10103290A1 (en) | 2002-08-22 |
| ATE269911T1 (en) | 2004-07-15 |
| CA2424074C (en) | 2011-03-15 |
| EP1358359A2 (en) | 2003-11-05 |
| DK1358359T3 (en) | 2004-10-18 |
| JP3943499B2 (en) | 2007-07-11 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request | ||
| MKLA | Lapsed |
Effective date: 20160125 |