DE3625430C2 - - Google Patents
Info
- Publication number
- DE3625430C2 DE3625430C2 DE3625430A DE3625430A DE3625430C2 DE 3625430 C2 DE3625430 C2 DE 3625430C2 DE 3625430 A DE3625430 A DE 3625430A DE 3625430 A DE3625430 A DE 3625430A DE 3625430 C2 DE3625430 C2 DE 3625430C2
- Authority
- DE
- Germany
- Prior art keywords
- cooled
- steel wire
- temperature
- austenitic
- rolled steel
- 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
Links
- 229910000831 Steel Inorganic materials 0.000 claims description 35
- 239000010959 steel Substances 0.000 claims description 35
- 238000000034 method Methods 0.000 claims description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 15
- 238000005096 rolling process Methods 0.000 claims description 14
- 238000004519 manufacturing process Methods 0.000 claims description 6
- 238000010438 heat treatment Methods 0.000 claims description 3
- 238000011282 treatment Methods 0.000 description 15
- 229910052804 chromium Inorganic materials 0.000 description 8
- 239000011651 chromium Substances 0.000 description 8
- 239000000047 product Substances 0.000 description 8
- 238000001816 cooling Methods 0.000 description 6
- 238000005260 corrosion Methods 0.000 description 6
- 230000007797 corrosion Effects 0.000 description 6
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 5
- 229910000963 austenitic stainless steel Inorganic materials 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 239000007795 chemical reaction product Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 238000005098 hot rolling Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 150000001247 metal acetylides Chemical class 0.000 description 2
- 229910000589 SAE 304 stainless steel Inorganic materials 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- -1 chromium carbides Chemical class 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000029142 excretion Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 238000009864 tensile test Methods 0.000 description 1
- 229910000859 α-Fe Inorganic materials 0.000 description 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
- C21—METALLURGY OF IRON
- C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
- C21C5/00—Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel or stainless steel
- C21C5/28—Manufacture of steel in the converter
- C21C5/42—Constructional features of converters
- C21C5/46—Details or accessories
- C21C5/4606—Lances or injectors
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D6/00—Heat treatment of ferrous alloys
- C21D6/004—Heat treatment of ferrous alloys containing Cr and Ni
-
- 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
-
- 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
- C21D8/06—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of rods or wires
- C21D8/065—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of rods or wires of ferrous alloys
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Metallurgy (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- Crystallography & Structural Chemistry (AREA)
- Physics & Mathematics (AREA)
- Manufacturing & Machinery (AREA)
- Heat Treatment Of Strip Materials And Filament Materials (AREA)
- Heat Treatment Of Steel (AREA)
- Heat Treatment Of Articles (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT48439/85A IT1200101B (it) | 1985-08-01 | 1985-08-01 | Procedimento di trattamento termico per vergella in acciaio inossidabile |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE3625430A1 DE3625430A1 (de) | 1987-02-12 |
| DE3625430C2 true DE3625430C2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1989-07-20 |
Family
ID=11266552
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19863625430 Granted DE3625430A1 (de) | 1985-08-01 | 1986-07-28 | Verfahren zur waermebehandlung austenitischen und ferritischen nicht-rostenden walzstahldrahts |
Country Status (9)
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2510783B2 (ja) * | 1990-11-28 | 1996-06-26 | 新日本製鐵株式会社 | 低温靭性の優れたクラッド鋼板の製造方法 |
| US20090016925A1 (en) * | 2005-05-18 | 2009-01-15 | Hohwa Co., Ltd. | High silicon stainless steel, spring made thereof, and process for manufacturing high silicon stainless steel |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5356120A (en) * | 1976-11-02 | 1978-05-22 | Nippon Steel Corp | Production of high tensile bolt for low temperature service |
| SE416408B (sv) * | 1977-06-14 | 1980-12-22 | Fagersta Ab | Valstrad med finkornig struktur och sett att framstella denna |
| JPS5591944A (en) * | 1978-12-29 | 1980-07-11 | Kawasaki Steel Corp | Preparation for hot rolled steel strip of high chromium ferrite stainless steel containing molybdenum |
| JPS5922773B2 (ja) * | 1979-09-06 | 1984-05-29 | 新日本製鐵株式会社 | オ−ステナイト系ステンレス線材の直接熱処理方法 |
| JPS56123327A (en) * | 1980-02-29 | 1981-09-28 | Sumitomo Metal Ind Ltd | Production of highly formable ferritic stainless steel sheet of good surface characteristic |
| JPS56166335A (en) * | 1980-05-24 | 1981-12-21 | Daido Steel Co Ltd | Heat treatment of ferrite stainless steel wire rod |
| JPS5747835A (en) * | 1980-09-04 | 1982-03-18 | Nippon Steel Corp | Production of steel wire material for spring |
| JPS5942050B2 (ja) * | 1981-03-31 | 1984-10-12 | 株式会社豊田中央研究所 | ステンレス鋼材固溶化熱処理時の冷却方法 |
| JPS58193318A (ja) * | 1982-04-30 | 1983-11-11 | Sumitomo Metal Ind Ltd | 高強度ステンレス鋼材の製造方法 |
| JPS6026619A (ja) * | 1983-07-22 | 1985-02-09 | Nippon Kokan Kk <Nkk> | オ−ステナイト系ステンレス厚鋼板の製造方法 |
| US4619714A (en) * | 1984-08-06 | 1986-10-28 | The Regents Of The University Of California | Controlled rolling process for dual phase steels and application to rod, wire, sheet and other shapes |
| JPS6169917A (ja) * | 1984-09-14 | 1986-04-10 | Nippon Kokan Kk <Nkk> | フエライト系ステンレス鋼の製造方法 |
-
1985
- 1985-08-01 IT IT48439/85A patent/IT1200101B/it active
-
1986
- 1986-07-16 US US06/886,101 patent/US4755233A/en not_active Expired - Fee Related
- 1986-07-21 GB GB08617788A patent/GB2179575B/en not_active Expired
- 1986-07-28 LU LU86530A patent/LU86530A1/fr unknown
- 1986-07-28 DE DE19863625430 patent/DE3625430A1/de active Granted
- 1986-07-28 FR FR868610893A patent/FR2585726B1/fr not_active Expired - Fee Related
- 1986-07-30 ES ES8600745A patent/ES2000066A6/es not_active Expired
- 1986-07-31 BE BE0/216999A patent/BE905204A/fr not_active IP Right Cessation
- 1986-07-31 NL NL8601968A patent/NL8601968A/nl not_active Application Discontinuation
Also Published As
| Publication number | Publication date |
|---|---|
| DE3625430A1 (de) | 1987-02-12 |
| IT8548439A0 (it) | 1985-08-01 |
| FR2585726B1 (fr) | 1990-04-06 |
| GB2179575B (en) | 1988-06-02 |
| IT1200101B (it) | 1989-01-05 |
| GB2179575A (en) | 1987-03-11 |
| NL8601968A (nl) | 1987-03-02 |
| ES2000066A6 (es) | 1987-11-16 |
| LU86530A1 (fr) | 1986-12-02 |
| FR2585726A1 (fr) | 1987-02-06 |
| GB8617788D0 (en) | 1986-08-28 |
| BE905204A (fr) | 1986-11-17 |
| US4755233A (en) | 1988-07-05 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| OP8 | Request for examination as to paragraph 44 patent law | ||
| 8127 | New person/name/address of the applicant |
Owner name: CENTRO SVILUPPO MATERIALI S.P.A., ROM/ROMA, IT |
|
| D2 | Grant after examination | ||
| 8363 | Opposition against the patent | ||
| 8339 | Ceased/non-payment of the annual fee |