CN101092656A - 使用含镍、铬的低品位褐铁矿冶炼低磷不锈钢基料的方法 - Google Patents
使用含镍、铬的低品位褐铁矿冶炼低磷不锈钢基料的方法 Download PDFInfo
- Publication number
- CN101092656A CN101092656A CNA2007100543402A CN200710054340A CN101092656A CN 101092656 A CN101092656 A CN 101092656A CN A2007100543402 A CNA2007100543402 A CN A2007100543402A CN 200710054340 A CN200710054340 A CN 200710054340A CN 101092656 A CN101092656 A CN 101092656A
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- Prior art keywords
- low
- stainless steel
- chromium
- nickeliferous
- steel base
- 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.)
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- 229910001220 stainless steel Inorganic materials 0.000 title claims abstract description 62
- 239000010935 stainless steel Substances 0.000 title claims abstract description 62
- 238000000034 method Methods 0.000 title claims abstract description 37
- 238000003723 Smelting Methods 0.000 title claims abstract description 33
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 title claims abstract description 29
- 229910018487 Ni—Cr Inorganic materials 0.000 title 1
- 239000010953 base metal Substances 0.000 title 1
- VNNRSPGTAMTISX-UHFFFAOYSA-N chromium nickel Chemical compound [Cr].[Ni] VNNRSPGTAMTISX-UHFFFAOYSA-N 0.000 title 1
- BHEPBYXIRTUNPN-UHFFFAOYSA-N hydridophosphorus(.) (triplet) Chemical compound [PH] BHEPBYXIRTUNPN-UHFFFAOYSA-N 0.000 title 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 74
- 239000000463 material Substances 0.000 claims abstract description 55
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims abstract description 51
- 229910052742 iron Inorganic materials 0.000 claims abstract description 33
- 230000002829 reductive effect Effects 0.000 claims abstract description 29
- 229910052759 nickel Inorganic materials 0.000 claims abstract description 26
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 15
- 230000004907 flux Effects 0.000 claims abstract description 14
- 239000000446 fuel Substances 0.000 claims abstract description 14
- 239000000956 alloy Substances 0.000 claims abstract description 13
- 229910045601 alloy Inorganic materials 0.000 claims abstract description 12
- 229910052698 phosphorus Inorganic materials 0.000 claims abstract description 12
- 238000001035 drying Methods 0.000 claims abstract description 11
- 238000009628 steelmaking Methods 0.000 claims abstract description 11
- 238000005266 casting Methods 0.000 claims abstract description 6
- 239000000843 powder Substances 0.000 claims abstract description 5
- 239000011651 chromium Substances 0.000 claims description 63
- 229910052804 chromium Inorganic materials 0.000 claims description 61
- 239000011572 manganese Substances 0.000 claims description 18
- 239000000203 mixture Substances 0.000 claims description 17
- 238000005453 pelletization Methods 0.000 claims description 17
- 229910052748 manganese Inorganic materials 0.000 claims description 16
- 238000003825 pressing Methods 0.000 claims description 16
- 239000008188 pellet Substances 0.000 claims description 14
- 230000009467 reduction Effects 0.000 claims description 13
- 230000008569 process Effects 0.000 claims description 12
- 239000002817 coal dust Substances 0.000 claims description 10
- 239000007788 liquid Substances 0.000 claims description 10
- 239000002893 slag Substances 0.000 claims description 10
- 229910004298 SiO 2 Inorganic materials 0.000 claims description 8
- 229910052717 sulfur Inorganic materials 0.000 claims description 8
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 claims description 7
- 241001062472 Stokellia anisodon Species 0.000 claims description 7
- 239000011230 binding agent Substances 0.000 claims description 7
- 238000004140 cleaning Methods 0.000 claims description 7
- 239000000571 coke Substances 0.000 claims description 7
- 239000003795 chemical substances by application Substances 0.000 claims description 6
- 238000005261 decarburization Methods 0.000 claims description 4
- 238000013467 fragmentation Methods 0.000 claims description 4
- 238000006062 fragmentation reaction Methods 0.000 claims description 4
- 238000001465 metallisation Methods 0.000 claims description 4
- 235000019353 potassium silicate Nutrition 0.000 claims description 4
- 238000002203 pretreatment Methods 0.000 claims description 4
- 229920006395 saturated elastomer Polymers 0.000 claims description 4
- 238000012216 screening Methods 0.000 claims description 4
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 claims description 4
- 229910052751 metal Inorganic materials 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 abstract description 36
- 239000002994 raw material Substances 0.000 abstract description 12
- 229910052799 carbon Inorganic materials 0.000 abstract description 10
- 239000011574 phosphorus Substances 0.000 abstract description 4
- 238000011084 recovery Methods 0.000 abstract description 3
- 230000008901 benefit Effects 0.000 abstract description 2
- 230000036961 partial effect Effects 0.000 abstract description 2
- 235000002918 Fraxinus excelsior Nutrition 0.000 abstract 1
- 239000000853 adhesive Substances 0.000 abstract 1
- 230000001070 adhesive effect Effects 0.000 abstract 1
- 239000002956 ash Substances 0.000 abstract 1
- 239000003638 chemical reducing agent Substances 0.000 abstract 1
- 239000002245 particle Substances 0.000 abstract 1
- 238000010298 pulverizing process Methods 0.000 abstract 1
- 238000007873 sieving Methods 0.000 abstract 1
- 239000007787 solid Substances 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 description 13
- 229910000831 Steel Inorganic materials 0.000 description 9
- 239000010959 steel Substances 0.000 description 9
- 238000005516 engineering process Methods 0.000 description 8
- 229910000863 Ferronickel Inorganic materials 0.000 description 4
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 4
- 238000001816 cooling Methods 0.000 description 4
- 238000003912 environmental pollution Methods 0.000 description 4
- 229910052760 oxygen Inorganic materials 0.000 description 4
- 239000001301 oxygen Substances 0.000 description 4
- 229910000604 Ferrochrome Inorganic materials 0.000 description 3
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 3
- 229910000805 Pig iron Inorganic materials 0.000 description 3
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 3
- 239000005864 Sulphur Substances 0.000 description 3
- 238000005275 alloying Methods 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 3
- WUKWITHWXAAZEY-UHFFFAOYSA-L calcium difluoride Chemical compound [F-].[F-].[Ca+2] WUKWITHWXAAZEY-UHFFFAOYSA-L 0.000 description 3
- 239000010436 fluorite Substances 0.000 description 3
- 238000007664 blowing Methods 0.000 description 2
- 239000012943 hotmelt Substances 0.000 description 2
- 239000004615 ingredient Substances 0.000 description 2
- 239000003595 mist Substances 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 238000010079 rubber tapping Methods 0.000 description 2
- 238000005245 sintering Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 229910000851 Alloy steel Inorganic materials 0.000 description 1
- 241000167854 Bourreria succulenta Species 0.000 description 1
- 241000580063 Ipomopsis rubra Species 0.000 description 1
- 229910001122 Mischmetal Inorganic materials 0.000 description 1
- 241001417490 Sillaginidae Species 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 229910052787 antimony Inorganic materials 0.000 description 1
- 229910052785 arsenic Inorganic materials 0.000 description 1
- -1 being nickeliferous Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002860 competitive effect Effects 0.000 description 1
- 238000009749 continuous casting Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000003113 dilution method Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000011031 large-scale manufacturing process Methods 0.000 description 1
- 229910052745 lead Inorganic materials 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 229910052718 tin Inorganic materials 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B1/00—Preliminary treatment of ores or scrap
- C22B1/14—Agglomerating; Briquetting; Binding; Granulating
- C22B1/24—Binding; Briquetting ; Granulating
- C22B1/242—Binding; Briquetting ; Granulating with binders
- C22B1/244—Binding; Briquetting ; Granulating with binders organic
- C22B1/245—Binding; Briquetting ; Granulating with binders organic with carbonaceous material for the production of coked agglomerates
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B13/00—Making spongy iron or liquid steel, by direct processes
- C21B13/0046—Making spongy iron or liquid steel, by direct processes making metallised agglomerates or iron oxide
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B13/00—Making spongy iron or liquid steel, by direct processes
- C21B13/006—Starting from ores containing non ferrous metallic oxides
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B13/00—Making spongy iron or liquid steel, by direct processes
- C21B13/14—Multi-stage processes processes carried out in different vessels or furnaces
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B5/00—Making pig-iron in the blast furnace
- C21B5/008—Composition or distribution of the charge
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B5/00—Making pig-iron in the blast furnace
- C21B5/02—Making special pig-iron, e.g. by applying additives, e.g. oxides of other metals
-
- 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
- C21C5/005—Manufacture of stainless steel
-
- 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
- C21C5/52—Manufacture of steel in electric furnaces
- C21C5/5264—Manufacture of alloyed steels including ferro-alloys
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B23/00—Obtaining nickel or cobalt
- C22B23/02—Obtaining nickel or cobalt by dry processes
- C22B23/021—Obtaining nickel or cobalt by dry processes by reduction in solid state, e.g. by segregation processes
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B23/00—Obtaining nickel or cobalt
- C22B23/02—Obtaining nickel or cobalt by dry processes
- C22B23/023—Obtaining nickel or cobalt by dry processes with formation of ferro-nickel or ferro-cobalt
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B5/00—General methods of reducing to metals
- C22B5/02—Dry methods smelting of sulfides or formation of mattes
- C22B5/10—Dry methods smelting of sulfides or formation of mattes by solid carbonaceous reducing agents
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/10—Reduction of greenhouse gas [GHG] emissions
- Y02P10/134—Reduction of greenhouse gas [GHG] emissions by avoiding CO2, e.g. using hydrogen
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Manufacture And Refinement Of Metals (AREA)
Abstract
Description
型式 | 台数 | 烧结面积 | 冷却面积 | 点火温度 | 料层厚度 |
步进式 | 2 | 30M2 | 30M2 | 1150℃ | 900mm |
容积 | 炉缸直径 | 风口直径 | 风口数量 | 风机容量 | 风压 |
380M3 | 4.9m | 95~120mm | 12 | 1500M3/min | 0.3Mpa |
公称容量 | 炉壳直径 | 变压器容量 | 出钢型式 | 冶炼周期 | 吹氧量 |
50吨 | 4700mm | 32KVA | 偏心底 | 90分钟 | 80M3/t |
型式 | 断面尺寸mm | 流数 | 弧形半径m | 冷却方式 | 浇注方式 | 平均拉速 |
弧形 | 150*150 | 四机四流 | 9 | 气水雾 | 定径水口 | 1.8m/min |
C | Si | Mn | P | S | Cr | Ni |
1.0 | 0.02 | 0.03 | 0.025 | 0.030 | 8.3 | 9.0 |
型式 | 台数 | 烧结面积 | 冷却面积 | 点火温度 | 料层厚度 |
步进式 | 2 | 30M2 | 30M2 | 1150℃ | 900mm |
容积 | 炉缸直径 | 风口直径 | 风口数量 | 风机容量 | 风压 |
380M3 | 4.9m | 95~120mm | 12 | 1500M3/min | 0.3Mpa |
公称容量 | 炉壳直径 | 变压器容量 | 出钢型式 | 冶炼周期 | 吹氧量 |
50吨 | 4700mm | 32KVA | 偏心底 | 110分钟 | 70M3/t |
型式 | 断面尺寸mm | 流数 | 弧形半径m | 冷却方式 | 浇注方式 | 平均拉速 |
弧形 | 150*150 | 四机四流 | 9 | 气水雾 | 定径水口 | 1.6m/min |
C | Si | Mn | P | S | Cr | Ni |
2.0 | 0.05 | 0.03 | 0.015 | 0.030 | 2.6 | 3.3 |
Claims (9)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNB2007100543402A CN100532579C (zh) | 2007-04-30 | 2007-04-30 | 使用含镍、铬的低品位褐铁矿冶炼低磷不锈钢基料的方法 |
PCT/CN2007/002880 WO2008131614A1 (fr) | 2007-04-30 | 2007-09-30 | Procédé de fusion d'une base d'acier inoxydable à faible teneur en p faisant intervenir de la roche ferrugineuse pauvre contenant du ni et du cr |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNB2007100543402A CN100532579C (zh) | 2007-04-30 | 2007-04-30 | 使用含镍、铬的低品位褐铁矿冶炼低磷不锈钢基料的方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN101092656A true CN101092656A (zh) | 2007-12-26 |
CN100532579C CN100532579C (zh) | 2009-08-26 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB2007100543402A Expired - Fee Related CN100532579C (zh) | 2007-04-30 | 2007-04-30 | 使用含镍、铬的低品位褐铁矿冶炼低磷不锈钢基料的方法 |
Country Status (2)
Country | Link |
---|---|
CN (1) | CN100532579C (zh) |
WO (1) | WO2008131614A1 (zh) |
Cited By (17)
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CN101831591A (zh) * | 2010-04-21 | 2010-09-15 | 首钢水城钢铁(集团)有限责任公司 | 一种高强度钢绞线用盘条及其生产方法 |
CN101857911A (zh) * | 2010-07-16 | 2010-10-13 | 四川省达州钢铁集团有限责任公司 | 一种转炉炼钢的方法 |
CN101469391B (zh) * | 2007-12-29 | 2010-11-03 | 中冶东方工程技术有限公司上海分公司 | 一种含Ni不锈钢冶炼方法 |
CN101654738B (zh) * | 2009-09-15 | 2011-07-20 | 山西太钢不锈钢股份有限公司 | 不锈钢除尘灰、铁鳞伴料冶炼含铬镍铁水的方法 |
US20110308352A1 (en) * | 2009-02-11 | 2011-12-22 | Outokumpu Oyj | Method for producing ferroalloy containing nickel |
CN102978306A (zh) * | 2012-10-22 | 2013-03-20 | 山西太钢不锈钢股份有限公司 | 一种降低炉内反应温度低成本的炼铁方法 |
CN102994740A (zh) * | 2012-10-31 | 2013-03-27 | 高金菊 | 一种高炉用含碳球团的制备方法 |
CN103146983A (zh) * | 2013-03-18 | 2013-06-12 | 莱芜钢铁集团有限公司 | 一种利用粗镍铁生产含镍钢的方法 |
CN103290227A (zh) * | 2013-06-20 | 2013-09-11 | 嘉峪关大友企业公司 | 不锈钢除尘灰为原料的镍铬生铁制备方法 |
CN103934416A (zh) * | 2014-04-11 | 2014-07-23 | 安徽霍山科皖特种铸造有限责任公司 | 一种用水玻璃制壳生产不锈钢精密铸件的方法 |
CN103866076B (zh) * | 2014-04-01 | 2016-01-27 | 重庆大学 | 一种奥氏体不锈钢的紧凑型生产方法 |
EP2751299A4 (en) * | 2011-06-27 | 2016-03-02 | Joseph Boston Mcmahan | METHOD FOR ALLOCATING DIFFERENT STEEL CLASSES WITH MANGAN OXIDES |
CN106755976A (zh) * | 2016-11-25 | 2017-05-31 | 江西理工大学 | 一种利用不锈钢粉尘制备低硫铁铬镍合金块的方法 |
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JPS59113137A (ja) * | 1982-12-21 | 1984-06-29 | Nisshin Steel Co Ltd | キユポラによる含クロム溶銑の製造法 |
JPS6156211A (ja) * | 1984-08-23 | 1986-03-20 | Sumitomo Metal Ind Ltd | 高炉操業方法 |
JPH0635604B2 (ja) * | 1985-05-15 | 1994-05-11 | 住友金属工業株式会社 | 高炉操業方法 |
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CN1151280C (zh) * | 1999-04-14 | 2004-05-26 | 万天骥 | 使用煤基预还原球团的高炉炼铁法 |
JP2002332549A (ja) * | 2001-05-10 | 2002-11-22 | Nisshin Steel Co Ltd | 成形加工時の形状凍結性に優れたフェライト系ステンレス鋼帯およびその製造方法 |
JP3920185B2 (ja) * | 2002-09-27 | 2007-05-30 | 日新製鋼株式会社 | 耐たわみ性に優れたステンレス鋼製の二輪車用タイヤリム材および二輪車用フレーム材 |
CN1300352C (zh) * | 2005-09-16 | 2007-02-14 | 刘沈杰 | 含结晶水的氧化镍矿经高炉冶炼镍铁工艺 |
CN1847440A (zh) * | 2006-04-25 | 2006-10-18 | 吴江市东大铸造有限公司 | 镍铬铁合金及生产方法 |
CN101020943A (zh) * | 2006-07-12 | 2007-08-22 | 刘光火 | 氧化镍矿冶炼镍铬生铁工艺的降磷方法 |
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2007
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