WO2008151479A1 - Tube flexible ultra fin constitué d'un alliage et son procédé de fabrication - Google Patents
Tube flexible ultra fin constitué d'un alliage et son procédé de fabrication Download PDFInfo
- Publication number
- WO2008151479A1 WO2008151479A1 PCT/CN2007/002775 CN2007002775W WO2008151479A1 WO 2008151479 A1 WO2008151479 A1 WO 2008151479A1 CN 2007002775 W CN2007002775 W CN 2007002775W WO 2008151479 A1 WO2008151479 A1 WO 2008151479A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- alloy material
- strip
- tube
- ultra
- pipe
- Prior art date
Links
- 239000000956 alloy Substances 0.000 title claims abstract description 65
- 238000000034 method Methods 0.000 title claims abstract description 14
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 11
- 229910045601 alloy Inorganic materials 0.000 title abstract description 3
- 238000010791 quenching Methods 0.000 claims abstract description 13
- 230000000171 quenching effect Effects 0.000 claims abstract description 13
- 238000005496 tempering Methods 0.000 claims abstract description 13
- 230000007797 corrosion Effects 0.000 claims abstract description 12
- 238000005260 corrosion Methods 0.000 claims abstract description 12
- 238000003466 welding Methods 0.000 claims abstract description 9
- 238000004140 cleaning Methods 0.000 claims abstract description 7
- 239000012535 impurity Substances 0.000 claims abstract description 7
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 claims description 7
- 239000000203 mixture Substances 0.000 claims description 6
- 239000002994 raw material Substances 0.000 claims description 6
- 238000009413 insulation Methods 0.000 claims description 4
- 238000001514 detection method Methods 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 claims description 3
- 238000004513 sizing Methods 0.000 claims description 3
- 238000007689 inspection Methods 0.000 claims description 2
- 239000000126 substance Substances 0.000 claims description 2
- 238000010792 warming Methods 0.000 claims 1
- 239000000463 material Substances 0.000 abstract description 7
- 230000007547 defect Effects 0.000 abstract description 2
- 241000370738 Chlorion Species 0.000 abstract 1
- 238000005097 cold rolling Methods 0.000 abstract 1
- 238000007493 shaping process Methods 0.000 abstract 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 11
- 229910052802 copper Inorganic materials 0.000 description 11
- 239000010949 copper Substances 0.000 description 11
- 238000004378 air conditioning Methods 0.000 description 4
- 230000017525 heat dissipation Effects 0.000 description 4
- 238000005057 refrigeration Methods 0.000 description 4
- 238000000465 moulding Methods 0.000 description 3
- 238000009472 formulation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
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
- C22C38/18—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
- 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
- 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
- C21D8/02—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
- C21D8/0278—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips involving a particular surface treatment
-
- 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
- C21D8/02—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
- C21D8/04—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips to produce plates or strips for deep-drawing
- C21D8/0421—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips to produce plates or strips for deep-drawing characterised by the working steps
- C21D8/0426—Hot rolling
-
- 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
- C21D8/02—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
- C21D8/04—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips to produce plates or strips for deep-drawing
- C21D8/0421—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips to produce plates or strips for deep-drawing characterised by the working steps
- C21D8/0436—Cold rolling
-
- 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
- C21D8/02—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
- C21D8/04—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips to produce plates or strips for deep-drawing
- C21D8/0478—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips to produce plates or strips for deep-drawing involving a particular surface treatment
-
- 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
- C21D8/10—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of tubular bodies
-
- 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
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/08—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for tubular bodies or pipes
-
- 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
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/46—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for sheet metals
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C1/00—Making non-ferrous alloys
- C22C1/11—Making amorphous alloys
-
- 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
- C22C38/004—Very low carbon steels, i.e. having a carbon content of less than 0,01%
-
- 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
- C22C38/50—Ferrous alloys, e.g. steel alloys containing chromium with nickel with titanium or zirconium
-
- 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
- C22C38/52—Ferrous alloys, e.g. steel alloys containing chromium with nickel with cobalt
-
- 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
- C22C38/54—Ferrous alloys, e.g. steel alloys containing chromium with nickel with boron
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B1/00—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations
- B21B1/40—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling foils which present special problems, e.g. because of thinness
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B3/00—Rolling materials of special alloys so far as the composition of the alloy requires or permits special rolling methods or sequences ; Rolling of aluminium, copper, zinc or other non-ferrous metals
- B21B3/02—Rolling special iron alloys, e.g. stainless steel
Definitions
- the invention relates to an alloy material tube, in particular to an ordinary copper tube, which is suitable for an ultra-thin alloy material hose for air conditioning, refrigeration and heat dissipation, and a manufacturing method thereof.
- An object of the present invention is to provide an ultra-thin alloy material hose which can replace a copper material, has better corrosion resistance and strength, is suitable for air conditioning, refrigeration, and heat dissipation, and a manufacturing method thereof.
- the basic quenching and tempering treatment of the alloy material strip is carried out by a bright heating furnace, and the quenching and tempering temperature is 600 ° C to 780 ° C for 5 to 20 minutes to meet the flexibility required for the pipe making process. ;
- Coil The qualified tube is made into a layer-by-layer coiled coil on the tray, so that it can be used for subsequent inspection.
- the ultra-thin alloy material hose of the invention adopts a formula of a large amount of individual main elements and a plurality of beneficial main elements and a plurality of small doses to meet the weld performance requirements of the ultra-thin tubes.
- This one-time-form ultra-thin alloy hose has a practical wall thickness of 0.04 to 0.2 mm, and its performance solves the problem caused by insufficient copper pipe performance.
- the chloride ion resistance is greater than 100 ppm, which is stronger than copper. Corrosion is improved by more than 50%, corrosion resistance is improved by 2 to 5 times, strength is increased by about double, ductility is similar to copper, and thermal power is higher than that of existing copper pipes. It is an alternative to the existing copper tube, and its performance is superior to the existing copper tube, which can meet the needs of various air conditioning and refrigeration equipment.
- Embodiment 1 An ultra-thin alloy material hose having a wall thickness of 0.12 mm and a tube diameter of ⁇ 5. 3 mm and a method of manufacturing the same.
- Tube alloy material containing Crl8, TiO.15, CuO.6, Mol.O, CoO.02, NiO.6, NbO.5, V0.1, BO.005, Si ⁇ 0.10, in mass% Mn ⁇ 0.24, C ⁇ 0.004, N ⁇ 0.005, P ⁇ 0.006, S ⁇ 0.002, Mg ⁇ 0.001, 0 ⁇ 0.003, Al ⁇ 0.05, and the remainder consists of Fe and impurities, which have an HV of 120 degrees under normal temperature conditions. Hardness, elongation at 35%, resistance to chloride ion corrosion at 200 ppm.
- the basic quenching and tempering treatment of the alloy material strip is carried out by a bright heating furnace, and the quenching and tempering temperature is 600 ° C to 78 (TC, time 5 to 10 minutes to meet the flexibility required for the pipe making process) ;
- Unwinding Roll the strip of alloy material with a good strip, put it on the unwinding rack, and open the strip of the alloy material with the coiled trim to prepare for unwinding;
- Positioning Positioning the alloy material strip in the running track;
- Roll forming The alloy material strip is introduced into the forming mold, and after multiple molding dies, the alloy material strip is rolled into a tube blank having a diameter of ⁇ 5.3 mm, and the tube blank diameter deviation is not more than 0.003;
- Coil The qualified tube is made into a layer-by-layer coiled coil on the tray, so that the back channel can be used for sorting.
- Example 2 An ultra-thin alloy material hose having a tube wall thickness of 0.15 mm or 0.18 mm and a tube diameter of ⁇ 9.52 mm and a method for producing the same.
- Tube alloy material containing Crl9, Ti0.3, Cu8.0, MoO.5, Co0.1, Nil.0, NbO.5, V0.1, B 0.003, Si ⁇ 0.10, Mn by mass% ⁇ 0.2, C ⁇ 0.003, N ⁇ 0.003, P ⁇ 0.006, S ⁇ 0.002, Mg ⁇ 0.001, 0 ⁇ 0.003, Al ⁇ 0.05, the remainder consists of Fe and impurities, and has a hardness of 110 degrees HV at normal temperature. , 40% elongation, 100 ppm resistance to chloride ion corrosion Strength.
- the method steps for making the ultra-thin alloy material hose of the above materials are basically the same as those of the embodiment 1, and the difference is only:
- Roll forming The strip of alloy material is introduced into the forming mold. After multiple molding dies, the strip of alloy material is rolled into a tube blank with a diameter of ⁇ 9. 52mm, and the diameter deviation of the blank is not more than ⁇ 0.01. .
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Metal Extraction Processes (AREA)
- Heat Treatment Of Steel (AREA)
- Heat Treatment Of Articles (AREA)
Abstract
L'invention concerne un tube flexible ultra fin constitué d'un alliage comprenant (en % en poids) : 17 à 23 % de Cr, 0,1 à 0,35 % de Ti, 0,4 à 8,5 % de Cu, 0,2 à 2,4 % de Mo, 0,01 à 0,06 % de Co, 0,3 à 2,0 de Ni, 0,2 à 1,0 % de Nb, 0,05 à 0,4 % de V, 0,001 à 0,020 % de B, moins de 1,0 % de Si, moins de 1,0 % de Mn, moins de 0,020 % de C, moins de 0,020 % de N, moins de 0,035 % de P, moins de 0,025 % de S, moins de 0,005 % de Mg, moins de 0,006 % d'O, moins de 0,08 % d'Al, et la part résiduelle de Fe et d'inévitables impuretés. Le procédé de fabrication du tube comprend les étapes consistant à : laminer à froid une tôle, effectuer une trempe et un revenu, aplanir, réaliser un processus d'argenture, préparer une bobine, nettoyer, positionner, enrouler et former, souder, maintenir chaud, détecter les défauts et marquer, procéder à une rectification cylindrique et déterminer le diamètre, et bobiner. Le tube a une épaisseur de 0,04 à 0,2 mm, présente une résistance à la corrosion au chlore supérieure à 100 ppm, valeur plus de 0,5 fois supérieure à celle de la résistance à la corrosion du Cu, une résistance mécanique environ une fois supérieure à celle du Cu, une ductilité similaire à celle du Cu, et une énergie thermique supérieure à celle de tubes en Cu classiques. Le tube peut être utilisé comme tube de rayonnement à haute efficacité dans différents conditionneurs d'air ou appareils réfrigérants.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP07816391A EP2210965A4 (fr) | 2007-06-13 | 2007-09-20 | Tube flexible ultra fin constitué d'un alliage et son procédé de fabrication |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN200710074946.2 | 2007-06-13 | ||
CNB2007100749462A CN100485077C (zh) | 2007-06-13 | 2007-06-13 | 超薄合金材料软管及其制造方法 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2008151479A1 true WO2008151479A1 (fr) | 2008-12-18 |
Family
ID=38879879
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/CN2007/002775 WO2008151479A1 (fr) | 2007-06-13 | 2007-09-20 | Tube flexible ultra fin constitué d'un alliage et son procédé de fabrication |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP2210965A4 (fr) |
CN (1) | CN100485077C (fr) |
WO (1) | WO2008151479A1 (fr) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN115323287A (zh) * | 2022-06-23 | 2022-11-11 | 南宁龙鸣新能源有限公司 | 一种薄壁钛银金属材料及其制造方法 |
CN115679192A (zh) * | 2021-07-28 | 2023-02-03 | 中国石油天然气集团有限公司 | 一种多层结构耐蚀合金连续管及其制造方法 |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101992387A (zh) * | 2010-10-23 | 2011-03-30 | 徐州正菱涂装有限公司 | 新型钢管表面在线处理的生产工艺 |
CN103292064A (zh) * | 2013-06-20 | 2013-09-11 | 江苏丰立精密制管有限公司 | 一种用于安全气囊系统的钢管的制造方法 |
CN104415711B (zh) * | 2013-08-26 | 2016-12-28 | 黄志忠 | 甲醇羰基氧化合成碳酸二甲酯的装置 |
CN103586634A (zh) * | 2013-11-01 | 2014-02-19 | 哈尔滨汽轮机厂有限责任公司 | 一种燃气轮机透平空心静叶片导流芯的制备方法 |
KR101735007B1 (ko) * | 2015-12-23 | 2017-05-15 | 주식회사 포스코 | 주름 저항성이 우수한 오스테나이트계 스테인리스 강관 |
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JPS5011917A (fr) * | 1973-04-03 | 1975-02-06 | ||
JPH0219447A (ja) * | 1988-07-05 | 1990-01-23 | Toshiba Corp | フェライト系ステンレス鋼 |
JPH02145752A (ja) * | 1988-11-28 | 1990-06-05 | Toshiba Corp | フェライト系ステンレス鋼 |
JP2002080943A (ja) * | 2000-07-04 | 2002-03-22 | Kawasaki Steel Corp | 溶接部の耐二次加工脆性および高温疲労特性に優れたフェライト系ステンレス鋼 |
JP2006016637A (ja) * | 2004-06-30 | 2006-01-19 | Jfe Steel Kk | 耐炭酸ガス腐食性に優れる油井用高強度ステンレス鋼管 |
CN1836056A (zh) * | 2003-08-19 | 2006-09-20 | 杰富意钢铁株式会社 | 耐腐蚀性优良的油井用高强度不锈钢管及其制造方法 |
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US4690798A (en) * | 1985-02-19 | 1987-09-01 | Kawasaki Steel Corporation | Ultrasoft stainless steel |
JPH01165752A (ja) * | 1987-12-22 | 1989-06-29 | Kawasaki Steel Corp | 高濃度ハロゲン化物中で優れた耐食性を有するフェライト系ステンレス鋼 |
US5110544A (en) * | 1989-11-29 | 1992-05-05 | Nippon Steel Corporation | Stainless steel exhibiting excellent anticorrosion property for use in engine exhaust systems |
JP2696584B2 (ja) * | 1990-03-24 | 1998-01-14 | 日新製鋼株式会社 | 低温靭性,溶接性および耐熱性に優れたフエライト系耐熱用ステンレス鋼 |
JPH0717988B2 (ja) * | 1991-03-08 | 1995-03-01 | 日本冶金工業株式会社 | 靱性および耐食性がともに優れるフェライト系ステンレス鋼 |
JP3508520B2 (ja) * | 1997-12-05 | 2004-03-22 | Jfeスチール株式会社 | 溶接部の高温疲労特性に優れたCr含有フェライト鋼 |
US6426039B2 (en) * | 2000-07-04 | 2002-07-30 | Kawasaki Steel Corporation | Ferritic stainless steel |
JP2002038242A (ja) * | 2000-07-27 | 2002-02-06 | Kawasaki Steel Corp | 二次加工性に優れた自動車構造部材用ステンレス鋼管 |
US6786981B2 (en) * | 2000-12-22 | 2004-09-07 | Jfe Steel Corporation | Ferritic stainless steel sheet for fuel tank and fuel pipe |
WO2006132164A1 (fr) * | 2005-06-09 | 2006-12-14 | Jfe Steel Corporation | Feuille en acier ferrite inoxydable pour tuyauteries de soufflets |
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2007
- 2007-06-13 CN CNB2007100749462A patent/CN100485077C/zh not_active Expired - Fee Related
- 2007-09-20 WO PCT/CN2007/002775 patent/WO2008151479A1/fr active Application Filing
- 2007-09-20 EP EP07816391A patent/EP2210965A4/fr not_active Withdrawn
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
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JPS5011917A (fr) * | 1973-04-03 | 1975-02-06 | ||
JPH0219447A (ja) * | 1988-07-05 | 1990-01-23 | Toshiba Corp | フェライト系ステンレス鋼 |
JPH02145752A (ja) * | 1988-11-28 | 1990-06-05 | Toshiba Corp | フェライト系ステンレス鋼 |
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CN115679192A (zh) * | 2021-07-28 | 2023-02-03 | 中国石油天然气集团有限公司 | 一种多层结构耐蚀合金连续管及其制造方法 |
CN115679192B (zh) * | 2021-07-28 | 2024-02-02 | 中国石油天然气集团有限公司 | 一种多层结构耐蚀合金连续管及其制造方法 |
CN115323287A (zh) * | 2022-06-23 | 2022-11-11 | 南宁龙鸣新能源有限公司 | 一种薄壁钛银金属材料及其制造方法 |
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CN101067186A (zh) | 2007-11-07 |
EP2210965A1 (fr) | 2010-07-28 |
CN100485077C (zh) | 2009-05-06 |
EP2210965A4 (fr) | 2010-12-08 |
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