CN101031663A - 马氏体类不锈钢管的制造方法 - Google Patents
马氏体类不锈钢管的制造方法 Download PDFInfo
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- CN101031663A CN101031663A CNA2005800328265A CN200580032826A CN101031663A CN 101031663 A CN101031663 A CN 101031663A CN A2005800328265 A CNA2005800328265 A CN A2005800328265A CN 200580032826 A CN200580032826 A CN 200580032826A CN 101031663 A CN101031663 A CN 101031663A
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 24
- 229910001105 martensitic stainless steel Inorganic materials 0.000 title 1
- 239000010959 steel Substances 0.000 claims abstract description 38
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 37
- 239000000126 substance Substances 0.000 claims abstract description 13
- 239000000203 mixture Substances 0.000 claims abstract description 12
- 238000001816 cooling Methods 0.000 claims abstract description 11
- 239000012535 impurity Substances 0.000 claims abstract description 6
- 229910052804 chromium Inorganic materials 0.000 claims abstract description 4
- 229910052748 manganese Inorganic materials 0.000 claims abstract description 3
- 229910000734 martensite Inorganic materials 0.000 claims description 15
- 239000010935 stainless steel Substances 0.000 claims description 13
- 229910001220 stainless steel Inorganic materials 0.000 claims description 12
- 229910052799 carbon Inorganic materials 0.000 claims description 4
- 229910052758 niobium Inorganic materials 0.000 claims description 2
- 229910052720 vanadium Inorganic materials 0.000 claims description 2
- 238000005260 corrosion Methods 0.000 abstract description 17
- 230000007797 corrosion Effects 0.000 abstract description 16
- 238000010438 heat treatment Methods 0.000 abstract description 7
- 239000003208 petroleum Substances 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 12
- 238000005098 hot rolling Methods 0.000 description 9
- 230000000694 effects Effects 0.000 description 6
- 238000010791 quenching Methods 0.000 description 5
- 230000000171 quenching effect Effects 0.000 description 5
- 238000005096 rolling process Methods 0.000 description 4
- 230000006866 deterioration Effects 0.000 description 3
- 239000004615 ingredient Substances 0.000 description 3
- 238000005496 tempering Methods 0.000 description 3
- 230000007704 transition Effects 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 229910002092 carbon dioxide Inorganic materials 0.000 description 2
- 238000003303 reheating Methods 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 229910000859 α-Fe Inorganic materials 0.000 description 2
- 238000005275 alloying Methods 0.000 description 1
- 238000000137 annealing Methods 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000005242 forging Methods 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 239000010813 municipal solid waste Substances 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 239000003129 oil well Substances 0.000 description 1
- 238000005204 segregation Methods 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
- 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
- C21D8/10—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of tubular bodies
- C21D8/105—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of tubular bodies 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
- 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
- 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
- C22C38/04—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
- C22C38/06—Ferrous alloys, e.g. steel alloys containing aluminium
-
- 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
-
- 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
- C22C38/26—Ferrous alloys, e.g. steel alloys containing chromium with niobium or tantalum
-
- 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
- C21D2211/00—Microstructure comprising significant phases
- C21D2211/008—Martensite
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- 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)
- Heat Treatment Of Steel (AREA)
Abstract
Description
No. | 化学成分(质量%) | 最终温度[℃] | 回火温度[MPa] | YP[MPa] | TS[MPa] | YR[%] | 平均硬度[HRC] | 夏比vTrs[℃] | 备注 | ||||||||||
C | Si | Mn | P | S | Cr | Mo | V | Nb | so1.Al | N | |||||||||
1 | 0.19 | 0.22 | 0.67 | 0.015 | 0.0011 | 12.12 | - | - | - | 0.027 | 0.0374 | 820 | 705 | 590 | 768 | 76.8 | 20.6 | -18 | 实施例 |
2 | 0.20 | 0.26 | 0.39 | 0.019 | 0.0014 | 12.87 | - | - | - | 0.042 | 0.0456 | 850 | 730 | 581 | 761 | 76.3 | 21.6 | -15 | |
3 | 0.19 | 0.25 | 0.91 | 0.015 | 0.0012 | 12.22 | - | - | - | 0.008 | 0.0452 | 850 | 705 | 577 | 763 | 75.6 | 22.0 | -10 | |
4 | 0.18 | 0.18 | 0.97 | 0.013 | 0.0009 | 11.39 | - | 0.04 | 0.002 | 0.039 | 0.0467 | 930 | 710 | 574 | 759 | 75.6 | 21.3 | -6 | |
5 | 0.17 | 0.30 | 0.89 | 0.013 | 0.0009 | 12.61 | - | 0.07 | 0.002 | 0.027 | 0.0394 | 860 | 745 | 573 | 760 | 75.4 | 21.8 | -12 | |
6 | 0.18 | 0.19 | 0.68 | 0.014 | 0.0006 | 12.46 | - | - | 0.002 | 0.033 | 0.0356 | 810 | 740 | 570 | 758 | 75.2 | 21.3 | -14 | |
7 | 0.19 | 0.34 | 0.7 | 0.018 | 0.0012 | 12.57 | - | 0.06 | - | 0.047 | 0.0402 | 840 | 750 | 573 | 762 | 75.2 | 21.8 | -8 | |
8 | 0.16 | 0.25 | 0.75 | 0.020 | 0.0036 | 13.15 | 0.02 | 0.06 | 0.003 | 0.016 | 0.0254 | 910 | 715 | 562 | 742 | 75.7 | 20.9 | -16 | |
9 | 0.20 | 0.41 | 0.38 | 0.014 | 0.0006 | 11.95 | - | - | 0.002 | 0.022 | 0.0326 | 940 | 710 | 568 | 752 | 75.5 | 21.4 | -22 | |
10 | 0.19 | 0.46 | 0.55 | 0.015 | 0.0030 | 13.87 | 0.02 | 0.05 | 0.002 | 0.008 | 0.0200 | 890 | 715 | 567 | 748 | 75.8 | 20.9 | -13 | |
11 | 0.17 | 0.25 | 0.91 | 0.013 | 0.0044 | 12.59 | - | - | 0.004 | 0.007 | 0.0490 | 900 | 715 | 562 | 741 | 75.8 | 21.0 | -5 | |
12 | 0.17 | 0.36 | 0.86 | 0.016 | 0.0021 | 12.89 | - | 0.05 | 0.002 | 0.022 | 0.0388 | 870 | 740 | 572 | 762 | 75.1 | 21.6 | -3 | |
13 | 0.18 | 0.18 | 0.44 | 0.018 | 0.0023 | 12.80 | - | - | 0.006 | 0.012 | 0.0451 | 850 | 740 | 567 | 755 | 75.1 | 21.1 | -5 | |
14 | 0.19 | 0.36 | 0.33 | 0.020 | 0.0018 | 12.50 | - | 0.09 | - | 0.013 | 0.0246 | 770* | 750 | 568 | 766 | 74.2 | 22.1 | 23 | 比较例 |
15 | 0.19 | 0.22 | 0.87 | 0.010 | 0.0017 | 11.80 | 0.02 | - | 0.008 | 0.005 | 0.0549 | 1000* | 700 | 573 | 755 | 75.9 | 21.8 | 18 | |
16 | 0.20 | 0.26 | 0.91 | 0.013 | 0.0013 | 12.65 | 0.02 | 0.04 | 0.002 | 0.048 | 0.0470 | 780* | 750 | 569 | 771 | 73.8 | 22.6 | 14 | |
17 | 0.19 | 0.19 | 0.88 | 0.014 | 0.0011 | 12.54 | - | - | - | 0.021 | 0.0440 | 780* | 700 | 571 | 768 | 74.3 | 22.3 | 15 | |
18 | 0.18 | 0.78 | 0.90 | 0.012 | 0.0009 | 12.58 | 0.02 | 0.04 | 0.002 | 0.037 | 0.0446 | 980* | 710 | 571 | 754 | 75.7 | 21.4 | 21 | |
19 | 0.19 | 0.34 | 0.75 | 0.014 | 0.0016 | 12.62 | - | 0.04 | 0.002 | 0.011 | 0.0478 | 800* | 750 | 569 | 770 | 73.9 | 22.5 | 19 | |
20 | 0.18 | 0.48 | 0.48 | 0.014 | 0.0008 | 12.55 | - | - | - | 0.008 | 0.0275 | 980* | 700 | 562 | 769 | 73.1 | 22.5 | 7 | |
21 | 0.19 | 0.56 | 0.68 | 0.015 | 0.0054* | 12.60 | - | 0.11 | - | 0.002* | 0.0272 | 840 | 730 | 561 | 764 | 73.4 | 22.2 | 26 | |
22 | 0.22* | 0.33 | 1.23* | 0.016 | 0.0016 | 12.80 | 0.02 | 0.08 | 0.003 | 0.001* | 0.0250 | 880 | 720 | 557 | 760 | 73.3 | 22.0 | 35 | |
23 | 0.19 | 1.13* | 0.70 | 0.015 | 0.0043 | 12.50 | - | 0.12 | 0.002 | 0.002* | 0.0277 | 930 | 720 | 554 | 759 | 73.0 | 22.1 | 24 | |
24 | 0.19 | 0.37 | 0.67 | 0.013 | 0.0058* | 12.60 | 0.03 | 0.11 | 0.004 | 0.002* | 0.0248 | 960* | 720 | 564 | 758 | 74.4 | 22.2 | 29 |
25 | 0.19 | 0.33 | 0.71 | 0.015 | 0.0024 | 12.50 | - | 0.10 | 0.002 | 0.073* | 0.0221 | 980* | 720 | 559 | 737 | 75.8 | 20.4 | 16 | |
26 | 0.19 | 0.87 | 0.59 | 0.025* | 0.0031 | 12.60 | - | 0.07 | - | 0.084* | 0.0236 | 860 | 730 | 571 | 749 | 76.2 | 21.3 | 29 | |
27 | 0.20 | 1.20* | 0.73 | 0.018 | 0.0008 | 13.00 | - | 0.13 | - | 0.002* | 0.0229 | 780* | 750 | 555 | 759 | 73.1 | 22.2 | 31 | |
28 | 0.20 | 0.34 | 0.72 | 0.016 | 0.0079* | 12.70 | 0.03 | 0.12 | 0.003 | 0.002* | 0.0263 | 890 | 730 | 561 | 764 | 73.4 | 22.3 | 36 | |
29 | 0.18 | 0.26 | 0.49 | 0.016 | 0.0021 | 12.73 | 0.02 | 0.08 | 0.002 | 0.106* | 0.0514 | 970* | 700 | 562 | 739 | 76.0 | 20.5 | 18 | |
30 | 0.19 | 0.23 | 0.88 | 0.014 | 0.0084* | 12.50 | 0.02 | 0.05 | 0.002 | 0.067* | 0.0451 | 900 | 710 | 570 | 751 | 75.9 | 21.1 | 34 | |
31 | 0.20 | 1.03* | 1.04* | 0.020 | 0.0005 | 12.50 | - | - | 0.025 | 0.005 | 0.0253 | 930 | 700 | 568 | 753 | 75.4 | 21.3 | 24 | |
32 | 0.14* | 0.34 | 0.08* | 0.010 | 0.0034 | 13.10 | - | 0.06 | - | 0.009 | 0.0325 | 880 | 720 | 569 | 753 | 75.6 | 21.2 | 8 |
Claims (3)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004281711A JP4380487B2 (ja) | 2004-09-28 | 2004-09-28 | マルテンサイト系ステンレス鋼管の製造方法 |
JP281711/2004 | 2004-09-28 | ||
PCT/JP2005/017675 WO2006035735A1 (ja) | 2004-09-28 | 2005-09-27 | マルテンサイト系ステンレス鋼管の製造方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN101031663A true CN101031663A (zh) | 2007-09-05 |
CN101031663B CN101031663B (zh) | 2010-09-08 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN2005800328265A Expired - Fee Related CN101031663B (zh) | 2004-09-28 | 2005-09-27 | 马氏体类不锈钢管的制造方法 |
Country Status (5)
Country | Link |
---|---|
US (1) | US8366843B2 (zh) |
EP (1) | EP1813687B1 (zh) |
JP (1) | JP4380487B2 (zh) |
CN (1) | CN101031663B (zh) |
WO (1) | WO2006035735A1 (zh) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102345999A (zh) * | 2011-06-27 | 2012-02-08 | 苏州方暨圆节能科技有限公司 | 换热器冷却扁管的不锈钢材料 |
CN110643895A (zh) * | 2018-06-27 | 2020-01-03 | 宝山钢铁股份有限公司 | 一种马氏体不锈钢油套管及其制造方法 |
CN111315906A (zh) * | 2017-11-02 | 2020-06-19 | 日本制铁株式会社 | 穿轧机顶头及其制造方法 |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2007270191A (ja) * | 2006-03-30 | 2007-10-18 | Sumitomo Metal Ind Ltd | マルテンサイト系ステンレス鋼管の製造方法 |
JP5211552B2 (ja) * | 2007-05-31 | 2013-06-12 | Jfeスチール株式会社 | 拡管性に優れる油井用ステンレス鋼管およびその製造方法 |
TWI438906B (zh) | 2007-12-20 | 2014-05-21 | Cima Nanotech Israel Ltd | 具有利用奈米粒子形成的透明電極之光伏打裝置 |
JP5211708B2 (ja) * | 2008-01-17 | 2013-06-12 | Jfeスチール株式会社 | 拡管性に優れる油井用ステンレス鋼管およびその製造方法 |
US9181610B2 (en) * | 2008-03-27 | 2015-11-10 | Nippon Steel & Sumitomo Metal Corporation | Air cooling equipment for heat treatment process for martensitic stainless steel pipe or tube |
CN102172626B (zh) * | 2010-12-29 | 2012-07-25 | 天津钢管集团股份有限公司 | φ48-89mm超级13Cr油管的热轧生产方法 |
CN103045835A (zh) * | 2011-10-17 | 2013-04-17 | 宝山钢铁股份有限公司 | 一种L80-13Cr油管的制造方法 |
JP5907083B2 (ja) * | 2013-01-31 | 2016-04-20 | Jfeスチール株式会社 | 靭性に優れた継目無鋼管の製造方法及び製造設備 |
CN104099527B (zh) * | 2013-04-08 | 2016-06-01 | 宝山钢铁股份有限公司 | 一种超级13Cr加厚钻杆的制造方法 |
JP6406075B2 (ja) * | 2015-03-12 | 2018-10-17 | Jfeスチール株式会社 | マルテンサイト系高Cr鋼の継目無鋼管の製造方法 |
JP6686320B2 (ja) * | 2015-08-05 | 2020-04-22 | 日本製鉄株式会社 | ステンレス鋼管の製造方法 |
CN115404417B (zh) * | 2021-05-28 | 2023-10-13 | 宝武特种冶金有限公司 | 一种高性能马氏体耐热钢及其制备方法 |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
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JPH0672261B2 (ja) * | 1986-11-05 | 1994-09-14 | 住友金属工業株式会社 | ステンレス鋼継目無し管の製造方法 |
JPS63238217A (ja) * | 1987-03-26 | 1988-10-04 | Kawasaki Steel Corp | 低温靭性および耐応力腐食割れ性に優れたマルテンサイト系ステンレス継目無鋼管の製造方法 |
JPH07109008B2 (ja) * | 1987-05-26 | 1995-11-22 | 住友金属工業株式会社 | マルテンサイト系ステンレス鋼継目無管の製造方法 |
JPH01123024A (ja) * | 1987-11-05 | 1989-05-16 | Sumitomo Metal Ind Ltd | ステンレス鋼継目無し管の製造方法 |
JPH0672262B2 (ja) * | 1987-11-06 | 1994-09-14 | 住友金属工業株式会社 | ステンレス鋼継目無し管の製造方法 |
JPH0678571B2 (ja) * | 1987-11-07 | 1994-10-05 | 住友金属工業株式会社 | ステンレス鋼継目無し管の製造方法 |
DE3906700C1 (zh) | 1989-02-28 | 1990-07-26 | Mannesmann Ag, 4000 Duesseldorf, De | |
JP2979604B2 (ja) * | 1990-08-31 | 1999-11-15 | 住友金属工業株式会社 | マルテンサイト系ステンレス鋼継目無管の製造方法 |
JP2705416B2 (ja) * | 1991-12-19 | 1998-01-28 | 住友金属工業株式会社 | マルテンサイト系ステンレス鋼と製造方法 |
JP2996245B2 (ja) * | 1998-02-23 | 1999-12-27 | 住友金属工業株式会社 | 酸化スケ―ル層付きマルテンサイト系ステンレス鋼材およびその製造方法 |
JP3921808B2 (ja) * | 1998-04-30 | 2007-05-30 | 住友金属工業株式会社 | 低温靭性に優れた高強度マルテンサイト系ステンレス鋼管およびその製造法 |
WO2000070112A1 (fr) * | 1999-05-18 | 2000-11-23 | Sumitomo Metal Industries, Ltd. | Acier inoxydable martensitique pour tube en acier sans soudure |
DE60231279D1 (de) * | 2001-08-29 | 2009-04-09 | Jfe Steel Corp | Verfahren zum Herstellen von nahtlosen Rohren aus hochfester, hochzäher, martensitischer Rostfreistahl |
JP2003105441A (ja) * | 2001-09-28 | 2003-04-09 | Kawasaki Steel Corp | 高強度・高靭性13Crマルテンサイト系ステンレス鋼継目無管の製造方法 |
JP4110420B2 (ja) | 2005-06-23 | 2008-07-02 | 株式会社富士通ゼネラル | 空気調和機 |
-
2004
- 2004-09-28 JP JP2004281711A patent/JP4380487B2/ja not_active Expired - Fee Related
-
2005
- 2005-09-27 CN CN2005800328265A patent/CN101031663B/zh not_active Expired - Fee Related
- 2005-09-27 WO PCT/JP2005/017675 patent/WO2006035735A1/ja active Application Filing
- 2005-09-27 EP EP05787771.4A patent/EP1813687B1/en not_active Ceased
-
2007
- 2007-03-27 US US11/727,467 patent/US8366843B2/en active Active
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102345999A (zh) * | 2011-06-27 | 2012-02-08 | 苏州方暨圆节能科技有限公司 | 换热器冷却扁管的不锈钢材料 |
CN111315906A (zh) * | 2017-11-02 | 2020-06-19 | 日本制铁株式会社 | 穿轧机顶头及其制造方法 |
CN110643895A (zh) * | 2018-06-27 | 2020-01-03 | 宝山钢铁股份有限公司 | 一种马氏体不锈钢油套管及其制造方法 |
CN110643895B (zh) * | 2018-06-27 | 2021-05-14 | 宝山钢铁股份有限公司 | 一种马氏体不锈钢油套管及其制造方法 |
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US20070246136A1 (en) | 2007-10-25 |
EP1813687A1 (en) | 2007-08-01 |
EP1813687B1 (en) | 2018-11-14 |
US8366843B2 (en) | 2013-02-05 |
WO2006035735A1 (ja) | 2006-04-06 |
CN101031663B (zh) | 2010-09-08 |
EP1813687A4 (en) | 2010-05-05 |
JP2006097051A (ja) | 2006-04-13 |
JP4380487B2 (ja) | 2009-12-09 |
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