JP7054827B2 - 鋼管 - Google Patents
鋼管 Download PDFInfo
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- JP7054827B2 JP7054827B2 JP2019550906A JP2019550906A JP7054827B2 JP 7054827 B2 JP7054827 B2 JP 7054827B2 JP 2019550906 A JP2019550906 A JP 2019550906A JP 2019550906 A JP2019550906 A JP 2019550906A JP 7054827 B2 JP7054827 B2 JP 7054827B2
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- layer
- steel
- zinc
- thickness
- steel pipe
- 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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- 229910000831 Steel Inorganic materials 0.000 title claims description 217
- 239000010959 steel Substances 0.000 title claims description 217
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims description 98
- 239000011701 zinc Substances 0.000 claims description 98
- 229910052725 zinc Inorganic materials 0.000 claims description 98
- 229910001297 Zn alloy Inorganic materials 0.000 claims description 8
- KFZAUHNPPZCSCR-UHFFFAOYSA-N iron zinc Chemical compound [Fe].[Zn] KFZAUHNPPZCSCR-UHFFFAOYSA-N 0.000 claims description 8
- 229910045601 alloy Inorganic materials 0.000 description 56
- 239000000956 alloy Substances 0.000 description 56
- 238000007747 plating Methods 0.000 description 54
- 229910052751 metal Inorganic materials 0.000 description 44
- 239000002184 metal Substances 0.000 description 44
- 239000011347 resin Substances 0.000 description 44
- 229920005989 resin Polymers 0.000 description 44
- 230000007797 corrosion Effects 0.000 description 38
- 238000005260 corrosion Methods 0.000 description 38
- 238000012360 testing method Methods 0.000 description 32
- 238000003466 welding Methods 0.000 description 30
- 238000000034 method Methods 0.000 description 24
- 238000005275 alloying Methods 0.000 description 14
- 229910000365 copper sulfate Inorganic materials 0.000 description 14
- ARUVKPQLZAKDPS-UHFFFAOYSA-L copper(II) sulfate Chemical compound [Cu+2].[O-][S+2]([O-])([O-])[O-] ARUVKPQLZAKDPS-UHFFFAOYSA-L 0.000 description 14
- 238000005520 cutting process Methods 0.000 description 14
- 238000004519 manufacturing process Methods 0.000 description 14
- 238000000576 coating method Methods 0.000 description 12
- 239000011248 coating agent Substances 0.000 description 11
- 238000007689 inspection Methods 0.000 description 11
- 238000012545 processing Methods 0.000 description 10
- 239000000463 material Substances 0.000 description 9
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 8
- 238000010422 painting Methods 0.000 description 8
- 238000010438 heat treatment Methods 0.000 description 7
- 239000003973 paint Substances 0.000 description 6
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 5
- 229910052802 copper Inorganic materials 0.000 description 5
- 239000010949 copper Substances 0.000 description 5
- 238000005246 galvanizing Methods 0.000 description 5
- 238000002360 preparation method Methods 0.000 description 5
- 238000004513 sizing Methods 0.000 description 5
- 239000007921 spray Substances 0.000 description 5
- 230000007547 defect Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 229910052742 iron Inorganic materials 0.000 description 4
- 239000003550 marker Substances 0.000 description 4
- 150000003839 salts Chemical class 0.000 description 4
- 238000012935 Averaging Methods 0.000 description 3
- 239000004593 Epoxy Substances 0.000 description 3
- 150000002739 metals Chemical class 0.000 description 3
- 229920001296 polysiloxane Polymers 0.000 description 3
- 230000037303 wrinkles Effects 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 239000007864 aqueous solution Substances 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000009792 diffusion process Methods 0.000 description 2
- 238000005304 joining Methods 0.000 description 2
- 239000002932 luster Substances 0.000 description 2
- 239000011777 magnesium Substances 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- 238000007591 painting process Methods 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 238000001878 scanning electron micrograph Methods 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 235000016068 Berberis vulgaris Nutrition 0.000 description 1
- 241000335053 Beta vulgaris Species 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009713 electroplating Methods 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 239000012299 nitrogen atmosphere Substances 0.000 description 1
- 239000013307 optical fiber Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 238000009751 slip forming Methods 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 238000007751 thermal spraying Methods 0.000 description 1
- 238000010792 warming Methods 0.000 description 1
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C2/00—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
- C23C2/04—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor characterised by the coating material
- C23C2/06—Zinc or cadmium or alloys based thereon
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C2/00—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
- C23C2/26—After-treatment
- C23C2/261—After-treatment in a gas atmosphere, e.g. inert or reducing atmosphere
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C2/00—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
- C23C2/26—After-treatment
- C23C2/28—Thermal after-treatment, e.g. treatment in oil bath
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C2/00—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
- C23C2/26—After-treatment
- C23C2/28—Thermal after-treatment, e.g. treatment in oil bath
- C23C2/29—Cooling or quenching
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C2/00—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
- C23C2/34—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor characterised by the shape of the material to be treated
- C23C2/36—Elongated material
- C23C2/38—Wires; Tubes
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L58/00—Protection of pipes or pipe fittings against corrosion or incrustation
- F16L58/02—Protection of pipes or pipe fittings against corrosion or incrustation by means of internal or external coatings
- F16L58/04—Coatings characterised by the materials used
- F16L58/08—Coatings characterised by the materials used by metal
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L9/00—Rigid pipes
- F16L9/02—Rigid pipes of metal
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C37/00—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape
- B21C37/06—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape of tubes or metal hoses; Combined procedures for making tubes, e.g. for making multi-wall tubes
- B21C37/30—Finishing tubes, e.g. sizing, burnishing
Description
以下、図1~図8を用いて、本実施の形態について説明する。
まず、本実施の形態に係る鋼管について、図1~図3を参照しながら説明する。本実施の形態に係る鋼管は、管内部に光ファイバなどの信号線、及び/又は、電気機器への電力供給用の電気線などが通される鋼管である。
次に、合金層14が有するζ層14bと亜鉛層15の厚みについて、図4~図6を参照しながら説明する。
次に、上記で説明した鋼管10の製造方法について、図7及び図8を参照しながら説明する。以下に示すように、本実施の形態に係る鋼管10は、鋼板を曲げて溶接して作製される鉄パイプである。
以上のように、本実施の形態に係る鋼管10は、管状の鋼層11と、鋼層11の外表面を覆い、ζ層14bを有する合金層14と、合金層14を覆う亜鉛層15と、を備える。そして、亜鉛層15の厚みは、合金層14の厚みより薄い。
以上、鋼管について、実施の形態に基づいて説明したが、本発明は、この実施の形態に限定されるものではない。本発明の趣旨を逸脱しない限り、当業者が思いつく各種変形を本実施の形態に施したもの及び異なる実施の形態における構成要素を組み合わせて構築される形態も、本発明の範囲内に含まれる。
11 鋼層
14 合金層(鉄―亜鉛合金層)
14b ζ層
15 亜鉛層
Claims (3)
- 管状の鋼層と、
前記鋼層の外表面を覆い、前記鋼層の前記外表面からδ層、ζ層及び混在層をこの順に有する鉄-亜鉛合金層と、
前記混在層を覆う亜鉛層と、を備え、
前記混在層は、前記亜鉛層における亜鉛及び前記ζ層が混在した層であり、
前記亜鉛層の厚みは、前記鉄-亜鉛合金層の厚みより薄く、かつ、前記δ層及び前記混在層の合計厚みより厚く、
前記亜鉛層の厚みは、24μm以上30μm以下である、
鋼管。 - 前記ζ層の厚みは、12μm以上である、
請求項1に記載の鋼管。 - 前記鋼層、前記鉄-亜鉛合金層及び前記亜鉛層が、この順に接触して配置されている、
請求項1又は2に記載の鋼管。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2017209192 | 2017-10-30 | ||
JP2017209192 | 2017-10-30 | ||
PCT/JP2018/036735 WO2019087649A1 (ja) | 2017-10-30 | 2018-10-01 | 鋼管 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPWO2019087649A1 JPWO2019087649A1 (ja) | 2020-07-27 |
JP7054827B2 true JP7054827B2 (ja) | 2022-04-15 |
Family
ID=66331435
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2019550906A Active JP7054827B2 (ja) | 2017-10-30 | 2018-10-01 | 鋼管 |
Country Status (2)
Country | Link |
---|---|
JP (1) | JP7054827B2 (ja) |
WO (1) | WO2019087649A1 (ja) |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2004333201A (ja) | 2003-05-01 | 2004-11-25 | Nippon Tetsutou Kogyo Kk | 溶融亜鉛めっき皮膜の経年変化判定方法 |
JP2009280880A (ja) | 2008-05-24 | 2009-12-03 | Ck Metals Co Ltd | 溶融亜鉛めっき処理方法 |
JP2013100587A (ja) | 2011-11-09 | 2013-05-23 | Nippon Steel & Sumitomo Metal Corp | 溶融亜鉛めっき鋼管 |
JP2013227594A (ja) | 2012-04-24 | 2013-11-07 | Nippon Steel & Sumitomo Metal Corp | 溶融亜鉛めっき鋼管及び溶融亜鉛めっき鋼管の製造方法 |
JP3207348U (ja) | 2016-06-17 | 2016-11-10 | 株式会社メタルエース | 溶融亜鉛めっきのやけを抑制する装置 |
JP2017057499A (ja) | 2015-09-14 | 2017-03-23 | Jfeスチール株式会社 | 亜鉛めっき鋼管 |
CN108441794A (zh) | 2018-06-21 | 2018-08-24 | 浙江康盛股份有限公司 | 一种新式复合镀锌管及其加工设备 |
JP2020029606A (ja) | 2018-08-24 | 2020-02-27 | 日亜鋼業株式会社 | 亜鉛めっき異形棒鋼材とその製造方法および製造システム |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH04191355A (ja) * | 1990-11-23 | 1992-07-09 | Nippon Aen Kogyo Kk | アルミニウム―亜鉛合金めっき方法 |
NL1022263C2 (nl) * | 2002-12-24 | 2004-08-10 | Konink Bammens B V | Werkwijze voor het verbeteren van zinklagen. |
CN201082592Y (zh) * | 2007-06-06 | 2008-07-09 | 盛贻热浸锌企业股份有限公司 | 无铅热浸锌的成品 |
-
2018
- 2018-10-01 JP JP2019550906A patent/JP7054827B2/ja active Active
- 2018-10-01 WO PCT/JP2018/036735 patent/WO2019087649A1/ja active Application Filing
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2004333201A (ja) | 2003-05-01 | 2004-11-25 | Nippon Tetsutou Kogyo Kk | 溶融亜鉛めっき皮膜の経年変化判定方法 |
JP2009280880A (ja) | 2008-05-24 | 2009-12-03 | Ck Metals Co Ltd | 溶融亜鉛めっき処理方法 |
JP2013100587A (ja) | 2011-11-09 | 2013-05-23 | Nippon Steel & Sumitomo Metal Corp | 溶融亜鉛めっき鋼管 |
JP2013227594A (ja) | 2012-04-24 | 2013-11-07 | Nippon Steel & Sumitomo Metal Corp | 溶融亜鉛めっき鋼管及び溶融亜鉛めっき鋼管の製造方法 |
JP2017057499A (ja) | 2015-09-14 | 2017-03-23 | Jfeスチール株式会社 | 亜鉛めっき鋼管 |
JP3207348U (ja) | 2016-06-17 | 2016-11-10 | 株式会社メタルエース | 溶融亜鉛めっきのやけを抑制する装置 |
CN108441794A (zh) | 2018-06-21 | 2018-08-24 | 浙江康盛股份有限公司 | 一种新式复合镀锌管及其加工设备 |
JP2020029606A (ja) | 2018-08-24 | 2020-02-27 | 日亜鋼業株式会社 | 亜鉛めっき異形棒鋼材とその製造方法および製造システム |
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Publication number | Publication date |
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WO2019087649A1 (ja) | 2019-05-09 |
JPWO2019087649A1 (ja) | 2020-07-27 |
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