CN116917523A - 双相不锈钢管及其制造方法 - Google Patents
双相不锈钢管及其制造方法 Download PDFInfo
- Publication number
- CN116917523A CN116917523A CN202280018568.9A CN202280018568A CN116917523A CN 116917523 A CN116917523 A CN 116917523A CN 202280018568 A CN202280018568 A CN 202280018568A CN 116917523 A CN116917523 A CN 116917523A
- Authority
- CN
- China
- Prior art keywords
- steel pipe
- less
- duplex stainless
- stainless steel
- oxide layer
- 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.)
- Pending
Links
- 229910001039 duplex stainless steel Inorganic materials 0.000 title claims abstract description 65
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 24
- 238000000034 method Methods 0.000 title description 38
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 188
- 239000010959 steel Substances 0.000 claims abstract description 188
- 229910001566 austenite Inorganic materials 0.000 claims abstract description 64
- 229910000859 α-Fe Inorganic materials 0.000 claims abstract description 29
- 239000000203 mixture Substances 0.000 claims abstract description 19
- 229910052750 molybdenum Inorganic materials 0.000 claims abstract description 7
- 229910052759 nickel Inorganic materials 0.000 claims abstract description 6
- 238000010438 heat treatment Methods 0.000 claims description 73
- 238000005452 bending Methods 0.000 claims description 32
- 238000005482 strain hardening Methods 0.000 claims description 30
- 239000000463 material Substances 0.000 claims description 20
- 238000005098 hot rolling Methods 0.000 claims description 15
- 230000004323 axial length Effects 0.000 claims description 12
- 238000012545 processing Methods 0.000 claims description 9
- 239000002994 raw material Substances 0.000 claims description 7
- 238000012805 post-processing Methods 0.000 claims description 6
- 239000012535 impurity Substances 0.000 claims description 5
- 238000007781 pre-processing Methods 0.000 claims description 5
- 229910052721 tungsten Inorganic materials 0.000 claims description 5
- 229910052720 vanadium Inorganic materials 0.000 claims description 3
- 238000005299 abrasion Methods 0.000 abstract description 15
- 239000010410 layer Substances 0.000 description 97
- 230000007797 corrosion Effects 0.000 description 62
- 238000005260 corrosion Methods 0.000 description 62
- 239000000243 solution Substances 0.000 description 38
- 238000005097 cold rolling Methods 0.000 description 34
- 238000005096 rolling process Methods 0.000 description 26
- 230000000694 effects Effects 0.000 description 20
- 238000012360 testing method Methods 0.000 description 19
- 239000002253 acid Substances 0.000 description 13
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 12
- 239000003129 oil well Substances 0.000 description 12
- 230000008569 process Effects 0.000 description 12
- 230000009467 reduction Effects 0.000 description 12
- 238000011282 treatment Methods 0.000 description 12
- 230000035882 stress Effects 0.000 description 11
- 238000010622 cold drawing Methods 0.000 description 10
- 238000012669 compression test Methods 0.000 description 10
- 239000013078 crystal Substances 0.000 description 10
- 229910052804 chromium Inorganic materials 0.000 description 9
- 238000005498 polishing Methods 0.000 description 9
- 239000000047 product Substances 0.000 description 9
- 239000000126 substance Substances 0.000 description 9
- 238000001816 cooling Methods 0.000 description 8
- 238000005259 measurement Methods 0.000 description 8
- 238000002844 melting Methods 0.000 description 8
- 230000008018 melting Effects 0.000 description 8
- 229910052760 oxygen Inorganic materials 0.000 description 8
- 238000009864 tensile test Methods 0.000 description 8
- 230000006835 compression Effects 0.000 description 7
- 238000007906 compression Methods 0.000 description 7
- 230000006872 improvement Effects 0.000 description 7
- 239000002184 metal Substances 0.000 description 7
- 229910052751 metal Inorganic materials 0.000 description 7
- 238000005406 washing Methods 0.000 description 7
- 239000011248 coating agent Substances 0.000 description 6
- 238000000576 coating method Methods 0.000 description 6
- 230000009977 dual effect Effects 0.000 description 6
- 238000007711 solidification Methods 0.000 description 6
- 230000008023 solidification Effects 0.000 description 6
- 229910052718 tin Inorganic materials 0.000 description 6
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 5
- 230000008859 change Effects 0.000 description 5
- 230000006378 damage Effects 0.000 description 5
- 229910052742 iron Inorganic materials 0.000 description 5
- 238000003754 machining Methods 0.000 description 5
- 239000001301 oxygen Substances 0.000 description 5
- 239000002244 precipitate Substances 0.000 description 5
- 238000005728 strengthening Methods 0.000 description 5
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 4
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 4
- 239000003153 chemical reaction reagent Substances 0.000 description 4
- 230000007547 defect Effects 0.000 description 4
- 239000007789 gas Substances 0.000 description 4
- 230000001771 impaired effect Effects 0.000 description 4
- 230000001050 lubricating effect Effects 0.000 description 4
- 229910000734 martensite Inorganic materials 0.000 description 4
- 238000005554 pickling Methods 0.000 description 4
- 238000004458 analytical method Methods 0.000 description 3
- 239000010953 base metal Substances 0.000 description 3
- 238000005261 decarburization Methods 0.000 description 3
- 230000007423 decrease Effects 0.000 description 3
- 239000002932 luster Substances 0.000 description 3
- 238000002161 passivation Methods 0.000 description 3
- 239000006104 solid solution Substances 0.000 description 3
- 230000000087 stabilizing effect Effects 0.000 description 3
- 230000009466 transformation Effects 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 238000003809 water extraction Methods 0.000 description 3
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 description 2
- 238000003723 Smelting Methods 0.000 description 2
- 239000006061 abrasive grain Substances 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 239000010960 cold rolled steel Substances 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 238000001887 electron backscatter diffraction Methods 0.000 description 2
- 238000002149 energy-dispersive X-ray emission spectroscopy Methods 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 238000010191 image analysis Methods 0.000 description 2
- 238000010409 ironing Methods 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- OXNIZHLAWKMVMX-UHFFFAOYSA-N picric acid Chemical compound OC1=C([N+]([O-])=O)C=C([N+]([O-])=O)C=C1[N+]([O-])=O OXNIZHLAWKMVMX-UHFFFAOYSA-N 0.000 description 2
- 238000003672 processing method Methods 0.000 description 2
- 238000007670 refining Methods 0.000 description 2
- 230000002787 reinforcement Effects 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 238000003856 thermoforming Methods 0.000 description 2
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 1
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 238000000889 atomisation Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 238000009749 continuous casting Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 230000001627 detrimental effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000011019 hematite Substances 0.000 description 1
- 229910052595 hematite Inorganic materials 0.000 description 1
- 238000000265 homogenisation Methods 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 229910000765 intermetallic Inorganic materials 0.000 description 1
- LIKBJVNGSGBSGK-UHFFFAOYSA-N iron(3+);oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[Fe+3].[Fe+3] LIKBJVNGSGBSGK-UHFFFAOYSA-N 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 229910052748 manganese Inorganic materials 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 229910017604 nitric acid Inorganic materials 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
- 230000000171 quenching effect Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000001953 recrystallisation Methods 0.000 description 1
- 239000003507 refrigerant Substances 0.000 description 1
- 238000001226 reprecipitation Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 239000011029 spinel Substances 0.000 description 1
- 229910052596 spinel Inorganic materials 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- 230000008646 thermal stress Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
- 229910052726 zirconium 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
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/26—Methods of annealing
-
- 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
- C21D7/00—Modifying the physical properties of iron or steel by deformation
- C21D7/02—Modifying the physical properties of iron or steel by deformation by cold working
- C21D7/10—Modifying the physical properties of iron or steel by deformation by cold working of the whole cross-section, e.g. of concrete reinforcing bars
-
- 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
- C22C38/002—Ferrous alloys, e.g. steel alloys containing In, Mg, or other elements not provided for in one single group C22C38/001 - C22C38/60
-
- 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
- C22C38/005—Ferrous alloys, e.g. steel alloys containing rare earths, i.e. Sc, Y, Lanthanides
-
- 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
- C22C38/008—Ferrous alloys, e.g. steel alloys containing tin
-
- 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
- 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
- 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
- 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
- C22C38/48—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
- C22C38/54—Ferrous alloys, e.g. steel alloys containing chromium with nickel with boron
-
- 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
- C22C38/58—Ferrous alloys, e.g. steel alloys containing chromium with nickel with more than 1.5% by weight of 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
- C22C38/60—Ferrous alloys, e.g. steel alloys containing lead, selenium, tellurium, or antimony, or more than 0.04% by weight of sulfur
-
- 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
- C21D2211/001—Austenite
-
- 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
- C21D2211/005—Ferrite
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Crystallography & Structural Chemistry (AREA)
- Thermal Sciences (AREA)
- Physics & Mathematics (AREA)
- Manufacturing & Machinery (AREA)
- Heat Treatment Of Steel (AREA)
- Heat Treatment Of Articles (AREA)
- Metal Extraction Processes (AREA)
- Laminated Bodies (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2021043498 | 2021-03-17 | ||
| JP2021-043498 | 2021-03-17 | ||
| PCT/JP2022/005176 WO2022196196A1 (ja) | 2021-03-17 | 2022-02-09 | 二相ステンレス鋼管およびその製造方法 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116917523A true CN116917523A (zh) | 2023-10-20 |
Family
ID=83322225
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202280018568.9A Pending CN116917523A (zh) | 2021-03-17 | 2022-02-09 | 双相不锈钢管及其制造方法 |
Country Status (9)
| Country | Link |
|---|---|
| EP (1) | EP4282990A1 (ja) |
| JP (1) | JP7173411B1 (ja) |
| CN (1) | CN116917523A (ja) |
| AR (1) | AR125543A1 (ja) |
| AU (1) | AU2022240057A1 (ja) |
| BR (1) | BR112023017868A2 (ja) |
| CA (1) | CA3208799A1 (ja) |
| MX (1) | MX2023010534A (ja) |
| WO (1) | WO2022196196A1 (ja) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP7498416B1 (ja) | 2023-03-28 | 2024-06-12 | 日本製鉄株式会社 | Ｃｒ－Ｎｉ合金管 |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57194213A (en) | 1981-05-25 | 1982-11-29 | Nippon Kokan Kk <Nkk> | Production of abrasion resistant steel pipe |
| JPS63290616A (ja) | 1987-05-22 | 1988-11-28 | Sumitomo Metal Ind Ltd | 耐摩耗腐蝕性に優れたクラッド鋼管 |
| JPS6415323A (en) | 1987-07-08 | 1989-01-19 | Kawasaki Steel Co | Production of wear resistant steel pipe |
| JP3697853B2 (ja) * | 1997-09-09 | 2005-09-21 | Ｊｆｅスチール株式会社 | 耐食性に優れるステンレス熱延鋼板およびその製造方法 |
| CN106011689B (zh) * | 2015-03-30 | 2019-05-03 | 新日铁住金不锈钢株式会社 | 含臭氧水用双相不锈钢 |
| JP6805574B2 (ja) * | 2015-07-10 | 2020-12-23 | 日本製鉄株式会社 | オーステナイト系耐熱鋼及びオーステナイト系伝熱部材 |
| CA3028947A1 (en) * | 2016-06-29 | 2018-01-04 | Nippon Steel & Sumitomo Metal Corporation | Heat resistant ferritic steel and ferritic heat transfer member |
| BR112021003350B8 (pt) * | 2018-08-31 | 2023-12-19 | Jfe Steel Corp | Tubo de aço inoxidável duplex sem costura e método para fabricar o mesmo |
-
2022
- 2022-02-09 CA CA3208799A patent/CA3208799A1/en active Pending
- 2022-02-09 CN CN202280018568.9A patent/CN116917523A/zh active Pending
- 2022-02-09 BR BR112023017868A patent/BR112023017868A2/pt unknown
- 2022-02-09 MX MX2023010534A patent/MX2023010534A/es unknown
- 2022-02-09 AU AU2022240057A patent/AU2022240057A1/en active Pending
- 2022-02-09 EP EP22770955.7A patent/EP4282990A1/en active Pending
- 2022-02-09 WO PCT/JP2022/005176 patent/WO2022196196A1/ja active Application Filing
- 2022-02-09 JP JP2022531457A patent/JP7173411B1/ja active Active
- 2022-03-16 AR ARP220100597A patent/AR125543A1/es unknown
Also Published As
| Publication number | Publication date |
|---|---|
| AU2022240057A1 (en) | 2023-08-17 |
| EP4282990A1 (en) | 2023-11-29 |
| BR112023017868A2 (pt) | 2023-10-10 |
| CA3208799A1 (en) | 2022-09-22 |
| JP7173411B1 (ja) | 2022-11-16 |
| WO2022196196A1 (ja) | 2022-09-22 |
| MX2023010534A (es) | 2023-09-19 |
| JPWO2022196196A1 (ja) | 2022-09-22 |
| AR125543A1 (es) | 2023-07-26 |
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