JPS55113858A - Chromium-nickel type alloy for caustic alkali solution - Google Patents
Chromium-nickel type alloy for caustic alkali solutionInfo
- Publication number
- JPS55113858A JPS55113858A JP2073579A JP2073579A JPS55113858A JP S55113858 A JPS55113858 A JP S55113858A JP 2073579 A JP2073579 A JP 2073579A JP 2073579 A JP2073579 A JP 2073579A JP S55113858 A JPS55113858 A JP S55113858A
- Authority
- JP
- Japan
- Prior art keywords
- point
- alloy
- caustic alkali
- chromium
- alkali solution
- 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
- 229910045601 alloy Inorganic materials 0.000 title abstract 4
- 239000000956 alloy Substances 0.000 title abstract 4
- 239000003513 alkali Substances 0.000 title abstract 2
- 239000003518 caustics Substances 0.000 title abstract 2
- VNNRSPGTAMTISX-UHFFFAOYSA-N chromium nickel Chemical compound [Cr].[Ni] VNNRSPGTAMTISX-UHFFFAOYSA-N 0.000 title 1
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 abstract 6
- 229910052759 nickel Inorganic materials 0.000 abstract 5
- 229910003271 Ni-Fe Inorganic materials 0.000 abstract 3
- 229910052742 iron Inorganic materials 0.000 abstract 3
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 abstract 2
- 238000005260 corrosion Methods 0.000 abstract 2
- 230000007797 corrosion Effects 0.000 abstract 2
- 235000011121 sodium hydroxide Nutrition 0.000 abstract 2
- -1 NaClO3 Chemical compound 0.000 abstract 1
- 238000005299 abrasion Methods 0.000 abstract 1
- 229910052804 chromium Inorganic materials 0.000 abstract 1
- 229910052748 manganese Inorganic materials 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 abstract 1
- 229910052750 molybdenum Inorganic materials 0.000 abstract 1
- 229910052758 niobium Inorganic materials 0.000 abstract 1
- 238000010587 phase diagram Methods 0.000 abstract 1
- 229910052761 rare earth metal Inorganic materials 0.000 abstract 1
- 239000011780 sodium chloride Substances 0.000 abstract 1
- 229910052715 tantalum Inorganic materials 0.000 abstract 1
- 229910052719 titanium Inorganic materials 0.000 abstract 1
- 229910052721 tungsten Inorganic materials 0.000 abstract 1
- 229910052726 zirconium Inorganic materials 0.000 abstract 1
Landscapes
- Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)
Abstract
PURPOSE: To enhance the corrosion resistance of an apparatus for treating or storing a caustic alkali soln. to the soln. and the wear resistance thereof by manufacturing the apparatus using a Cr-Ni-Fe alloy.
CONSTITUTION: In order to protect a caustic soda producting equipment or apparatus from corrosion due to NaOH, NaClO3, NaCl, etc. and abrasion it is manufactured using a Cr-Ni-Fe alloy having a compsn. consisting of Cr 35W75%, Ni 25W65%, Fe<20%, C<0.2% and N<0.5% and present within the range bounded by the following four points of the Cr-Ni-Fe ternary phase diagram: A point (Cr 35%, Ni 65%), B point (Cr 35%, Ni 45%, Fe 20%), C point (Cr 55%, Ni 25%, Fe 20%) and D point (Cr 75%, Ni 25%). 0.05W6% in total of one of more out of Ti, Zr, Ta, Nb, Mo, Mn, W, Co and rare earth elements may be added to the alloy.
COPYRIGHT: (C)1980,JPO&Japio
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2073579A JPS55113858A (en) | 1979-02-26 | 1979-02-26 | Chromium-nickel type alloy for caustic alkali solution |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2073579A JPS55113858A (en) | 1979-02-26 | 1979-02-26 | Chromium-nickel type alloy for caustic alkali solution |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS55113858A true JPS55113858A (en) | 1980-09-02 |
Family
ID=12035441
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2073579A Pending JPS55113858A (en) | 1979-02-26 | 1979-02-26 | Chromium-nickel type alloy for caustic alkali solution |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS55113858A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11180833B2 (en) | 2016-03-30 | 2021-11-23 | Hitachi, Ltd. | Chromium-based two-phase alloy and product using said two-phase alloy |
-
1979
- 1979-02-26 JP JP2073579A patent/JPS55113858A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11180833B2 (en) | 2016-03-30 | 2021-11-23 | Hitachi, Ltd. | Chromium-based two-phase alloy and product using said two-phase alloy |
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