JPS55141571A - Surface treatment of perforating steel tool for steel pipe - Google Patents
Surface treatment of perforating steel tool for steel pipeInfo
- Publication number
- JPS55141571A JPS55141571A JP4659279A JP4659279A JPS55141571A JP S55141571 A JPS55141571 A JP S55141571A JP 4659279 A JP4659279 A JP 4659279A JP 4659279 A JP4659279 A JP 4659279A JP S55141571 A JPS55141571 A JP S55141571A
- Authority
- JP
- Japan
- Prior art keywords
- tool
- steel
- acid
- perforating
- scale
- 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
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
- C23C8/00—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
- C23C8/02—Pretreatment of the material to be coated
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)
Abstract
PURPOSE:To form scale excellent in adhesive property on a steel tool perforating steel tube so as to extend the service life time of the tool, by immersing the steel tool for in an aqueous inorg. acid soln. or in a molten salt, thereby activating the surface of the tool to form scale. CONSTITUTION:To prevent the fusion between a steel pipe and the surface of a steel tool for perforating the steel pipe, or local plastic deformation of the tool surface, scale is formed and adhered to the tool surface in order to prevent the direct contact of the tool surface with the pipe material so that both the materials are insulated thermally and are lubricated. For that purpose, the tool is immersed in aqueous inorg. acid soln. of pH not higher than 3, such as hydrochloric acid, sulfuric acid, nitric acid, phosphoric acid, hydrofluoric acid etc., or in a molten salt in order to activate the surface. Then, the tool is heat-treated to form scale excellent in adhesive property on the surface. No local wear of, or no scale peeling from the tool surface is caused during use, consequently the service life time of the tool is extended stably.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4659279A JPS55141571A (en) | 1979-04-18 | 1979-04-18 | Surface treatment of perforating steel tool for steel pipe |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4659279A JPS55141571A (en) | 1979-04-18 | 1979-04-18 | Surface treatment of perforating steel tool for steel pipe |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS55141571A true JPS55141571A (en) | 1980-11-05 |
Family
ID=12751557
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP4659279A Pending JPS55141571A (en) | 1979-04-18 | 1979-04-18 | Surface treatment of perforating steel tool for steel pipe |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS55141571A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0421784A (en) * | 1990-05-14 | 1992-01-24 | Tokuyama Soda Co Ltd | Formation of oxide coating film |
JPH0587568U (en) * | 1985-10-09 | 1993-11-26 | コントロン インスツルメンツ ホールディング エヌ.ブイ. | Device for extracting a portion of liquid from a container closed by a cover |
CN112467320A (en) * | 2020-11-24 | 2021-03-09 | 无锡爱德为科技有限公司 | Filter and tuning method and processing equipment thereof |
-
1979
- 1979-04-18 JP JP4659279A patent/JPS55141571A/en active Pending
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0587568U (en) * | 1985-10-09 | 1993-11-26 | コントロン インスツルメンツ ホールディング エヌ.ブイ. | Device for extracting a portion of liquid from a container closed by a cover |
JPH0421784A (en) * | 1990-05-14 | 1992-01-24 | Tokuyama Soda Co Ltd | Formation of oxide coating film |
CN112467320A (en) * | 2020-11-24 | 2021-03-09 | 无锡爱德为科技有限公司 | Filter and tuning method and processing equipment thereof |
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