JPS55141571A - Surface treatment of perforating steel tool for steel pipe - Google Patents

Surface treatment of perforating steel tool for steel pipe

Info

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
Application number
JP4659279A
Other languages
Japanese (ja)
Inventor
Junji Yamada
Tetsuya Deguchi
Yoshitomo Hitachi
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Daido Steel Co Ltd
Original Assignee
Daido Steel Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Daido Steel Co Ltd filed Critical Daido Steel Co Ltd
Priority to JP4659279A priority Critical patent/JPS55141571A/en
Publication of JPS55141571A publication Critical patent/JPS55141571A/en
Pending legal-status Critical Current

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.
JP4659279A 1979-04-18 1979-04-18 Surface treatment of perforating steel tool for steel pipe Pending JPS55141571A (en)

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)

* Cited by examiner, † Cited by third party
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

Cited By (3)

* Cited by examiner, † Cited by third party
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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