GB648258A - Graphitic alloy steel castings and the nitriding of such castings - Google Patents

Graphitic alloy steel castings and the nitriding of such castings

Info

Publication number
GB648258A
GB648258A GB35828/46A GB3582846A GB648258A GB 648258 A GB648258 A GB 648258A GB 35828/46 A GB35828/46 A GB 35828/46A GB 3582846 A GB3582846 A GB 3582846A GB 648258 A GB648258 A GB 648258A
Authority
GB
United Kingdom
Prior art keywords
castings
nitriding
alloy steel
graphitic alloy
graphitic
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.)
Expired
Application number
GB35828/46A
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.)
NITRALLOY Ltd
Original Assignee
NITRALLOY 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 NITRALLOY Ltd filed Critical NITRALLOY Ltd
Publication of GB648258A publication Critical patent/GB648258A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Solid-Phase Diffusion Into Metallic Material Surfaces (AREA)

Abstract

Castings are formed of the alloys claimed in the parent Specification by spinning the molten alloys in a centrifugal mould. The resulting casting may be subjected to the graphitizing and nitriding processes claimed in the parent Specification.
GB35828/46A 1945-12-06 1946-12-03 Graphitic alloy steel castings and the nitriding of such castings Expired GB648258A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US648258XA 1945-12-06 1945-12-06

Publications (1)

Publication Number Publication Date
GB648258A true GB648258A (en) 1951-01-03

Family

ID=22058475

Family Applications (1)

Application Number Title Priority Date Filing Date
GB35828/46A Expired GB648258A (en) 1945-12-06 1946-12-03 Graphitic alloy steel castings and the nitriding of such castings

Country Status (1)

Country Link
GB (1) GB648258A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1239715B (en) * 1957-10-12 1967-05-03 Res Inst Iron Steel Process for the production of nodular steels in the as-cast state
US4482399A (en) * 1982-08-26 1984-11-13 Toyo Kogyo Co., Ltd. Nitrided cast iron product and method for manufacturing the same
WO1987001735A1 (en) * 1985-09-19 1987-03-26 Sherby Oleg D Ultrahigh carbon steels containing aluminum, and processing thereof

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1239715B (en) * 1957-10-12 1967-05-03 Res Inst Iron Steel Process for the production of nodular steels in the as-cast state
US4482399A (en) * 1982-08-26 1984-11-13 Toyo Kogyo Co., Ltd. Nitrided cast iron product and method for manufacturing the same
WO1987001735A1 (en) * 1985-09-19 1987-03-26 Sherby Oleg D Ultrahigh carbon steels containing aluminum, and processing thereof

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