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US1991977A - Steel alloy - Google Patents

Steel alloy Download PDF

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Publication number
US1991977A
US1991977A US557366A US55736631A US1991977A US 1991977 A US1991977 A US 1991977A US 557366 A US557366 A US 557366A US 55736631 A US55736631 A US 55736631A US 1991977 A US1991977 A US 1991977A
Authority
US
United States
Prior art keywords
steel alloy
silicon
carbon
zirconium
article
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 - Lifetime
Application number
US557366A
Inventor
Fry Adolf
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 Corp
Original Assignee
Nitralloy Corp
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 Corp filed Critical Nitralloy Corp
Priority to US557366A priority Critical patent/US1991977A/en
Application granted granted Critical
Publication of US1991977A publication Critical patent/US1991977A/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • 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
    • 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

Definitions

  • hardened surface and consisting 01' a steel alloy titanium 'or zirconium may amount to between 4 to 8 elements other. than aluminium and carbon will amount to from 4 to 8%. In general, it is prei'erable to vary the proportion of with relation to alloying elements. When the total percentage of the other of the product.
  • inventions may 0.30% carbon, 0.52% silicon, 1 f1s% man- 0.34% carbon, 0.32% silicon, 0.49% man-
  • An article of manufacture having a nitride surface and consisting of a steel alloy 30 4% but not exceeding about 8% .01 an element selected from the group consisting of silicon, manganese, nickel, chromium, molybdenum, tungsten, vanadium, titanium and zirconium, with the balance substantially all iron.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Laminated Bodies (AREA)

Description

Patented Feb. 19, 1935 UNITED STATES PATENT OFFICE either separately or in and up to .7% carbon.
portion of either si chromium, molybden STEEL ALLOY Adolf Fry, Essen, Germany, asslgnor to The vltylltralloy Corporation, a corporation of Delaare No Drawing. Application August 15, 1931,
' Serial No. 557,368
and from 4 to 8% of silicon, molybdenum,
titanium or any desired 0 In other wor licon, mangan um, tungsten,
zirconium, ombination, (is, the proes vanadium,
substantially all iron.
3. hardened surface and consisting 01' a steel alloy titanium 'or zirconium may amount to between 4 to 8 elements other. than aluminium and carbon will amount to from 4 to 8%. In general, it is prei'erable to vary the proportion of with relation to alloying elements. When the total percentage of the other of the product.
invention may 0.30% carbon, 0.52% silicon, 1 f1s% man- 0.34% carbon, 0.32% silicon, 0.49% man- An article of manufacture having a nitride surface and consisting of a steel alloy 30 4% but not exceeding about 8% .01 an element selected from the group consisting of silicon, manganese, nickel, chromium, molybdenum, tungsten, vanadium, titanium and zirconium, with the balance substantially all iron.
2. hardened surface An article of An article of manufacture having a nitride
US557366A 1931-08-15 1931-08-15 Steel alloy Expired - Lifetime US1991977A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US557366A US1991977A (en) 1931-08-15 1931-08-15 Steel alloy

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US557366A US1991977A (en) 1931-08-15 1931-08-15 Steel alloy

Publications (1)

Publication Number Publication Date
US1991977A true US1991977A (en) 1935-02-19

Family

ID=24225105

Family Applications (1)

Application Number Title Priority Date Filing Date
US557366A Expired - Lifetime US1991977A (en) 1931-08-15 1931-08-15 Steel alloy

Country Status (1)

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US (1) US1991977A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2949390A (en) * 1957-08-07 1960-08-16 Harold M Feder Method of protecting tantalum crucibles against reaction with molten uranium

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2949390A (en) * 1957-08-07 1960-08-16 Harold M Feder Method of protecting tantalum crucibles against reaction with molten uranium

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