DE393694C - Nickel-free special steel - Google Patents

Nickel-free special steel

Info

Publication number
DE393694C
DE393694C DEST31226D DEST031226D DE393694C DE 393694 C DE393694 C DE 393694C DE ST31226 D DEST31226 D DE ST31226D DE ST031226 D DEST031226 D DE ST031226D DE 393694 C DE393694 C DE 393694C
Authority
DE
Germany
Prior art keywords
nickel
special steel
percent
free special
free
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
DEST31226D
Other languages
German (de)
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.)
GLOCKENSTAHLWERKE AKT GES VORM
Original Assignee
GLOCKENSTAHLWERKE AKT GES VORM
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 GLOCKENSTAHLWERKE AKT GES VORM filed Critical GLOCKENSTAHLWERKE AKT GES VORM
Priority to DEST31226D priority Critical patent/DE393694C/en
Application granted granted Critical
Publication of DE393694C publication Critical patent/DE393694C/en
Expired legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21CPROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
    • C21C7/00Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/12Ferrous alloys, e.g. steel alloys containing tungsten, tantalum, molybdenum, vanadium, or niobium

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)
  • Heat Treatment Of Steel (AREA)

Description

Nickelfreier Spezialstahl. Früher wurden Stahllegierungen mit 7- bis 8 Prozent Ni oder solche mit 7 bis 8 Prozent Ni und geringen Zusätzen von Co, und Mo, oder Stahle mit q. bis 5 Prozent N i und i bis 2 Prozent Si dazu verwendet, Schutzchilde aller Art, Helme, Sturmkappen, Geschützrohrmaterial und überhaupt Gegenstände, bei denen neben hoher Festigkeit und Härte hohe Zähigkeit verlangt wird, z. B. hochwertige Baustähle für die -Automobil- und Flugzeugindustrie, herzustellen. Später während des Krieges wurden vielfach nickelfreie Stahllegierungen für diese Zwecke vorgeschlagen, die sehr gute Eigenschaften hatten, die aber trotzdem dem Nickelstahl nicht ganz gleichwertig waren.Nickel-free special steel. Steel alloys with 7- to 8 percent Ni or those with 7 to 8 percent Ni and small additions of Co, and Mo, or steels with q. up to 5 percent Ni and i up to 2 percent Si are used Protective shields of all kinds, helmets, storm caps, gun barrel material and objects in general, where, in addition to high strength and hardness, high toughness is required, e.g. B. high quality Manufacture structural steels for the automotive and aircraft industries. Later during During the war, nickel-free steel alloys were often proposed for these purposes, which had very good properties, but which were still not quite like nickel steel were equivalent.

Es ist ferner der Erfinderin eine Stahllegierung geschützt, die o,32 bis 0,4.8 C, i bis 2 Mn, 0,5 bis 1,5 Si und bis 2 Prozent Mo enthält. Diese nickelfreie Stahllegierung kommt in ihren Eigenschaften den Nickelstählen nahe. Weitere Versuche mit dieser Legierung haben nun zu einer Abänderung der Zusammensetzung geführt, die den früheren Nickelstählen voll und ganz gleichwertig ist. Diese Versuche haben ergeben, daß man mit den Niedrigstgrenzen wesentlich heruntergehen kann, wenn gleichzeitig der Si-Gehalt erhöht wird. Man kann gegenüber der geschützten Legierung bis auf C = o,2o Mn = o,5 und Mo = 0,5 herabgehen, wenn Si bis auf 2,5 Prozent erhöht wird; dabei kann das Mo durch i bis 4: Prozent Wo ganz oder teilweise ersetzt werden.It is also protected by the inventor a steel alloy, the o, 32 to 0.4.8 C, i to 2 Mn, 0.5 to 1.5 Si and up to 2 percent Mo. This nickel free Steel alloy comes close to nickel steels in terms of its properties. More attempts with this alloy have now led to a change in the composition, which is fully equivalent to the earlier nickel steels. Have these attempts show that you can go down significantly with the lowest limits if at the same time the Si content is increased. You can up to the protected alloy C = 0.2o, Mn = 0.5 and Mo = 0.5 decrease as Si is increased to 2.5 percent; Mo can be replaced in whole or in part by i to 4: percent Wo.

Claims (1)

PATENTANSPRUCH: Nickelfreier Spezialstahl von hoher Festigkeit, Härte und Zähigkeit, dadurch gekennzeichnet, daß er o,2 bis o,3 Kohlenstoff, 0,5 bis i Mangan, 1,5 bis 2,5 Si und o,5 bis 2,5 Molybdän enthält, wobei letzteres durch i bis q. Prozent Wolfram ganz oder teilweise ersetzt werden kann.PATENT CLAIM: Nickel-free special steel of high strength and hardness and toughness, characterized in that it contains 0.2 to 0.3 carbon, 0.5 to i Manganese, 1.5 to 2.5 Si and 0.5 to 2.5 molybdenum, the latter by i to q. Percent tungsten can be replaced in whole or in part.
DEST31226D 1918-05-29 1918-05-29 Nickel-free special steel Expired DE393694C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DEST31226D DE393694C (en) 1918-05-29 1918-05-29 Nickel-free special steel

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEST31226D DE393694C (en) 1918-05-29 1918-05-29 Nickel-free special steel

Publications (1)

Publication Number Publication Date
DE393694C true DE393694C (en) 1924-04-05

Family

ID=7461688

Family Applications (1)

Application Number Title Priority Date Filing Date
DEST31226D Expired DE393694C (en) 1918-05-29 1918-05-29 Nickel-free special steel

Country Status (1)

Country Link
DE (1) DE393694C (en)

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