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GB834218A - Improvements in or relating to an age hardenable austenitic alloy and articles employing same - Google Patents

Improvements in or relating to an age hardenable austenitic alloy and articles employing same

Info

Publication number
GB834218A
GB834218A GB1898256A GB1898256A GB834218A GB 834218 A GB834218 A GB 834218A GB 1898256 A GB1898256 A GB 1898256A GB 1898256 A GB1898256 A GB 1898256A GB 834218 A GB834218 A GB 834218A
Authority
GB
United Kingdom
Prior art keywords
relating
austenitic alloy
employing same
range
age hardenable
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
GB1898256A
Inventor
Wasil William Dyrkacz
Richard Kalman Pitler
Edward Evans Reynolds
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.)
Allegheny Ludlum Steel Corp
Original Assignee
Allegheny Ludlum Steel 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 Allegheny Ludlum Steel Corp filed Critical Allegheny Ludlum Steel Corp
Priority to GB1898256A priority Critical patent/GB834218A/en
Publication of GB834218A publication Critical patent/GB834218A/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
    • C22C38/38—Ferrous alloys, e.g. steel alloys containing chromium with more than 1.5% by weight of manganese

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)

Abstract

An age-hardenable austenitic alloy, suitable for use as parts of gas turbines or as valves for internal combustion engines, has a composition in per cent by weight within the following range: .C.0.55-0.65 .Mn.7.5-10.0 .Si.0.45-0.6 .Cr.21.0-22.5 .N.0.3-0.4 .Fe and impurities the balance.. To improve machinability one or both of S and Se may be present up to 0.15 in total. Impurities such as P, Cu, S, Co, Ni should not exceed 1.5 in total. The alloy may be solution treated in the range 1900-2300 DEG F. for 1/4 -8 hours, quenched and hardened in the range 1200-1600 DEG F for 1/4 -48 hours. Quenching may be replaced by air cooling in the case of thin sections.
GB1898256A 1956-06-19 1956-06-19 Improvements in or relating to an age hardenable austenitic alloy and articles employing same Expired GB834218A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1898256A GB834218A (en) 1956-06-19 1956-06-19 Improvements in or relating to an age hardenable austenitic alloy and articles employing same

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1898256A GB834218A (en) 1956-06-19 1956-06-19 Improvements in or relating to an age hardenable austenitic alloy and articles employing same

Publications (1)

Publication Number Publication Date
GB834218A true GB834218A (en) 1960-05-04

Family

ID=10121760

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1898256A Expired GB834218A (en) 1956-06-19 1956-06-19 Improvements in or relating to an age hardenable austenitic alloy and articles employing same

Country Status (1)

Country Link
GB (1) GB834218A (en)

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