GB785271A - Improvements relating to alloys - Google Patents

Improvements relating to alloys

Info

Publication number
GB785271A
GB785271A GB6871/56A GB687156A GB785271A GB 785271 A GB785271 A GB 785271A GB 6871/56 A GB6871/56 A GB 6871/56A GB 687156 A GB687156 A GB 687156A GB 785271 A GB785271 A GB 785271A
Authority
GB
United Kingdom
Prior art keywords
per cent
alloys
content
aged
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
GB6871/56A
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.)
Mond Nickel Co Ltd
Original Assignee
Mond Nickel 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 Mond Nickel Co Ltd filed Critical Mond Nickel Co Ltd
Publication of GB785271A publication Critical patent/GB785271A/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
    • C22C19/00—Alloys based on nickel or cobalt
    • C22C19/03—Alloys based on nickel or cobalt based on nickel
    • C22C19/05—Alloys based on nickel or cobalt based on nickel with chromium
    • C22C19/051—Alloys based on nickel or cobalt based on nickel with chromium and Mo or W
    • C22C19/055—Alloys based on nickel or cobalt based on nickel with chromium and Mo or W with the maximum Cr content being at least 20% but less than 30%

Abstract

Alloys containing a precipitable phase containing Ni, Ti and Al and having good ductility and resistance to creep at high temperatures lie within the following range of compositions: Ni, 25-50 per cent; Cr, 8-25 per cent; C, up to 0.2 per cent; free Ti, 1.5-6 per cent; Mo, 5-7 per cent; B, 0.03-0.15 per cent; Zr, 0-0.2 per cent; Al, up to 4 per cent; Mn, 0-3 per cent; Si, 0-1 per cent; Cu, 0-5 per cent; V, 0-1 per cent; Co, 0-5 per cent; Fe, the remainder, at least 20 per cent. The free Ti content is calculated as the total Ti content minus 4 times the C content. The alloys may be solution treated between 1090 DEG C. and 1175 DEG C., rapidly cooled and aged between 590 DEG C. and 815 DEG C. Double ageing at 700 DEG C. and then at 650 DEG C. may be used or a treatment between 815 DEG C. and 950 DEG C. may be given between the solution treatment and ageing. If room temperature strength is important the solution treatment may be omitted and the alloys aged at say 760 DEG C. after hot or cold working.
GB6871/56A 1955-03-14 1956-03-05 Improvements relating to alloys Expired GB785271A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US785271XA 1955-03-14 1955-03-14

Publications (1)

Publication Number Publication Date
GB785271A true GB785271A (en) 1957-10-23

Family

ID=22144594

Family Applications (1)

Application Number Title Priority Date Filing Date
GB6871/56A Expired GB785271A (en) 1955-03-14 1956-03-05 Improvements relating to alloys

Country Status (1)

Country Link
GB (1) GB785271A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2951757A (en) * 1958-03-07 1960-09-06 Westinghouse Electric Corp High temperature nickel base alloy
US2981621A (en) * 1957-07-29 1961-04-25 Sierra Metals Corp High temperature nickel-iron base alloy

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2981621A (en) * 1957-07-29 1961-04-25 Sierra Metals Corp High temperature nickel-iron base alloy
US2951757A (en) * 1958-03-07 1960-09-06 Westinghouse Electric Corp High temperature nickel base alloy

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