GB614398A - Improvements in or relating to austenitic alloy steels - Google Patents

Improvements in or relating to austenitic alloy steels

Info

Publication number
GB614398A
GB614398A GB1749945A GB1749945A GB614398A GB 614398 A GB614398 A GB 614398A GB 1749945 A GB1749945 A GB 1749945A GB 1749945 A GB1749945 A GB 1749945A GB 614398 A GB614398 A GB 614398A
Authority
GB
United Kingdom
Prior art keywords
per cent
steel
relating
carbide
alloy steels
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
GB1749945A
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to GB1749945A priority Critical patent/GB614398A/en
Priority to ES174169A priority patent/ES174169A1/en
Publication of GB614398A publication Critical patent/GB614398A/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
    • C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/58—Ferrous alloys, e.g. steel alloys containing chromium with nickel with more than 1.5% by weight of manganese

Abstract

A high expansion austenitic steel, suitable for use in the manufacture of internal combustion engines, has the following composition:-C 0.35-0.90 per cent, Mn 3.5-6.0 per cent, Cr 3.0-7.0 per cent, Ni 9.0-16.0 per cent, Cu 0.5-12.0 per cent, V 0.2-0.5 per cent, Fe with or without impurities forming the remainder. The V content may be wholly or partly replaced by one or more other carbide-forming elements, namely W, Mo, Ti, Nb and Ta, the total content of the carbide-forming elements not exceeding 1.0 per cent. The steel may also contain 0.2-2.0 per cent of Si. The steel is normalized at a minimum temperature of 700 DEG C. The heat treatment may consist of normalizing at 700-750 DEG C for about four hours followed by a low temperature heat-treatment at 550-600 DEG C for about 24 hours.
GB1749945A 1945-07-09 1945-07-09 Improvements in or relating to austenitic alloy steels Expired GB614398A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB1749945A GB614398A (en) 1945-07-09 1945-07-09 Improvements in or relating to austenitic alloy steels
ES174169A ES174169A1 (en) 1945-07-09 1946-07-04 IMPROVEMENTS IN SUSTAINED ALLOY STEELS

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1749945A GB614398A (en) 1945-07-09 1945-07-09 Improvements in or relating to austenitic alloy steels

Publications (1)

Publication Number Publication Date
GB614398A true GB614398A (en) 1948-12-15

Family

ID=10096246

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1749945A Expired GB614398A (en) 1945-07-09 1945-07-09 Improvements in or relating to austenitic alloy steels

Country Status (2)

Country Link
ES (1) ES174169A1 (en)
GB (1) GB614398A (en)

Also Published As

Publication number Publication date
ES174169A1 (en) 1946-08-01

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