GB401666A - Improvements in the manufacture of alloy steel rails - Google Patents

Improvements in the manufacture of alloy steel rails

Info

Publication number
GB401666A
GB401666A GB1085832A GB1085832A GB401666A GB 401666 A GB401666 A GB 401666A GB 1085832 A GB1085832 A GB 1085832A GB 1085832 A GB1085832 A GB 1085832A GB 401666 A GB401666 A GB 401666A
Authority
GB
United Kingdom
Prior art keywords
alloy steel
manufacture
rails
steel rails
per cent
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
GB1085832A
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.)
OSCAR FRIDOLF ALEXANDER SANDBE
Original Assignee
OSCAR FRIDOLF ALEXANDER SANDBE
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 OSCAR FRIDOLF ALEXANDER SANDBE filed Critical OSCAR FRIDOLF ALEXANDER SANDBE
Priority to GB1085832A priority Critical patent/GB401666A/en
Publication of GB401666A publication Critical patent/GB401666A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
    • C21D9/04—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for rails

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Heat Treatment Of Articles (AREA)
  • Heat Treatment Of Steel (AREA)

Abstract

In the manufacture of railway or tramway rails, the rails are rolled from an alloy steel containing 0.35-0.6 per cent of carbon, about 1 of manganese and 0.30-1.0 of chromium or 1.0-3.0 of nickel, and after leaving the rolls are subjected to an accelerated cooling through the critical range. The temperature of the rails is then equalised at above 500 DEG C. and the rail is then caused to cool slowly from the last-mentioned temperature to about 350 DEG C. The alloy steel may also contain 0.25-1.0 per cent of copper. Specifications 18972/14, 192,446, and 324,686, [all in Class 72, Iron &c.], are referred to.
GB1085832A 1932-04-15 1932-04-15 Improvements in the manufacture of alloy steel rails Expired GB401666A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1085832A GB401666A (en) 1932-04-15 1932-04-15 Improvements in the manufacture of alloy steel rails

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1085832A GB401666A (en) 1932-04-15 1932-04-15 Improvements in the manufacture of alloy steel rails

Publications (1)

Publication Number Publication Date
GB401666A true GB401666A (en) 1933-11-15

Family

ID=9975608

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1085832A Expired GB401666A (en) 1932-04-15 1932-04-15 Improvements in the manufacture of alloy steel rails

Country Status (1)

Country Link
GB (1) GB401666A (en)

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