EFFECT OF THERMOMECHANICAL TREATMENT ON THE PROPERTIES OF R-65 RAILS MADE OF LOW-ALLOY RAIL STEEL

VLIYANIE TERMOMEKHANICHESKOI OBRABOTKI NA SVOISTVA REL'SOV P-65 IZ NIZKOLEGIROVANNOI REL'SOVOI STALI

A study was made of the possibility and effectiveness of high-temperature thermomechanical treatment of full-profile R-65 rails made of 65KhSGF experimental rail steel. Rolling of off-gage products from temperatures of 800 and 850 degrees with a 20% deformation was carried out in a four-roll universal pass of a 360 mill with subsequent quenching in oil to form martensite (tempering at 450 degrees C) and in a water-air mixture to form troostosorbite (self-tempering at 470-520 degrees C). An improvement in the mechanical properties by 20 to 30 kgf/sq mm in comparison with ordinary heat treatment was established.

  • Corporate Authors:

    Severno-Kavkazskii Gornometallurgickeskii Institut

    Ordzhonikidze,   USSR 
  • Authors:
    • Gossman, A A
    • Chelyshev, N A
    • Kotov, A V
  • Publication Date: 1977

Language

  • Russian

Media Info

Subject/Index Terms

Filing Info

  • Accession Number: 00179066
  • Record Type: Publication
  • Source Agency: Engineering Index
  • Files: TRIS
  • Created Date: Jul 29 1978 12:00AM