Method of reducing the gaping values in the web saw cut test on steel railway tracks
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United States of America Patent
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Jun 29, 1999
Grant Date -
N/A
app pub date -
Aug 13, 1997
filing date -
Aug 22, 1996
priority date (Note) -
Expired
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Abstract
This invention concerns a method of reducing the gaping values of railway tracks made of steel to less than 3.6 mm. It is characteristic of this invention that the rolled and leveled rails are heated briefly, i.e., for approx. 10 to 25 sec, until reaching a maximum temperature of 100.degree. C. in the rail head and a maximum of 260.degree. C. in the web, and then they are allowed to cool again immediately.
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