Rail steel

Details Rail steel Rail steel

1994-11-18

1998-01-27

Yee, Deborah

Alloys or metallic compositions

Ferrous

Lead, bismuth, selenium, tellurium or calcium containing

420110, 148906, 148584, C22C 3860, C21D 800

Patent

active

057119147

ABSTRACT:
The properties of conventional steels for rails, check rails and railroad rolling components can be improved by small amounts of tellurium. This applies particularly to the wear resistance and the mechanical properties in the transverse direction and at oxygen contents of less than 0.0015% and sulfur contents up to 0.007%.

REFERENCES:
patent: 4032333 (1977-06-01), Josefsson
patent: 4326886 (1982-04-01), Abeyama et al.
patent: 4404047 (1983-09-01), Wilks
patent: 4898629 (1990-02-01), Lang et al.
patent: 5013525 (1991-05-01), Hamada et al.
patent: 5077003 (1991-12-01), Muraoka et al.
patent: 5085733 (1992-02-01), Mitamura

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