Steel for railway and tram point crossing frog castings

Details Steel for railway and tram point crossing frog castings Steel for railway and tram point crossing frog castings

C - Chemistry, Metallurgy

22

C

C22C 38/54 (2006.01) C22C 38/44 (2006.01) C22C 38/58 (2006.01)

Patent

CA 2510512

A steel composition for the production of railway and tram crossing point frog castings is disclosed which includes iron with, by weight, 0.15 to 0.2% of carbon, 1 - 1.8% of manganese, 1 - 1.6% of silicone, 1.5 - 2.5% of chrome, 2.3 - 3.5% of nickel, 0.4- 0.7% of molybdenum and 0.0025 - 0.005% of boron. The composition has a higher wear and tear resistance and longer service life.

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