Joint of a turnout segment of manganese steel with a rail of...

Details Joint of a turnout segment of manganese steel with a rail of... Joint of a turnout segment of manganese steel with a rail of...

Category

C - Chemistry, Metallurgy

Subcategory

22

Subsubcategory

C

IPC codes

C22C 38/44 (2006.01) B23K 35/24 (2006.01) C22C 38/50 (2006.01)

Type

Patent

Patent number

CA 2343847

Description

A turnout segment of manganese steel is joined with a rail of carbon steel, using a spacer of bainitic steel. The spacer has the following composition in percent by weight, except for iron: 0.07 up to 0.15% of carbon, 0.50 up to 1.20% of manganese, maximally 0.50% of silicon, 1.20 up to 2.00% of chrome, 0.40 up to 0.70% of molybdenum, 2.50 up to 3.50% of nickel, maximally 0.13% of vanadium; maximally 0.05% of titanium, maximally 0.045% of the total contents of aluminium in steel, maximally 0.015% of phosphor, and maximally 0.015% of sulphur.

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