Steel spring, and steel bar and method for producing same

C - Chemistry – Metallurgy – 22 – C

Patent

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Details

C22C 38/24 (2006.01) B21B 1/00 (2006.01) C21D 1/25 (2006.01) C21D 8/00 (2006.01) C21D 9/02 (2006.01) F16F 1/02 (2006.01)

Patent

CA 2071190

A hot rolled steel bar is subjected to controlled hot roll finishing and cooling conditions which, together with the composition of the steel and controlled subsequent heat treating and quenching conditions, enable the formation of a steel spring having both relatively high hardness and high toughness.

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