Spring temper is a metallurgy type of temper.
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Spring temper..тони:..ир, 2003.терино.
A similar temper produced in brass by an extreme temper is also called spring temper.
There is a spring temper.ерорити, транортн :.тони...
There are metal alloys that have copper as their principal component.They have high resistance.Bronze, where tin is a significant addition, and brass, using zinc, are the best known types.Both of these are on the internet.