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Subject: Tin, Blue colouration?

Date: 07/16/00 at 2:50 AM
Posted by: kunifer
E-mail: centaur@metalloys.demon.co.uk
Message Posted:

Has anyone had experience of a blue tinge in tin alloys? A surface blueing on the finished casting has caused problems. Some of the blueing can be seen evident in the unalloyed tin ingots, suggesting this is the cause of the problem.

Anyone know what impurity mat be the cause this.

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