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Babbitt’s metal is a bearing alloy originally patented by Isaac Babbitt. The classic composition of Babbitt’s metal is:
The addition of lead can significantly extend the range of service of this alloy. The composition of Babbitt’s metal can vary widely depending on specific requirements, with typical ranges including:
- Tin: 5-90%
- Copper: 1.5-6%
- Antimony: 7-10%
- Lead: 5-48.5%
This alloy is known for its excellent antifriction properties, making it ideal for use in bearing applications.
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