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Tin ingots (Chinese: 斗锡) were a trading currency unique to Malacca. Cast in the shape of a peck, or dou in Chinese, each ingot weighs just over 1 pound (0.45 kg). Ten blocks made up one unit called a small bundle , and 40 blocks made up one large bundle .
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Evidence of direct tin trade between Europe and the Eastern Mediterranean has been demonstrated through the analysis of tin ingots dated to the 13th-12th centuries BC from sites in Israel, Turkey and modern-day Greece; tin ingots from Israel, for example, have been found to share chemical composition with tin from Cornwall and Devon (Great ...
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The metals of antiquity generally have low melting points, with iron being the exception.. Mercury melts at −38.829 °C (−37.89 °F) [21] (being liquid at room temperature).
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Ingot molds are tapered to prevent the formation of cracks due to uneven cooling. A crack or void formation occurs as the liquid to solid transition has an associated volume change for a constant mass of material. The formation of these ingot defects may render the cast ingot useless and may need to be re-melted, recycled, or discarded.
Tin production (tonnes) by country ; Country (or area) Production World 310,000 China * 85,000 Indonesia * 80,000 Myanmar * 54,000 Peru * 18,500 Bolivia 17,000