18k金和750金什么区别

18k金和750金是和金两种常见的金属材料，它们之间有什么区别呢？

首先，什区18k金是和金由75%的纯金和25%的其他金属混合而成的。这些其他金属通常是什区银、铜、和金镍等，什区以增加金属的和金硬度和强度。因为18k金含有相对较高的什区纯金，所以它通常比750金更昂贵，和金更具有珍贵性。什区

而750金是和金由75%的纯金和25%的其他金属混合而成的，其中纯金的什区含量为750/1000。因为750金的和金纯金含量较低，所以它相对较便宜，什区但是和金它仍然具有一定的价值和美观性。

此外，750金通常用于制作珠宝首饰和金币，因为它相对较硬，不易变形，而18k金则更适合制作细致或复杂的设计，因为它更柔软和易于加工。

总的来说，18k金和750金都是优质的金属材料，它们都具有独特的美观性和价值。选择哪种材料取决于预算、设计和用途。

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