Cu-Sn alloy coating with different Sn content can be replacement plating out on iron and steel surface in a solution comprising of copper sulfate, stanous sulfate, complexant and stabilization agent.
Bronze, an alloy of copper and tin, is much harder and cuts much better than copper or gold, and once discovered, it was widely used to make tools and weapons for over a thousand years.
铁匠.与浅色金属(
)
道
匠人.
、硫酸亚
、稳定
硬、切割的效果也更好，自
年前被发现起就
