Traditional Culture Encyclopedia - Traditional festivals - Is iron a man-made material? Are iron ore or steel natural materials?
Is iron a man-made material? Are iron ore or steel natural materials?
Iron ore is a natural material, which can be smelted to obtain steel and chemically pure iron, which is a chemical element.
Generally speaking, steel, such as pig iron, high carbon steel, low carbon steel, alloy steel, etc.
Its main component is iron, but it only contains a mixture of carbon or other elements.
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