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Question:

Is the rail of the railway made of steel? Or iron or iron?

Is the rail of the railway made of steel? Or iron or iron?

Answer:

Rail is a forging, steel and iron are essentially different from the amount of carbon content. The carbon content of steel is 0. 0218%-2. Between 11%, the carbon content of the cast iron is 2. 11%-6. 69%.Such as a rail model is: 60U71MN, the rail belongs to manganese steel 60, indicating that the weight is 60KG/mU71 means 0.71% carbon content
It's iron, but it's a metal forged by a variety of alloys.

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