So the correct carbon steel forging temperature range does not include industrial pure iron.

碳钢正确的锻造温度范围应不包括工业纯铁。

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The qualified industrial pure iron whose carbon content is below 0.025% has been made in laboratory.

在实验室中制备出含碳量低于0.025％合格的工业纯铁。

youdao

The qualified industrial pure iron whose carbon content is below 0.025% has been made in laboratory.

在实验室中制备出含碳量低于0.025％合格的工业纯铁。

youdao