Is there an upper limit to what temperature can be used for tempering a plain carbon steel? Explain? - Quora
What is the lowest temperature which high carbon steel can be used at before becoming brittle? - Quora
![The mechanical properties of low carbon steel as a function of temperature. | Download Scientific Diagram The mechanical properties of low carbon steel as a function of temperature. | Download Scientific Diagram](https://www.researchgate.net/publication/331281931/figure/fig2/AS:729114352832514@1550845816779/The-mechanical-properties-of-low-carbon-steel-as-a-function-of-temperature.png)
The mechanical properties of low carbon steel as a function of temperature. | Download Scientific Diagram
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