Ineed with welding class how hot do i have to get the flame before it reaches the point to melt metal together?

6,300 degrees Fahrenheit

Explanation:

Oxidizing Flame. Cast iron can be welded with an oxidizing flame. The oxidizing flame is produced by increasing the oxygen in the mixture, producing an oxygen-rich gas. It has a temperature between 6,000 and 6,300 degrees Fahrenheit.

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