Question

I need help with welding class how hot do I have to get the flame before it reaches the point to melt metal together?

Answer 1

6,300 degrees Fahrenheit

Step-by-step 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.