Why should a carburizing flame be avoided when welding steel?
Understand the Problem
The question is asking why a carburizing flame should be avoided when welding steel. This implies an interest in understanding the effects of different flame types on steel and the welding process. A carburizing flame adds carbon to the weld, which can lead to issues like embrittlement.
Answer
It hardens the surface due to extra carbon.
A carburizing flame should be avoided when welding steel because it hardens the surface due to the addition of extra carbon.
Answer for screen readers
A carburizing flame should be avoided when welding steel because it hardens the surface due to the addition of extra carbon.
More Information
The presence of excessive carbon from a carburizing flame can cause the welded joint to become more brittle and prone to cracking.
Tips
Ensure the correct flame type is used for welding specific materials to avoid unwanted chemical changes.
