Oxyacetylene reducing flame is used while carrying out welding on
A. Alloy steel
B. Grey cast iron
C. Mild steel
D. High carbon steel
Answer: Option C
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For High carbon steel Oxyactylene reducing flame is used.
Incorrect
Mild steel is used in neutral flame.
Oxy acetylene is used for low carbon materials and used for suface hardened. So for reducing flame alloy steel is used.