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Q: In mild steel carbon percentage ranges in between
  • A. 0.15-0.25%
  • B. 0.25-0.35%
  • C. 0.35-0.45%
  • D. 0.45-0.55%
Correct Answer: Option A - In mild steel carbon percentage range around 0.15% to 0.25% is welding used. (i) Low-carbon steels– Carbon content in the range of < 0.3% (ii) Medium carbon steels– Carbon content in the range of 0.3-0.7% (iii) High carbon steels– Carbon content in the range of 0.7-1.5%
A. In mild steel carbon percentage range around 0.15% to 0.25% is welding used. (i) Low-carbon steels– Carbon content in the range of < 0.3% (ii) Medium carbon steels– Carbon content in the range of 0.3-0.7% (iii) High carbon steels– Carbon content in the range of 0.7-1.5%

Explanations:

In mild steel carbon percentage range around 0.15% to 0.25% is welding used. (i) Low-carbon steels– Carbon content in the range of < 0.3% (ii) Medium carbon steels– Carbon content in the range of 0.3-0.7% (iii) High carbon steels– Carbon content in the range of 0.7-1.5%