Q. Carburizing is done (A) By heating 200?C below critical temperature (B) On steels with carbon percentage of 0.5% (C) To induce soft surface for machining on a hard core (D) To improve hardenability of steel 👁️ Show Answer 💬 Discuss 🔗 Share ⚡Menu ✅ Correct Answer: (B) On steels with carbon percentage of 0.5%