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6 marksHeat Treatment of Metals

CSEC Industrial Technology · 2019 · Paper 2 · Question 2(a)

Figure 2 shows a simplified iron-carbon phase diagram important in the heat treatment of steel.

Identify EACH of the labelled areas of the diagram: Phase A, Phase B, Phase C, Phase D, Phase E, and Phase F.

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Other parts of this question

  1. 2(b)List FOUR reasons why steel may be heat-treated.[6 marks]
  2. 2(c)State TWO media that may be used to quench tools.[2 marks]
  3. 2(d)(i)With reference to Figure 2, outline the steps involved in the full annealing of steel.[3 marks]
  4. 2(d)(ii)With reference to Figure 2, outline the steps involved in the normalizing of steel.[3 marks]

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