Physics · Heat Treatment of Steels
Why are plain medium-carbon steels difficult to heat treat successfully throughout thick cross-sections?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Alloy carbides prevent martensite formation
- 2They form excessive retained austenite
- 3They transform completely to ferrite during cooling
- 4They possess low hardenability requiring extremely rapid quenching rates✓
Correct answer
They possess low hardenability requiring extremely rapid quenching rates
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