🔍 Context-dependent effectiveness
The effectiveness of alloying elements varies based on steel composition, processing conditions, and intended application.
⚙️ Phase stability control
Alloying elements influence which phases (ferrite, austenite, martensite) form and remain stable at different temperatures.
🔬 Carbide morphology, not just presence
The shape, size, and distribution of carbides matter more than just their chemical composition.
💪 Hardenability vs hardness
Hardenability is the ability to form martensite throughout the section; hardness is surface property measurement.
⚠️ Toughness degradation mechanisms
Understanding how elements like phosphorus, sulfur, and carbides reduce impact resistance is crucial.
🎯 Industrial Application Logic
Real-world steel selection balances multiple properties—not just maximizing one characteristic.