Simple categories matching metallurgical:

• activity,
• phenomenon,
• transformation,
• process,
• property,
• condition,
• furnace,
• quality,

Members with property metallurgical:

• spring_capability,
• melting,
• electrolysis,
• compression_strength,
• recovery,
• selective_oxidation,
• leaching,
• steel_manufacturing,
• grain,
• grain_size,
• metal_production,
• hardness,
• ductility,
• pit_furnace,
• flocculation,
• precipitation,
• malleability,
• hot_strength,
• chemical_composition,
• dimensional_stability,
• impurity,
• combustion_furnace,
• diffusion_process,
• specific_hardness,
• high_ductility,
• corrosion,
• heating,
• value_extraction,
• blast,
• heat_treatment,
• shot,
• arc_furnace,
• mining,
• electric_furnace,
• inconsistent_grain,
• softening,
• strength,
• dislocation,
• case_depth,
• toughness,
• gas_channel,
• filtration,
• surface_contamination,
• lower_density,
• uniformity,
• mechanical_property,
• coagulation,
• resistance_property,
• grain_growth,
• distillation,
• dynamic_recovery,
• flexibility,
• diffusion,
• sedimentation,
• excessive_porosity,
• structure,
• void,
• induction_melting,
• initial_hardness,
• steel_process,
• material_selection,
• slag_inclusion,
• fatigue,
• absence,
• strip_hardness,
• ammonia_leaching,
• dislocation_movement,
• strain_accumulation,
• elongation,
• increased_strength,