Wikipedia entity: List of blade materials
Topics: materials; metal; properties
Original sentence: They also contain relatively high levels of vanadium (3.0% to 4.0%), producing a high volume of vanadium carbides in the steel matrix, associated with excellent abrasion-resistant edge holding.
Quantified sentence: They also contain relatively high levels of vanadium (still a small amount), producing a high volume of vanadium carbides in the steel matrix, associated with excellent abrasion-resistant edge holding.
Quantifier: small
Percentage: 3.0%-4.0%
Specificity: unable