Induction Heating and Healing Behaviors of Asphalt Concretes Doped with Different Conductive Additives

Table 2

The impurity element content of steel wool fiber and steel grit.

Materials	Chemical element
	C (%)	Mn (%)	P (%)	S (%)	Si (%)
Steel wool fiber	0.06–0.12	0.8–1.2	≤0.05	≤0.05	≤0.07
Steel grit	≤0.12	≤2.00	≤0.035	≤0.03	≤1.00