For the steel grade with higher carbon content, whose major wearing form is micro cutting, the pan furrows are wider and deeper with minimal adhesion abrasion and spalling fatigue.

• 碳含量较高的试验钢随载荷和磨损速度的增加，其磨损形式仍以显微切削为主，但犂沟变宽、加深，并伴有轻度粘着磨损及疲劳剥落现象。