Yes,4140 steel is suitable for induction hardening.
Due to the different frequency of the current, the input depth of the induced current is different during heating.
- Medium Frequency:With a moderate heating rate, the hardened layer depth can reach 2-10mm, making it suitable for parts requiring strength and toughness.
- High Frequency:Although it heats up extremely quickly, the hardened layer depth is only 1-2mm, making it suitable for parts with extremely wear-resistant surfaces.
Medium-frequency induction hardening is suitable for small-sized 4140 round steel bars, with minimal deformation, making it suitable for mass production.