What are the purposes of the steel cord in automobile tires?

steel cord for automobile tires contain steel cord in two areas:

Bead：The steel cord used here are thick and wound multiple times as needed to help secure the tire to the wheel.

Beneath the tread: The steel cord here form a mesh. This is known as the steel belt (hence the term steel-belted radial tire). Its function is to provide rigidity to the tread and prevent punctures.

What are the purposes of the steel cord in automobile tires?

1. The steel belt reinforces the tread.
2. The beads added around the edges enable the tire to fit tightly onto the rim.”