A type of carbon steel with a low carbon content, typically between 0.05% and 0.25% by weight. This composition makes it ductile, easy to weld, and relatively inexpensive, leading to its widespread use in applications like construction, automotive parts, and machinery.
The leftover pieces from manufacturing, end-of-life products like old vehicles and building supplies, or any waste wrought iron suitable for being melted down and reworked into new products.