Introducción en inglés: Q235B, 45#, Q355B, 20# carbon steel round bar, square bar, hexagonal bar, including hot rolled black bar and cold drawn bright bar. Dense material texture, stable hardness, easy welding and forging, cost-effective. Used for mechanical processing, structural connectors, shaft blank, engineering machinery, steel structure accessories and fastener production.

Tamaño estándar: Diameter 6mm-320mm, fixed length 6m/9m/12m