Celsa Steel UK - reinforcement and steel long products manufacturing reinforcing bar, merchant bar, high yield coil, wire rod, flats, channels, angles, light sections, steel, reinforcement, Eco-Reinforcement, sustainability, responsible, sourcing, supply chain, supplier, recycling, recyclers, recycled, scrap, reassure, celsamax, ductility, melt shop, mill, Celsa Group, steel industry, reinforced concrete, spooler technology, spooled coils