an alloy that contains mainly iron and carbon is
VIII-Metals-A-Steel-1 THE MANUFACTURE OF STEEL Steel refers to any iron-carbon alloy, although steels usually contain other elements as well. In New Zealand steel is made by BH P NZ at Glenbrook, where about 90% of New Zealandâs annual steel requirements are produced.III-Metals-A-Steel-1 THE MANUFACTURE OF STEEL Steel refers to any iron-carbon alloy, although steels usually contain other elements as well. In New Zealand steel is made by BH P NZ at Glenbrook, where about 90% of New Zealandâs annual steel requirements are produced.