UNE 36-077-73 defines the usual chemical compositions of non-alloy steel and carbon-manganese steel semiproducts intended for general use. The standard establishes symbolic and numerical steel designations, carbon and manganese composition limits, phosphorus and sulfur purity requirements, deoxidation states, residual element provisions, manufacturing conditions, delivery and acceptance procedures, sampling and chemical analysis requirements, and certification provisions. It also references UNE 36-007 for general technical delivery conditions for steel products.
Application Scope: For steel manufacturers, fabricators, inspectors, engineers, and purchasers who need to specify, manufacture, test, or accept steel semiproducts based on chemical composition.
