ISO 6934 specifies requirements for high tensile strength steel to be used in prestressed concrete. It applies only to material in the condition as supplied by the manufacturer. It does not cover requirements for materials and anchorage devices used in conjunction with the prestressing steel in structural components.The specific properties for each type of prestressing steel are given in ISO 6934-2 to ISO 6934-5. This title may contain less than 24 pages of technical content.