ISO 6934-1:1991

Overview

ISO 6934-1:1991 - "Steel for the prestressing of concrete - Part 1: General requirements" establishes the general requirements, definitions and delivery/testing rules for high‑tensile steel used in prestressed concrete. It is the umbrella part of the ISO 6934 series and works with Parts 2–5, which specify properties for cold‑drawn wire, quenched & tempered wire, strand and hot‑rolled bars. ISO 6934-1 covers material types, manufacturing limits, surface condition, identification, testing scope and information to be supplied by the purchaser.