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High Yield Steel

High yield steel reinforcement has a characteristic yield strength of 500 N/mm2 and is designated as Grade 500 in BS 4449, Specification for carbon steel bars for the reinforcement of concrete. It is supplied as deformed round bars. Standard diameters are from 8 mm to 40 mm. 50 mm diameter bars are available by arrangement.

For further information see The CARES Guide to Reinforcing Steels, Part 3, Properties of Reinforcing Steels, which is available from or can be ordered by e-mail from  


Image courtesy of ROM Ltd
Acknowledgement: The Concrete Society