This Standard specifies requirements for plain and deformed hot-rolled steel bars for use as reinforcement for concrete. It applies to reinforcement supplied in straight lengths or in coil form. For coiled material, the requirements apply to the straightened product.NOTES:For 'Purchasing Guidelines', see Appendix A.For 'Means for demonstrating compliance with this Standard', see Appendix B.For welding of bars complying with this Standard, see AS 3600 and AS 1554.3.This Standard is not applicable to prestressing steels.