AS NZS 4671:2019 pdf free.Steel for the reinforcement of concrete. 7.3.4 Coilsize The mass and dimensions of the coils are subject to agreement at the time of order. 7.4 Surface geometry 7.4.1 General The deformed steel bars and coils covered by this Standard shall be characterized by surface geometry. The geometry of ribs or indentations shall conform to Clauses 7.4.2.1,...