This specification establishes the requirements for sheets and strips of copper-zirconium alloys with Copper Alloy UNS No. C15100. The material for manufacture shall be a cast bar, slab, cake, billet, or others of such purity and soundness as to be suitable for processing by hot working, cold working, and annealing to produce a uniform wrought structure in the finished product. Products shall be sampled and prepared, then tested accordingly to examine their conformance to dimensional (thickness, length, width, mass, straightness, and edges), mechanical (tensile strength, and hardness), electrical resistivity, chemical composition, and grain size requirements.