Material Introduction Material Name: CuZn30 brass Features and Scope: CuZn30 brass has a very good plasticity (is the best in brass) and high strength, good cutting performance, easy welding, corrosion is very stable in general , but easy to produce corrosion cracking. CuZn30 brass for heat exchangers, paper tubes, machinery, electronics parts. Chemical Composition Copper Cu: 68.5 ~ 71.5 Zinc Zn: margin Lead Pb: ≤ 0.03 Phosphorus P: ≤ 0.01 Iron Fe: ≤ 0.10 Antimony Sb: ≤ 0.005 Bismuth Bi: ≤ 0.005 Note: ≤ 0.3 (impurity) mechanical properties of tensile strength σb (MPa): ≥ 290 Elongation δ10 (%): ≥ 40 Note: The strip tensile properties at room temperature sample size: thickness ≥ 0.3 Heat Specifications thermal processing temperature 750 ~ 830 ℃; annealing temperature of 520 ~ 650 ℃ ; eliminate the stress of low temperature annealing temperature 260 ~ 270 ℃ Spot Size: CuZn30 Plate Spot Size: 0.3mm-350mm (thickness) CuZn30 bar stock specifications: 3.0mm-500mm (diameter) CuZn30 wire stock specifications: 0.1mm-20mm ( diameter) the same products, prices cheaper, same price, better quality, same quality, better service and quality assurance of timely delivery. Reasonable prices .. Thanks for the support. Sincerely! 0755 -85,230,966