7075, a cold finished aluminum wrought alloy, high strength, far better than mild steel. Alloy 7075 is one of the most powerful commercial. General corrosion resistance, good mechanical properties and the anode reaction. Deep drilling, fine grain makes a better performance, tool wear, thread rolling different. Physical Characteristics tensile strength 524Mpa: 0.2% 7075 yield strength aluminum 455Mpa: 11% Elongation elastic modulus E / Gpa: 71 Hardness: 150HB density: 0.2810 main purpose aerospace industry, blow molding (bottles) mode, ultrasonic plastic welding mold, high child golf head, shoe, paper and plastic molding, foam molding, lost wax mold, templates, fixtures, machinery and equipment, mold processing. For the production of high-end aluminum bicycle frame. Features 1. High-strength heat treatable alloys. 2. Good mechanical properties. 3. To good use. The ease of processing, good wear resistance. 5. corrosion resistance, good oxidation resistance. Chemical composition of silicon Si: 0.40 iron Fe: 0.50 Copper Cu: 1.2-2.0 Mn Mn: 0.30 Mg Mg: 2.1-2.9 chromium Cr: 0.18-0.28 Zinc Zn: 5.1-6.1 Titanium Ti: 0.20 Al Al: margin Other: Single : 0.05 Total: 0.15 Mechanical Properties Tensile strength σb (MPa): ≥560 elongation stress σp0.2 (MPa): ≥495 Elongation δ5 (%): ≥6 NOTE: seamless mechanical properties of the sample size : diameter> 12.5