1. Materials: grade 1, 2, 5, 6, 7, 9, 12, 23. 2. Specification : astm b265, astm f67, astm f136, ams 4911. 3. Size: Thickness: 0.02mm (0.0008"), width: 30mm-100mm (1.18"-3.94"), length: =500mm (19.7"); Thickness: 0.03mm-0.09mm (0.0012"-0.0035"), width: 50mm-200mm (0.197"-7.87"), length: =500mm (19.7") 4. Application: used in electronics, chemicals, watches, glasses, jewelry, sporting goods, machinery, plating equipment, environmental equipment, golf and precision machining industries, heat exchangers, various types of corrosive-resistant equipment, textile machinery and sporting equipment.