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3004 aluminium alloy is an alloy in the wrought aluminum-manganese family (3000 or 3xxx series). It is similar to the 3003 alloy, except for the addition of approximately 1% magnesium. It can be cold worked (but not, unlike some other types of aluminum alloys, heat treated) to produce tempers with a higher strength but a lower ductility. Like most other aluminum-manganese alloys, 3003 is a general-purpose alloy with moderate strength, good workability, and good corrosion resistance. It is commonly rolled and extruded, but typically not forged. As a wrought alloy, it is not used in casting.〔Marks' Standard Handbook for Mechanical Engineers, 8th Ed., McGraw Hill, pp. 6-50 to 6-57〕 The alloy 3004 is commonly used in the making of beverage cans. It was developed to satisfy the need for thinner gauges in can-stock, and thereby to some extent replaced its predecessor 3003 alloy in the making of beverage cans. Can-stock can be made thinner due to the addition of 1% magnesium, which contributes in solid solution strengthening. Alternate designations include 3.0526 and A93004. 3004 aluminium and its various tempers are discussed in the following standards:〔(3004 (3.0526, A93004) Aluminum ). Retrieved on 2014-12-03.〕 * ASTM B 209: Standard Specification for Aluminum and Aluminum-Alloy Sheet and Plate * ASTM B 221: Standard Specification for Aluminum and Aluminum-Alloy Extruded Bars, Rods, Wire, Profiles, and Tubes * ASTM B 547: Standard Specification for Aluminum and Aluminum-Alloy Formed and Arc-Welded Round Tube * ISO 6361: Wrought Aluminium and Aluminium Alloy Sheets, Strips and Plates ==Chemical Composition== The alloy composition of 3004 aluminium is:〔 * Aluminium: 95.6 to 98.2% * Copper: 0.25% max * Iron: 0.7% max * Magnesium: 0.8 to 1.3% * Manganese: 1.0 to 1.5% * Silicon: 0.3% max * Zinc: 0.25% max * Residuals: 0.15% max 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「3004 aluminium alloy」の詳細全文を読む スポンサード リンク
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