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太帅了,楼主你用的那种黄铜,看这里http://en.wikipedia.org/wiki/Brass
有几种适合cold work. 比如
Alpha brasses with less than 35% zinc, are malleable, can be worked cold, and are used in pressing, forging, or similar applications.
Cartridge brass is a 30% zinc brass with good cold working properties.
而且熔点也没底多少,

[ 本帖最后由 bacchus 于 2009-4-4 10:02 编辑 ] |
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