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发表于 2009-12-19 12:24:56
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来自: LAN
ASTM B209 -07 Standard Specification for Aluminum and Aluminum-Alloy Sheet and Plate , aluminum alloy, aluminum-alloy plate, aluminum-alloy sheet,
4 G5 c* ?2 ^3 b1 T2 N
- q1 F$ ^5 B8 gASTM B211 -03 Standard Specification for Aluminum and Aluminum-Alloy Bar, Rod, and Wire , aluminum alloy, rolled or cold-finished bar, rolled or cold finished
8 @0 g( m1 _0 s
0 @: a g5 D% C5 F9 h- \ASTM B221 -08 Standard Specification for Aluminum and Aluminum-Alloy Extruded Bars, Rods, Wire, Profiles, and Tubes , aluminum alloy, extruded bars |
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