Hello rahm,
The ASTM International Specification ASTM B566 - 04a Standard Specification for Copper-Clad Aluminum Wire covers the four classes of copper-clad aluminum wire as follows:
Class 10A—Nominal 10 volume % copper, annealed.
Class 15A—Nominal 15 volume % copper, annealed.
Class 10H—Nominal 10 volume % copper, hard-drawn.
Class 15H—Nominal 15 volume % copper, hard-drawn.
It can be purchased at:
www.astm.org/Standards/B566.htm
You may be able to obtain a license for the manufacturing technology from Fushi Copperweld Inc. (Chinese) at
www.fushicopperweld.com/
You may also wish to talk with the folks at BWE Ltd. (UK), the makers of the Conform/ Conklad metal extrusion systems.
www.bwe.co.uk/
Regards
Peter J. Stewart-Hay
Principal
Stewart-Hay Associates
www.Stewart-Hay.com
519 641- 3212