Speechless - an overwhelming resource for the metallurgist, materials scientist, technologist, technician and graduate engineer.
For a large selection of about 1000 handbooks go to the Scribd link provided below and use the Scribd site search tool. Key words "ASM Metals HandBooks" should produce a list of 10 or so excellent, ASM Metal HandBooks, and again keying in just "Metals HandBooks generates a list of about 2000 Handbooks!
Large ASM Catalogue and about a 1000 more HandBooks