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Metalworking (rec.crafts.metalworking) Discuss various aspects of working with metal, such as machining, welding, metal joining, screwing, casting, hardening/tempering, blacksmithing/forging, spinning and hammer work, sheet metal work. |
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carbide vs. solid carbide? Cheap carbide?
On Thu, 01 Sep 2011 19:37:30 -0500, Jon Elson
wrote: Ed Huntress wrote: g It's too bad that term has stuck. I've talked to a lot of people over the years who don't realize that "solid carbide" actually is a sintered material, with tungsten carbide and tantalum carbide particles cemented together with cobalt and/or other metals. The genesis of the non-solid variety, as far as I know, is that in the beginning, there were cutters made with steel shanks and the cutter was welded on, probably during the sintering process. I know this was true with carbide circuit board drills. I'm sure nobody makes them this way anymore, at least in modest sizes up to a couple inches diameter. Jon Solid carbide = 100% carbide as opposed to just carbide tipped. I believe the MSC search, which I think sucks, is due to either manufacturer key words or just that MSC had a bunch of college kids typing in stuff, (data entry), to get their catalog into web format. every one typed things in a little differently. Most annoying when you get stuff like 1.0 1.00 1 1.00 1" as selections for size. I still think McMaster-Carr is the gold standard for web sites. Remove 333 to reply. Randy |
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