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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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#1
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Weapons-Grade 6061?
http://www.grimmspeed.com/catalog/pr...FQvCKgod2CSU-Q Is that better or worse than "aircraft grade"? Best regards, Spehro Pefhany -- "it's the network..." "The Journey is the reward" Info for manufacturers: http://www.trexon.com Embedded software/hardware/analog Info for designers: http://www.speff.com |
#2
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Weapons-Grade 6061?
On Sat, 20 Aug 2011 11:49:08 -0400, Spehro Pefhany
wrote: http://www.grimmspeed.com/catalog/pr...FQvCKgod2CSU-Q Is that better or worse than "aircraft grade"? Best regards, Spehro Pefhany It exists and i have a whole bunch of it. For Gulf War #2, the miltary came to my son's workpace with a special rush project. They needed a couple dozen special parts to attach something to their large cargo plane. All hush hush and rush rush. Anyway, the military supplied four inch thick four foot wide by thirty feet long slabs of military grade AL. Had it rush shipped in. "The Kid" wrote the CNC program and sat by the bridge mill sixteen hours a day for two weeks. Anyway, there were huge scrap pieces. They had to go someplace. My grove made sence. I've made a few parts. It machines chips more like steel, not stringy gummy like other AL. The kid told me the tension spec was far higher than other AL. Karl Karl |
#3
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Weapons-Grade 6061?
On 8/20/2011 11:05 AM, Karl Townsend wrote:
On Sat, 20 Aug 2011 11:49:08 -0400, Spehro Pefhany wrote: http://www.grimmspeed.com/catalog/pr...FQvCKgod2CSU-Q Is that better or worse than "aircraft grade"? Best regards, Spehro Pefhany I sort of remember a TV show about making deep sea hard shell suit. The body of the shell was milled from a solid slab of 6061 - that had been compressed. A HUGE press smashed a 8 foot tall billet down to 5 feet. Dunno what grade that would be called, but it had to be denser. Richard |
#4
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Weapons-Grade 6061?
On 2011-08-20, Richard wrote:
On 8/20/2011 11:05 AM, Karl Townsend wrote: On Sat, 20 Aug 2011 11:49:08 -0400, Spehro Pefhany wrote: http://www.grimmspeed.com/catalog/pr...FQvCKgod2CSU-Q Is that better or worse than "aircraft grade"? Best regards, Spehro Pefhany I sort of remember a TV show about making deep sea hard shell suit. The body of the shell was milled from a solid slab of 6061 - that had been compressed. A HUGE press smashed a 8 foot tall billet down to 5 feet. Dunno what grade that would be called, but it had to be denser. That was a great joke! i |
#5
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Weapons-Grade 6061?
On Sat, 20 Aug 2011 11:49:08 -0400, Spehro Pefhany
wrote: http://www.grimmspeed.com/catalog/pr...FQvCKgod2CSU-Q Is that better or worse than "aircraft grade"? ============ Only if its billet. |
#6
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Weapons-Grade 6061?
"Ignoramus32042" wrote in message ... On 2011-08-20, Richard wrote: On 8/20/2011 11:05 AM, Karl Townsend wrote: On Sat, 20 Aug 2011 11:49:08 -0400, Spehro Pefhany wrote: http://www.grimmspeed.com/catalog/pr...FQvCKgod2CSU-Q Is that better or worse than "aircraft grade"? Best regards, Spehro Pefhany I sort of remember a TV show about making deep sea hard shell suit. The body of the shell was milled from a solid slab of 6061 - that had been compressed. A HUGE press smashed a 8 foot tall billet down to 5 feet. Dunno what grade that would be called, but it had to be denser. That was a great joke! i I agree. Harold |
#7
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Weapons-Grade 6061?
"F. George McDuffee" wrote in message ... On Sat, 20 Aug 2011 11:49:08 -0400, Spehro Pefhany wrote: http://www.grimmspeed.com/catalog/pr...FQvCKgod2CSU-Q Is that better or worse than "aircraft grade"? ============ Only if its billet. Yet another term that is used to death. It's all billet, aside from castings. Even they are cast. Harold |
#8
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Weapons-Grade 6061?
On Aug 20, 7:46*am, Richard wrote:
On 8/20/2011 11:05 AM, Karl Townsend wrote: On Sat, 20 Aug 2011 11:49:08 -0400, Spehro Pefhany *wrote: http://www.grimmspeed.com/catalog/pr...h=151&products.... Is that better or worse than "aircraft grade"? Best regards, Spehro Pefhany I sort of remember a TV show about making deep sea hard shell suit. The body of the shell *was milled from a solid slab of 6061 - that had been compressed. A HUGE press smashed a 8 foot tall billet down to 5 feet. Dunno what grade that would be called, but it had to be denser. Richard I saw that show. It doesn't make it denser but it does improve the mechanical properties. Forge it first then they mill it to specs. They use it to make wheels too among other things. On the show the way they shot it did make it look smaller. Karl |
#9
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Weapons-Grade 6061?
"Karl Townsend" wrote in message ... On Sat, 20 Aug 2011 11:49:08 -0400, Spehro Pefhany wrote: http://www.grimmspeed.com/catalog/pr...FQvCKgod2CSU-Q Is that better or worse than "aircraft grade"? Best regards, Spehro Pefhany It exists and i have a whole bunch of it. For Gulf War #2, the miltary came to my son's workpace with a special rush project. They needed a couple dozen special parts to attach something to their large cargo plane. All hush hush and rush rush. Anyway, the military supplied four inch thick four foot wide by thirty feet long slabs of military grade AL. Had it rush shipped in. "The Kid" wrote the CNC program and sat by the bridge mill sixteen hours a day for two weeks. Anyway, there were huge scrap pieces. They had to go someplace. My grove made sence. I've made a few parts. It machines chips more like steel, not stringy gummy like other AL. The kid told me the tension spec was far higher than other AL. Karl Very likely it's just reinforced metal composite. They put ceramic whiskers and a variety of other things in there to get higher tensile strength, heat tolerance, and, most noticeably, greater stiffness. It has a variety of defense and aerospace uses. Sometimes it's a bear to machine; other varieties machine just like regular aluminum grades, but they typically knock the edges off your tools in a hurry. As for the gadget that Spehro pointed to, ho-ho, ha-ha. g -- Ed Huntress |
#10
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Weapons-Grade 6061?
On Aug 20, 9:49*am, Spehro Pefhany
wrote: http://www.grimmspeed.com/catalog/pr...h=151&products.... Is that better or worse than "aircraft grade"? Best regards, Spehro Pefhany -- "Ergonomic", yet, on top of "weapons grade". I suppose that was next in the buzz phrase generator's list. 6061 was used at one time in AR forgings, 7075 is more common these days. Stan |
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