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Posted: 11/10/2021 9:30:39 AM EDT
[#1]
Titanium is much stronger than 304 or 316SS and weighs ~30% less. Yes, Aluminum is even lighter, but you don't have nearly the strength. Leave the Al for subsonic, lower pressure, builds.
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Posted: 11/10/2021 10:53:21 AM EDT
[#2]
Worth it. Buy once, cry once.
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Posted: 11/10/2021 10:54:58 AM EDT
[#3]
Worth it. Buy once, cry once.
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Posted: 11/10/2021 11:09:30 AM EDT
[#4]
Steel may be stronger, but it's significantly heavier. Aluminum may be lighter (or as light), but it's significantly weaker and as a result, not appropriate for (IMO) most centerfire rifle uses. The cost/benefit ratio might tilt toward aluminum for a rimfire can, but for a rifle can (unless you're planning on a lot of mag dumps), the weight savings for Ti make it very attractive.
Just my .02. |
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Posted: 11/10/2021 11:20:52 AM EDT
[#5]
Titanium is a great choice for rifle unless you are doing consistent mag dumps. Even with that, for the Form1 world, the only semi-available tubes that would out perform Gr9 Ti in that context would be 17-4 H900, but there’s only one company offering tubes in that material.
I opt for Gr9 every time. A simple glass bead blast makes the Ti look really nice:  Attached File |
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Posted: 12/29/2021 10:05:40 PM EDT
[#6]
https://www.mdshooters.com/showthread.php?p=6464551
just curious how many drill will be destroyed by the titanium cup |
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Posted: 12/29/2021 11:15:17 PM EDT
[#7]
Quote HistoryQuoted: https://www.mdshooters.com/showthread.php?p=6464551 https://www.mdshooters.com/attachment.php?attachmentid=326368&stc=1&d=1636228603 just curious how many drill will be destroyed by the titanium cup I have similar one to this, half the price Grade 5 Titanium. Carbide drill bit with AlTiN coating with a drill press was like butter drilled 4x10 grade 5 cups no problem. |
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Posted: 12/29/2021 11:35:14 PM EDT
[#8]
Quote HistoryQuoted: just curious how many drill will be destroyed by the titanium cup Depends on your technique. I do my baffles with a set of chinese center drills, HSS bits from harbor freight, USA made reamers from McMaster Carr, and clipped with some TiN coated chinese end mills. Every baffle, I use appropriate speeds on the bit and tap magic for lube. Center drill, then drill with 2 different bits, and ream to size. Then come in with the end mill and clip it. I have completed 4 cans. Got another one lined up in the garage to finish up. My HF drill bit set is not showing any signs of stopping yet. None of them have been burned up or ruined.  
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Posted: 12/30/2021 5:47:01 PM EDT
[#9]
Quote HistoryQuoted: just curious how many drill will be destroyed by the titanium cup As others have conveyed, Ti isn't some unobtanium metal that's hard to drill through. Yes, it has it's nuances, but, still, not difficult. Your through depth is like 60thou. I use, almost exclusively, HSS drill bits on my lathe. I go through Ti dry or sometimes w/ a single drop of non-chlorinated cutting fluid. |
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Posted: 12/31/2021 2:29:49 AM EDT
[#10]
Quote HistoryQuoted: As others have conveyed, Ti isn't some unobtanium metal that's hard to drill through. Yes, it has it's nuances, but, still, not difficult. Your through depth is like 60thou. I use, almost exclusively, HSS drill bits on my lathe. I go through Ti dry or sometimes w/ a single drop of non-chlorinated cutting fluid. HSS is fine. I trust it more on titanium when heated than carbide. I've had carbide break easy because I didn't relax and went too quick. Even with cutting fluid. |
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Posted: 1/7/2022 10:58:24 AM EDT
[#11]
The trick to machining titanium is realizing that it work hardens very easily. If you don't allow an HSS bit to simply rub, and keep it cutting, it will cut a fair amount of Ti before needing resharpening.
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Posted: 1/7/2022 12:47:40 PM EDT
[#12]
Quote HistoryQuoted: The trick to machining titanium is realizing that it work hardens very easily. If you don't allow an HSS bit to simply rub, and keep it cutting, it will cut a fair amount of Ti before needing resharpening. Yep. My tailstock wasn't 100% locked down and it caused my drill to rub instead of push...killed the drill pretty quick. Otherwise Ti cuts better than most people expect. Just treat it like the past and don't dwell on it. 
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Posted: 1/7/2022 12:59:18 PM EDT
[#13]
Quote HistoryQuoted: Yep. My tailstock wasn't 100% locked down and it caused my drill to rub instead of push...killed the drill pretty quick. Otherwise Ti cuts better than most people expect. Just treat it like the past and don't dwell on it. |
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Posted: 2/16/2022 10:27:06 PM EDT
[#14]
Pretty tube
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Posted: 2/18/2022 10:53:39 AM EDT
[#15]
Quote HistoryQuoted: Titanium is much stronger than 304 or 316SS and weighs ~30% less. Yes, Aluminum is even lighter, but you don't have nearly the strength. Leave the Al for subsonic, lower pressure, builds. Aluminum, even as low as 6061 is fine in rimfire. |
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Posted: 2/18/2022 10:16:58 PM EDT
[#16]
Quote HistoryQuoted:Aluminum, even as low as 6061 is fine in rimfire. Yes, rimfire is a lower pressure round and was what I said to leave Al for, in the post you quoted.  @ahrion |
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