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Search took 0.00 seconds. Search: Posts Made By: Stumble
Forum: Construction, Maintenance & Refit 03-12-2012, 14:25
Replies: 68
Views: 7,359
Posted By Stumble
Re: Stainless Bolts

While it is true that 304 is more prone to becoming magnetic when you see it in billet form you can stick a magnet on it, and it just falls off. The best that can be said if its non-magnetic is that...
Forum: Construction, Maintenance & Refit 03-12-2012, 10:01
Replies: 68
Views: 7,359
Posted By Stumble
Re: Stainless Bolts

Just as a FYI.

Magnetic testing of stainless DOES NOT DETERMINE GRADE.

While the conventional wisdom is that 304 is magnetic, while 316 isn't, this is just wrong. All a magnet can tell you...
Forum: Construction, Maintenance & Refit 30-11-2012, 20:49
Replies: 68
Views: 7,359
Posted By Stumble
Re: Stainless Bolts

The only real way to tell is with a testing kit that can test for the presence of molybendium. Unfortunately the test kits run about $300, so it isn't reasonable for most users.

You can also ask...
Forum: Construction, Maintenance & Refit 30-11-2012, 18:47
Replies: 68
Views: 7,359
Posted By Stumble
Re: Stainless Bolts

Steve,

I haven't run into this question before so I would want to run it by an engineer to be honest. The best information I found is that the ultimate sheer strength is 79,800psi. So check my...
Forum: Construction, Maintenance & Refit 30-11-2012, 16:28
Replies: 68
Views: 7,359
Posted By Stumble
Re: Stainless Bolts

I would also warn you about using siliconized bronze as chainplate bolts. Because SB is more anodic than the stainless plate and rigging, you could have a galvanic problem attacking the bolts....
Forum: Construction, Maintenance & Refit 30-11-2012, 16:23
Replies: 68
Views: 7,359
Posted By Stumble
Re: Stainless Bolts

Tristan,

I was actually thinking of CP2 which has a yield of 40,000psi vs 316L stainless at 29,700psi. But we could certainly go with G5 with a yield of 128,000psi for a little more. Siliconized...
Forum: Construction, Maintenance & Refit 30-11-2012, 15:22
Replies: 68
Views: 7,359
Posted By Stumble
Re: stainless bolts

Todd,

In closed areas like this where there is a possibility of water being trapped against the bolt, 316L is almost required if you go with stainless.

Of course I will try to sell you...
Showing results 1 to 7 of 7

 
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