316 vs 316L
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Posted by: fuzz81 ®

05/17/2006, 22:16:01

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Hi

What's the difference between 316 and 316L?As I know, the diff. is on carbon content which is 316L have a low carbon content.Is it true?What's the advntage of using 316L rather than 316?
Thanks.








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Re: 316 vs 316L
Re: 316 vs 316L -- fuzz81 Post Reply Top of thread Forum
Posted by: rconner ®

05/19/2006, 14:25:02

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Not claiming to be an expert in this but I believe 316L is reported to have enhanced resistance to intergranular corrosion, particularly when used in some fabrications (see e.g. https://www.sandmeyersteel.com/316-316L.html). It appears, however, that even 316L can also be "sensitized" to some extents by some exposures, as it appears noted at https://www.nrc.gov/reading-rm/doc-collections/gen-comm/info-notices/1996/in96054.html.







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Re: 316 vs 316L
Re: 316 vs 316L -- fuzz81 Post Reply Top of thread Forum
Posted by: randykimball ®
Barney
05/19/2006, 12:03:22

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For a couple of things, 316L can be machined and roll formed easier.




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Re: Re: 316 vs 316L
Re: Re: 316 vs 316L -- randykimball Post Reply Top of thread Forum
Posted by: Juan Crawford ®

05/23/2006, 22:01:29

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At welding temperatures, chromium carbides are formed in the molten pool. The carbides are precipitated at the grain boundaries as the weld cools and solidifies, resulting in a depletion of the corrosion-resisting chromium in these areas. If a part is to be welded, reduced-carbon 316L will usually result in better corrosion resistance in the weld area. If welding is not required, there is little if any difference in the corrosion resistances of the two alloys.







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