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digr 08-06-2022 02:03 PM

4 Attachment(s)
Tomorrow is the day I pre mitered the corners hoping for no gaps

Shade Tree Welder 08-06-2022 06:10 PM

Quote:

Originally Posted by digr (Post 786805)
Tomorrow is the day I pre mitered the corners hoping for no gaps

Looks great.

How did you do the bends?

digger doug 08-06-2022 07:00 PM

Quote:

Originally Posted by Shade Tree Welder (Post 786765)
Ummm no it does not, I can prove it... come over and I will show you on my container.

Corten is known as the rusting steel.
Maybe the recipe or name has changed ?

digr 08-06-2022 07:52 PM

Quote:

Originally Posted by Shade Tree Welder (Post 786808)
Looks great.

How did you do the bends?

Thank's I was able to do the short bends in my brake but hat to slice, heat and bend the back.

Shade Tree Welder 08-06-2022 08:47 PM

Quote:

Originally Posted by digger doug (Post 786809)
Corten is known as the rusting steel.
Maybe the recipe or name has changed ?

Or it was just marketing...:devil:

milomilo 08-06-2022 10:06 PM

Not exactly Ron. Rust yes, but there is a purpose to the rust.

Shade Tree Welder 08-07-2022 09:06 AM

Quote:

Originally Posted by milomilo (Post 786814)
Not exactly Ron. Rust yes, but there is a purpose to the rust.

Like I said come see the rust through holes in my container that have been patched...

JBFab 08-08-2022 08:43 AM

Alright, Corten is a brand name for ASTM A588 Weathering steel. A588 is indeed an HSLA grade, but not all HSLA is A588 (or weathering steel for that matter). A588 surface rusts very quickly, but that rust sort of encapsulates the steel beneath it slowing down further rusting. You won't see sheets of rust flaking off of A588. It's commonly used on RR bridges, not just because of the added yield strength over conventional A992, but because they don't have to paint it. Also, if you're going to use A588 for it's weathering properties, you ought to use the welding consumables to weld it as well.
Otherwise you're defeating the purpose. Another misconception out there is that HSLA (including A588) is produced to pass yield/tensile test and NOT to a specific chemistry. That is false - they must pass both.

All that being said, the surround looks great Ted! For the application I don't think anything mentioned is going to last any appreciably amount longer than the other with the exception of inconel or 316 stainless, but in that case I'd bet it would crack due to expansion sooner than anything else - maybe not if it's not too restrained.

Shade Tree Welder 08-08-2022 11:33 AM

Quote:

Originally Posted by JBFab (Post 786847)
Alright, Corten is a brand name for ASTM A588 Weathering steel. A588 is indeed an HSLA grade, but not all HSLA is A588 (or weathering steel for that matter). A588 surface rusts very quickly, but that rust sort of encapsulates the steel beneath it slowing down further rusting. You won't see sheets of rust flaking off of A588. It's commonly used on RR bridges, not just because of the added yield strength over conventional A992, but because they don't have to paint it. Also, if you're going to use A588 for it's weathering properties, you ought to use the welding consumables to weld it as well.
Otherwise you're defeating the purpose. Another misconception out there is that HSLA (including A588) is produced to pass yield/tensile test and NOT to a specific chemistry. That is false - they must pass both.

It still rusts through.

chumly2071 08-08-2022 01:31 PM

Another place Corten is widely used is debris bodies on vacuum trucks and sewer cleaner trucks.


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