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  #1  
Old 05-29-2019, 01:56 PM
638steamer 638steamer is offline
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Weld procedure

Hey Gents'

I am looking for a downhill weld procedure for stainless steel with a backer ring. I know there is a 316L-15 rod that is meant to use downhill. Any help is greatly appreciated.
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  #2  
Old 06-20-2019, 06:51 AM
WELDO WELDO is offline
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Re: Weld procedure

Thats an interesting request as Ive never heard of a downhill weld procedure with Stainless stick electrode .
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  #3  
Old 06-20-2019, 09:22 PM
Charlie Charlie is offline
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Re: Weld procedure

XXX-15 SS is an all position open groove bead rod that can be handled up or down. Always fill & cap uphill.
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Old 06-29-2019, 05:36 AM
Charlie Charlie is offline
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Re: Weld procedure

Hey I found some old 308-15 & downhilled a drain pipe to a SS box. It acts kind of like Lincoln pipeliner LH D-80
Personally I wouldn't attempt downhilling any critical SS pipe welding

If you must stick weld stainless to itself or carbon use our UA46 procedure uphill with modern electrodes.
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Old 06-29-2019, 06:58 AM
638steamer 638steamer is offline
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Re: Weld procedure

Quote:
Originally Posted by Charlie View Post
Hey I found some old 308-15 & downhilled a drain pipe to a SS box. It acts kind of like Lincoln pipeliner LH D-80
Personally I wouldn't attempt downhilling any critical SS pipe welding

If you must stick weld stainless to itself or carbon use our UA46 procedure uphill with modern electrodes.
MIG was approved but being out in the wind I am thinking stick may be a better choice?
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Old 06-29-2019, 02:45 PM
Charlie Charlie is offline
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Re: Weld procedure

Quote:
Originally Posted by 638steamer View Post
MIG was approved but being out in the wind I am thinking stick may be a better choice?
Yeah...3/32 309-17 uphill does good in wind. .Look up UA46.procedure
We use root backing a lot on the job but the test is open groove & can be a real MF
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Old 06-30-2019, 09:23 AM
638steamer 638steamer is offline
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Re: Weld procedure

Quote:
Originally Posted by Charlie View Post
Yeah...3/32 309-17 uphill does good in wind. .Look up UA46.procedure
We use root backing a lot on the job but the test is open groove & can be a real MF

Spec is backer ring so thats good.
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