420ss to 316ss

Date 05-20-2015 12:32

Kent,
I have used a 309L Flux Core (FCAW) wire from ESAB in the past along with preheat.

http://www.lincolnelectric.com/assets/global/Products/Consumable_StainlessNickelandHighAlloy-UltraCore-UltraCoreFCP316L/c64000.pdf

Thanks

By ssbn727 (*****)

Date 05-21-2015 07:33

Inconel what number? What applications are you referring to? Need more details.

Respectfully,
Henry

By kcd616

Date 05-21-2015 20:36 Edited 05-22-2015 05:20

Henry,
I am thinking the 700 series
maybe 718
gtaw for app
but would like to go gmaw
saves $ and faster
sincerely,
Kent
edit: Lawrence, and Al tell me how wrong I am :wink:

I know Henry will :wink:

btw Henry low temp need the 420 for magnetic properties.
also want the corrosion resistance
js has a good point
Richard you made a great point...I have just never been a fan of fcaw

By js55

Date 05-21-2015 21:06

718 seems overkill. 309 is the usual default choice if you don't go with matching filler. Something different can be used depending upon the service intended.

By Lawrence (*****)

Date 05-22-2015 12:53 Edited 05-22-2015 12:56

I'm with JS as far as the overkill.

Inco 718 is a precipitation hardenable alloy and I see no need for it here.

But since we have zero idea what the purpose of the work is... No technical answer is coming from me :)

You know the drill Kent:

Joint type
Intended purpose
Material thickness
Process for joining options
Code requirments

By kcd616

Date 05-22-2015 16:14 Edited 05-22-2015 17:32

Lawrence,
Joint type: fillet
Intended purpose:magnetic electric turbine generator
Material thickness: 1/2 maybe 3/8"
Process for joining options: smaw, gtaw, fcaw, gmaw
Code requirments: none prototype: local building code, but they will be lost :eek:

sincerely,
Kent
btw same project been brainstorming for months now