Molybdenum GTAW filler rod?

By jerrykroll (**)

Date 03-25-2005 17:23

pure moly ?,

or are you welding a moly alloy ?

perhaps best you explain your use or application.

By - Date 03-26-2005 00:41

Dave,
I've never heard of a "moly" TIG rod, but that doesn't mean they don't make such an animal. What % moly are you looking for? The greatest % of moly I've ever heard of is in your nickel based alloys with a moly % of 16%, at the most.

CM

By caweldtech.com Date 03-26-2005 03:45

I will be welding Molybdenum tube and machined parts.
Material is Molybdenum 99.95% TZM: (Ti: 0.4 - 0.55%, Zr: 0.06 - 0.12%)
The material to be welded is Molybdenum NOT a metal alloyed with Molybdenum.
I am trying to find a reliable supplier of Molybdenum GTAW filer rod.

Thanks,
Dave

By - Date 03-26-2005 14:27

Dave,
I would start with the base material manufacturer - they may even have a division that manufactures filler materials. I would also get their recommendations for welding (parameters, techniques, etc).
Mankenberg

By ajoy

Date 03-27-2005 07:26

It would be great if you could let us know the manufacturer, filler specification and the welding parameters of the proposed weld once you have completed the job.
Thanks in advance.

By C C GIROTRA Date 03-29-2005 17:55

MOLYBDENUMCAN BE WELDED AUTOGENOUSLY IF THE X-SECTION IS THIN.ALTERNATELY CUT THE BASE METAL SHEET AND USE IT AS FILLER METAL.
CONTACT ANY INCADESCENT BULB MANUFACTURERS THEY USE MOLYBDENUM WIRE IN LARGE QTY. THEY ALSO USE MOLY SHEETS TO PREPARE/FORM A TUBULAR FURNACE WHERE SWAGING OF TUNGSTEN BILLET IS DONE. TO BUY MOLY CONTACT CABOT CORPORATION USA

By SWP

Date 03-29-2005 23:21

You might try United States Welding, they draw a lot of exotic wire for aero space, etc.
http://www.usweldingcorp.com/main.htm