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[MW:34140] Re: Welding Consumable - SA 479 410SS (Control valve seal retainer)

By Materials & Welding
You can use E410 and sometimes E309, But for your case, my best suggestion is ERNiCrMo-3 because your service operation is associated with corrosion and erosion and further there is carbon steel material there that will be joined to SS.
ER CrNiMo-3
GTAW if possible
Preheat for thk>1" about 100 C
if you wanna healing the surface use AC plus 50-50%

On Thursday, April 20, 2023 at 4:47:45 AM UTC-4 Sanjay Viswanathan wrote:



I have to repair / re thread a threaded portion of a 3" control valve seal retainer (Material is SA 479 410SS).

What will be the suitable consumable for this?

Service: Boiler feed water pump outlet.
Size : 3" 1500#
Body: A216 WCB

Thanks & Best Regards

Sanjay

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