welding rod selection for dissimilar materials

[Srinivas]

Dear all,

kindly let me know which welding filler wire &
welding rod can be used for A335 Gr.P 22 to S.S 316 materials

Thank you.

Srinivas

[Chandra, Vasanthan (Lagos)]

Ni alloy electrode can be used Like GTAW- ERNiCrMo-3, SMAW - ENiCrMo-3.


Regards,
Vasanth

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[franci...@indiatimes.com]

Using the below mentioned welding consumables with proper preheat on P22 side does not even require PWHT .

Best Regards,
Francis Lobo

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[Sukamal Naskar]

Dear Srinivas,

If A335 Gr.P22 require PWHT depending on the thickness or service condition, then go for a buffer layer on P22 material with E309MoL , then perform the PWHT, after PWHT do the butt joint with SS316 using E316L consumable.

 

If, P22 doesn't require any PWHT depending on the thickness or service condition, then you can weld  with SS316 using E309MoL consumable.

 

Regards,

 

--
Sukamal Naskar
Malaysia

[Sukamal Naskar]

Dear Srinivas,

I think I forgot to mention, if the service condition is above 350 deg C, then have to use Ni -based consumable, like ENiCrMo-3 ..

below 350Deg C, you can use the consumables what I have mentioned earlier.

 

Regards,

 

[Narendra Gohil]

You are right Vasnath,we have done many repair work of such combination with same consumable.
But also ER309L and E309Mo-17 can use for such combination.

Thanks & Regards
----------------------------
Narendra Gohil
Welding Engineer
QAFCO
Ph.00974-4228289(O)
Mo.00974-6044289
Email: ngo...@qafco.com.qa

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From:	"Chandra, Vasanthan (Lagos)" <Vasantha...@DeltaAfrik.com>
To:	<material...@googlegroups.com>
Date:	29/06/2009 16:56
Subject:	[MW:2585] RE: 2583] welding rod selection for dissimilar materials
Sent by:	material...@googlegroups.com

---

[Arjan van Vessum]

309 type, like mentioned earlier 
> Subject: [MW:2585] RE: 2583] welding rod selection for dissimilar materials
> Date: Mon, 29 Jun 2009 14:32:34 +0100
> From: Vasantha...@DeltaAfrik.com
> To: material...@googlegroups.com