Welding consumable for cladded plate SA516 Gr70 with SS316

[Vu Duc Thuan]

Dear Expert ,

We have vessel shell plate A516-Gr 70 cladded with SS316 L, For the plate thickness: 25MM-40MM cladded 3mm.

Could you please advise the filler material selection and welding sequence for LS and CS.

I intend to use welding process FCAW and SAW. Or SMAW and SAW.

 

Thanks and Best regards,

 

 

 

Regards,

Thuan, Vu Duc

Mobil: +84 983 017 936

[ramón ignacio briceño]

Dear Thuan,

According your requirement of cladding SA516-70 / SS316, begin the work  of "buttering"  with ER-309 filler to facilitate the microstructural transition between CS vs SS. This "buttering" can be 1 mm thickness and following use ER-316L filler to end  up with 2 mm thickness. Use SMAW process, and depending of the cladding area to cover, change the aplication by SAW process, then you need a other welding material of common use in SAW process to joint  SA516-70 / SS316L.

Regards, 

Ramon Briceno

Metallurgical Engineer.

  

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From: dthu...@gmail.com
To: material...@googlegroups.com
Subject: [MW:19902] Welding consumable for cladded plate SA516 Gr70 with SS316
Date: Wed, 22 Jan 2014 12:10:55 +0700

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[Vu Duc Thuan]

Dear Ramon Briceno,

 

Thank you so much for your information,

Yes, the ER-309 is intersection between CS Vs SS then after ER-316L for cladding..

How about PWHT for thickness over 30mm CS?

 

 

Regards,

Thuan, Vu Duc

Mobil: +84 983 017 936

 

[ramón ignacio briceño]

Dear Thuan,

All CS equipment fabricated by welding  following a PWHT after the welding if the base material thickness is more than 25 mm by plate or 19 mm by  piping.  ASME Section VIII-UG Part give you information about the form that you can apply the PWHT.

Regards, 

Ramon Briceno

Metallurgicla Engineer.

---

From: dthu...@gmail.com
To: material...@googlegroups.com

Subject: RE: [MW:19912] Welding consumable for cladded plate SA516 Gr70 with SS316
Date: Thu, 23 Jan 2014 13:09:43 +0700

[Ansari intekhab alam]

Dear Ramon

Sorry to say but your above providing information is not completely true.

i don't have t knowledge of piping welds but have well knowledge of ASME Sec VIII Div 1

as per UCS-56 you shall apply PWHT for a butt welds of more than 32 mm thickness ( if preheat is less than 95 Deg ) or more than 38 mm in any case . also all the butt welds shall be 100% radio-graphed for CS materials if thk exceed 32 mm as per UCS-57.

Thanks
Regards
Intekhab Alam Ansari

[george....@gr.bureauveritas.com]

You may use E7018-1 for the CS part and 316 for the SS part. However you have to use a 309 barrier between CS and SS. If you mix 316 with CS you will get hot cracks

best regards

Dr. Georgios Dilintas

Authorized Nuclear Inspector
Authorized Inspector Supervisor
API 510 Inspector

I&F REGIONAL TECHNICAL MANAGER
BUREAU VERITAS HELLAS

Tel: +30 210 40 63 113/4
Fax: +30 210 40 63 118
Cell: +30 69 44 64 62 04
(See attached file: Dilintas_George.vcf)

Ansari intekhab alam ---29/01/2014 14:59:34---Dear Ramon Sorry to say but your above providing information is not completely true.

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