Re: [MW:20168] UNS 6625 AND UNS 8904

Dear sir, 

thanks for your valuable reply.

i have the WPS for UNS no 6625 , can i qualify the the welder by using this WPS for UNS no 8904 material

Thanks & Regards,

Manikandan N

QC - Welding Inspector.

P O BOX  No : 1884                      
Trags - Doha                        

Mobile : +974 33982954  &  E-mail : manikandan@tragsqatar.com

On Sun, Feb 23, 2014 at 11:06 AM, Himan Nikdin <himan.nikdin@outlook.com> wrote:

Hi
Dear Mani

UNS 6625 is Ni-Base alloy and  is an excellent general purpose material for elevated temperature use in applications where high strength and a good oxidation resistance is needed. It has an excellent corrosion resistance in wide range of severe corrosive environments and it has very low tendency to localized corrosion in chloride containing environments. Ralloy 9982 fulfills ASTM B 834.


UNS 8904  is an austenitic stainless steel with superior corrosion resistance in comparison with Type 316L and Type 317L. Due to addition of Cu (1.5%), this material displays excellent corrosion resistance against reducing acids such as sulfuric acid and phosphoric acid. It is used in chemical plants and a wide range of other applications. Nippon Yakin supplies this product in plate, sheet and strip form.


Regards,
Himan Nikdin

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Date: Sun, 23 Feb 2014 10:29:05 +0300
Subject: [MW:20163] UNS 6625 AND UNS 8904
From: manigdcl@gmail.com
To: materials-welding@googlegroups.com

Dear Sir,

i need to confirm, UNS 6625 and UNS 8904 materials are equivalent. or not

pls give me the details...

Thanks & Regards,

Manikandan N

QC - Welding Inspector.

P O BOX  No : 1884                      
Trags - Doha                        

Mobile : +974 33982954  &  E-mail : manikandan@tragsqatar.com

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