Re: [MW:24388] RE: 24384] Welding by SAW process is it mandatory for heavy thick vessels in H2 service

Hi 

I have seen SAW process in horizontal position at site during construction of tanks. Hence SAW is possible.

Sent from my Samsung device

-------- Original message --------
From: Lakshman <lakshmankumar4@gmail.com>
Date: 27/02/2016 15:33 (GMT+08:00)
To: materials-welding@googlegroups.com
Subject: [MW:24385] RE: 24384] Welding by SAW process is it mandatory for heavy thick vessels in H2 service

Hi friend,

 

There is no restriction to SMAW. (subjected to a qualified WPS)

Better you show the setup requirement for SAW to the client and let him understand, hope he will get convinced,.

 

 

Thanks & Regards,

Lakshman Kumar B,

+91 9440031459.

 

From: materials-welding@googlegroups.com [mailto:materials-welding@googlegroups.com] On Behalf Of Prasad
Sent: Saturday, February 27, 2016 12:27 PM
To: Materials & Welding
Subject: [MW:24384] Welding by SAW process is it mandatory for heavy thick vessels in H2 service

 

Dear welding experts,

 

We are manufacturing heavy wall vessels for H2 service.

MOC SA 516 Gr 70. Thick 56 mm

Due to large size vessels are to be supplied in two sections.

Hence on site weld joint will have to be done at place of installation.

At shop we are using SAW process for welding.

At field rotating is not possible and we want to use SMAW process.

Our client is asking us to use SAW process for field weld joint also.

 

We know that SAW is semi automatic & more productive process.

 

My question is whether is their any restriction to use SMAW process.

 

Request experts to give their valuable views to convience client technically.

 

Best regards,

 

Prasad Ghanekar

 

 

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