[MW:31040] Re: ASME672 ELECTRIC-FUSION-WELDED STEEL PIPE FOR HIGH-PRESSURE SERVICE

Many thanks for your help,

could some one give me a quick reference to the code to prove that SAW is an EFW welding.

Regards,

On Friday, June 26, 2020 at 6:57:19 AM UTC+3, Materials & Welding wrote:

SAW is one of  the EFW (electro fusion welding) process and is acceptable

double welding is welding from both sides   

On Friday, 26 June 2020 at 09:20:27 UTC+5:30 Umar Rashid Makrani wrote:

Hello Peers, 

the above specifications states EFW welding whereas the supplier offers SAW pipes could you please advise this is acceptable or not.

The codes states:

Quote:

5.2 Welding:

5.2.1 The joints shall be double-welded, full-penetration

welds made in accordance with procedures and by welders or

welding operators qualified in accordance with the ASME

Boiler and Pressure Vessel Code, Section IX.

5.2.2 The welds shall be made either manually or automatically

by an electric process involving the deposition of filler

metal.

:Unquote

what is intended by "Double-Welded" in 5.2.1

Regards,

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