Normally with an induction bend you would align the pipe seam on the neutral axis. I have never seen one that looks like these with all the puckering along the weld seam. They appear to be made as two half shells fitted/forced together prior to welding. Check all aspects of their compliance with dimensional requirements of specification ASME B16.28 which is applicable for elbows.
From: materials-welding@googlegroups.com [mailto:materials-welding@googlegroups.com] On Behalf Of shaikh ahmed
Sent: 02 January 2014 08:38
To: materials-welding@googlegroups.com
Subject: Re: [MW:19743] Query-- Deformed Surface On 84" Damaged Elbow
Dear Sir,
it is made by HOT INDUCTION PROCESS , NOT HOT FORGED.
Thanks,
SHiakh
On Thu, Jan 2, 2014 at 11:20 AM, MADHUSOODHANAN NAIR .G <nairdan2@gmail.com> wrote:
Dear Shaikh Ahmed
Please specify the bend made by which process ( Hot induction or Hot forged ).
MADHUSOODHANAN NAIR
On Tue, Dec 24, 2013 at 12:37 PM, GENE MATSKO <g_matsko@yahoo.com> wrote:
It is the responsibility of the designer or operator to determine what minimum diameter he can tolerate.
Check B31.4 for information and tech. guidance. I hope this helps.
I
Gene Matsko
On Monday, December 23, 2013 11:55 PM, shaikh ahmed <ahmedmech77@gmail.com> wrote:
Dear Expert,
Below Specified Elbows have deforms on surface. (Max. 5.5mm dent)
A234-WPB 84" 90D Elbow 12.7T – 12Ea
cONSTRUCTION code B31.3 -pROCESS piping
84" 90 Degree LR Elbow having deformed surface. The pictures below attached .
Request you to provide the Valuble Suggestion and action required to be taken and also provide any code code refernce.
thanks in advance for your valuable Suggestion.
Best Regards,
| Suk-Hoo, HA (하석후) Piping Supervisor / SADARA MFC Piping Dep't A : P.O. Box 606, Jubail 31951 Daelim Saudi Arabia Co.,Ltd M : (+)966 - (0)51 – 512 – 8037 Ext. : 151 DAELIM SAUDI ARABIA CO., LTD. |
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