RE: Flattening limits for pipes

From: <Shamrose>
Date: Mon Jun 27 2005 - 00:43:00 EDT

Hi,

I found this in 1999 eddition, Hope it will help.

K332.2.1 Bend Flattening. The difference between the maximum and the minimum diameters at any cross section of a bend shall not exceed 8% of nominal outside diameter for internal pressure and 3% for external pressure.

Regards,

Shamrose Ch.

-----Original Message-----
From: PipingDesign@yahoogroups.com [mailto:PipingDesign@yahoogroups.com] On Behalf Of CHAKRABORTYP2@iocl.co.in
Sent: Saturday, June 25, 2005 7:12 PM
To: PipingDesign@yahoogroups.com
Subject: [PipingDesign] Flattening limits for pipes

Dear All,

Hi,

I am Chakra. I work in an refinery as an Inspection Engr where among many things I have to monitor the quality of fabrication as well (welding/SR & other related things)

I have an outdated edition of ANSI 31.3 (1993 ed) at hand & I have to tell the present tolerance for pipe flattening. Please tell me the tolerance specified in the present edition for ANSI 31.3 Clause K 322.2.1

Thanks in advance

Chakra

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