Prem,
You need impact test...? Why? The question can be answered as it is, see below yours.
It is a generic question. But still, I think a WPS is qualified to weld all if within its parameters. Imposition is on weld metal deposits (>12.5 mm per pass). WQT will decide what sizes a welder can weld.
SV
--- On Sun, 11/10/09, PREM SHANKARDUTT NAUTIYAL <prem_nautiyal@rediffmail.com> wrote:
From: PREM SHANKARDUTT NAUTIYAL <prem_nautiyal@rediffmail.com>
Subject: [MW:3482] Re: WPS/PQR, Range Qualified
To: raghurambathula@gmail.com
Cc: materials-welding@googlegroups.com
Date: Sunday, 11 October, 2009, 7:24 PM
Hi What i interpret from the query is that the thickness of test coupon welded for PQR i.e while qualifying the WPS was 15mm. Hence as per ASME SecIX, QW-451:which states the Procedure qualification thickness limits, the range of thickness "T" of base metal qualified will be 5mm to 30mm (2T). Actually the question is not very clear and imp. details like impact requirements are missing ... All are requested to pose clear,detailed to the point queries so that they can get correct answers / solutions. Regards Prem Nautiyal Cell:9820313278 On Sun, 11 Oct 2009 14:06:21 +0530 wrote >thickness limits are defined in QW 403.6 and 403.8, diameter is not a restriction for procedure but thickness limits are.to weld 20mm thickness your PQR test coupon thickness shall be at least 10mm On Sun, Oct 11, 2009 at 10:53 AM, Shashank Vagal wrote: Hi Group Members,Please see the following and advise.Shashank Vagal Query: dear every one, i have this problem i need to know the thickness range or pipes diameter range for the wps in which standard i think its in asme sec 9 but where ??? for exmple if i have wps for thickness 15 is it cover the 20 mm waiting answer please regards My Reply: A WPS is a guideline to ensure joint integrity as proven by PQR + applicable mech tests + NDT. It is intended for all job sizes once the welding technique used proves itself in these tests. The sizes etc come in to picture by qualifying welder on test coupons of a given size as per your job requirements. ASME IX stipulates weld metal deposit and not job size. Please ref to QW 450 - 461. Now, send attachments up to 25MB with Yahoo! India Mail. Learn how PREM S NAUTIYAL CELL : 9820313278
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