Friday, March 4, 2011

Re: [MW:10137] PQR Test coupon diameter range. Can i qualify in 2 Inch NPS? ASME sec 9

Hi,
You can go with 2" coupon.But you should also consider whether Only one 2" test coupon is enough for all mechanical test to be done.If the test specimen is not enough for mechanical tests,you should do aditional one coupon for sufficient mechanical test specimens.

Thanks & Regards,

(Karthik)

Karthikeyan.S
QA/QC Manager
Getabec Energy Co.,Ltd.
379,Moo6,Soi8,Nikhomphatana,
Rayong-21180,
Thailand.
Phone: 0066 38 897035-8 (Off)
Fax: 0066 38 897034
Hand Phone: 0066 892512282


--- On Fri, 3/4/11, Srinivas Engr <srinivas.gmsrini@gmail.com> wrote:

From: Srinivas Engr <srinivas.gmsrini@gmail.com>
Subject: [MW:10133] PQR Test coupon diameter range. Can i qualify in 2 Inch NPS? ASME sec 9
To: "Materials & Welding" <materials-welding@googlegroups.com>
Date: Friday, March 4, 2011, 1:50 PM

Dear All,

As per QW 310, the test coupon sizes shall be NPS 6 inch or greater?
for PQR & WPS qualification, can i go with NPS 2 inch test coupon?
(possible r not)
if i do witt 2 inch then how many test  coupon i want  to make?

Regards
srinivas

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