RE: [MW:22432] WPS - In service welding

MR. ANAS

 

YES

IF YOU WILL GO THROUGH APPENDIX –B  IT CLEARLY GUIDES US THAT IN-SERVICE WELDING PROCEDURE WILL BE BASED ON THE API-1104 PLUS ALTERNATIVE/ADDITIONAL REQUIREMENTS GIVEN IN APPENDIX B.

 

Regards

 

Faisal Shahzad Meer

QA/QC WELDING

0553919249

 

 

 

From: materials-welding@googlegroups.com [mailto:materials-welding@googlegroups.com] On Behalf Of anas k
Sent: Monday, December 01, 2014 2:08 PM
To: materials-welding@googlegroups.com
Subject: Re: [MW:22430] WPS - In service welding

 

Thanks Mr. Faisal and Mr.Joydev.

Is the sections 5/7 is applicable to in service welding ? How we can justify this?

 

Regards

Anas

 

 

 

On Mon, Dec 1, 2014 at 7:52 AM, joydev dalai <joykolkata07@gmail.com> wrote:

Dear sir,

As per API 1104 the Dia range 

A change from one specified OD group to another. These groups are defined as follows:

1) specified OD less than 2.375 in. (60.3 mm),

2) specified OD from 2.375 in. (60.3 mm) through 12.750 in. (323.9 mm),

3) specified OD greater than 12.750 in. (323.9 mm).

As per API 1104 the thickness range 

A change from one specified wall thickness group to another. These groups are defined as follows:

1) specified pipe wall thickness less than 0.188 in. (4.8 mm),

2) specified pipe wall thickness from 0.188 in. (4.8 mm) through 0.750 in. (19.1 mm),

3) specified pipe wall thickness greater than 0.750 in. (19.1 mm).

 

On Nov 29, 2014 7:52 PM, "anas k" <anaskaranath@gmail.com> wrote:

Dear Experts,

 

I am in a situation to establish WPS for in service piping as per 1104 Annex B. The WPS is for a split tee tie in joint (Encirclement Tee)

Split tee ASTM A 516 Grade B

Header pipe 24" sch 60 (API 5L Grade B)

 

How to select the thickness range ?

How to select dia range ?

What are the essential variables ?

 

Please guide me to make a preliminary WPS.

 

Thanks & Regards

Anas Karanath

 

 

 

 

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