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 BHeader 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 & RegardsAnas Karanath
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