I do not know if you can write a WPS as you indicate, my subject is that you write a WPS P5A with P5A and that new WPS will be useful for welding the following:
1. P5A with P5A
2. P5A with P4
3. P5A with P3
4. P5A with P1
I saw this in an API 510 course for pressure vessels which is based on ASME IX and ASME VIII Div. 1
What you can not do is with this WPS P5A with P5A, weld a material P4 with P4 or P3 with P3, necessarily one of the two materials has to be P5A and the other equal to or smaller than P5A, this has helped you.
Regards!.
2018-03-28 1:38 GMT-06:00 srinivas <srinivasduraisamy@gmail.com>:
Hi--
This is Srinivas,I got a PQR P5A to P5A , So i can write WPS P5A to P4 from that P5A to P5A PQR ?Based on QW 424.1 ?
On Sunday, 6 April 2014 12:18:17 UTC+8, Binoy Lonappan wrote:As per Section IX QW 424 for procedure qualification it is given thatt
for base material range of qualification as P15 E metal to P4 metal is
qualified for any metal from P15E to P4 or P3,P1
But P number is an essential variable so what is the actual
interpretation of the above clause
Or does it means if we qualify procedure for P15E +P4 then it is
qualified for the P15E any metal from this group to any metal from
P4,P3 P1 groups
--
With Regards
Binoy Lonappan
+91-9645100560
QAC Engineer
TECCL
https://materials-welding.blogspot.com/
https://www.linkedin.com/groups/122787
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