Dear All,
When tube material is as belows, is this materail required impact test?
SA334 Gr.6==> O.D 25.4mm * Thick 2.769mm
SA334 Gr.6==> O.D 31.8mm * Thick 2.769mm
If required the impact test, Please let me know how to get the sub size of specimen.
Thanks,
Hi All,
Background)
For set-on nozzles and "T" joints, the following condition shall apply to the material of the Header;
-The plates material to be welded with "T" joint shall be meet ASTM A770 S3(with a minimum area reduction of 35%) or EN10164(Quality Class Z35).
Marerial ; A516 -70...
Hi. All,
API Standard661/ISO 13706:2001 say that as below;
9.2 Postweld heat treatment
9.2.1 All carbon steel and low-alloy steel headers shall be subjected to postweld heat treatment. Welded tube-to-tubesheet joints shall be excluded from postweld heat treatment.
Above mean is that any...
Hello,
We completed welding fabrication of pressure retain parts for air cooler and also finished PWHT. However, we are find some rejectable defects in the pressure retaining parts after PWHT.
Therefore, we would like to repair and complete without PWHT in accordace with ASME Sect.VIII Div.1...
Hello,
We completed welding fabrication of pressure retain parts for air cooler and also finished PWHT. However, we are find some rejectable defects in the pressure retaining parts after PWHT.
Therefore, we would like to repair and complete without PWHT in accordace with ASME Sect.VIII Div.1...
Hi. All,
Do I have to prepare sample coupon to verify value of "K" whether in range of 0.6 through 1.0 base on following condition?
Condition) Plate mill maker tested through thickness test and the result is 0.7(K value)
Thank
teran