Search results for query: *

I agreed. I've also requested same, but Company rejected proposal. Is there any official basis for the replacement of SA671 Class 55?

I'm working on old refinery revamping project, and I need to tie-in from ASTM A155 Gr.C55 CL.I. The material has been replaced in 1978 so, I cannot find any allowable stress values. Few days back in #thread292-16187, A155 allowable stress value is available in ASME B31.3- 1976. So, I'd like to...

#mk3223 Thank you for your answer. The problem is that normal saddle type split tee has been rejected by Company because of small annular gap between the tee and the run pipe which may lead to corrosion problem. I will apply Reinforced Set-On Branch type for hot tapping. So, welding line will...

I am working on an external pressure calculation for a hot tap during hydrotest. To derive Factor B&A I need L/Do and Do/t according to equation is from ASME Sec. VIII, Div. 1, UG-28. In case of vessel, the "L" value is specified as length between stiffening ring but what about for pipe? I...