EFW vs. SAW - Pipelines, Piping and Fluid Mechanics engineering
May 1, 2006 · Hi We have specified 42” and 34” pipe in API 5L Gr. B EFW, with HIC resistant test complying with NACE MR0103, TM 02-84 and TM-01-77. The pipe is in a service where wet …
EFW Vs SMLS - Pipelines, Piping and Fluid Mechanics engineering
Jul 28, 2019 · The Code doesn't limit the application of the EFW pipe in any pressure rating. IMO, the EFW pipe application may be based on the pipe thickness due to the longitudinal weld joint …
EFW and ERW pipes comparison - Eng-Tips
Aug 27, 2002 · With ERW pipe, all of the quality control and inspection in the world won't improve the Joint Efficiency Factor. With EFW pipe, the Efficiency Factor can be improved up to 1.0 …
EFW pipe - Welding, Bonding & Fastener engineering | Eng-Tips
Dec 17, 2007 · I am trying to find which pipeline manufacturer's produced EFW pipe and for what years. Is there some sort of comprehensive list out there somewhere with this type of info? So …
SMLS Vs. ERW pipe - Pipelines, Piping and Fluid Mechanics
Feb 21, 2001 · power and process piping go with the seamless. efw will be ok for the utilities. one exception. i will consider an efw ss pipe above 6 NPS provided its a358 class 1 and i got to …
SA312 EFW Pipe in Lethal Service - Boiler and Pressure Vessel ...
Dec 29, 2012 · I've got a small-diameter lethal service vessel per ASME Section VIII Div 1 with a 316SS metallurgy. I called for ASME SA312-TP316 EFW for the shell and nozzles, with 100% …
B31.3 EFW Defination - Material engineering general discussion
Jun 3, 2021 · The below is our main confusion about EFW 1-The Project MTO description,is included different,EFW.ERW and SAW Pipes items. 2-If EFW is subsidery of SAW ,Why has a …
Bending Electric Fusion Welded Pipe - Eng-Tips
Jun 22, 2010 · Should I avoid bending EFW pipe and strictly use fittings? If it's OK to bend EFW pipe, what precautions should be taken versus seamless pipe? Does it matter if the weld joint …
SA 312 pipe WLD/EFW - ASME (mechanical) Code Issues
May 14, 2015 · Hi, I have a certificate of a welded pipe where it's written that material is according to "ASME II PART.A" and "ASME SA 312 TP 304L" and also "EFW" (electric-fusion welded). …
ERW Pipe joint eff. - ASME (mechanical) Code Issues | Eng-Tips
Jul 29, 2008 · Is it permissible to perform additional spot RT to increase the joint eff. of ERW pipe to be used as a pressure vessel shell?