Dear All,
Please help to find the solution that we required ASTM B705 Class 1 UNS08825 (thickness 9.53 & 6.5 mm)EFW pipes for our project. As per B705 Pipe shall be made from flat-rolled alloy by an automatic
welding process with no addition of filler metal.
But, as an alternative pipe...
Dear Friends,
Please help me to get the Standards UNI5737,UNI 5588 & UNI 6592 ( Bolt , Nut & Washer) for reviewed and confirm the supplied materials from stockiest.
I couldn't able find these standards.
Dear Friends
I am proposing clinet mentioned electrodes E6010 (root )& E7018 ( hot & Fill) in X52 material for cross country pipeline.
I request to provide clarification in the below given statemnt in project specification,specially on this statement "in the heat treat condition to be used in...
Dear All,
Good Day,
Please provide AISI 4140 Standard for my reference.
Further to above, we received Pump from vendor, in that the shaft material used is ASTM 434 Class BB, but our data sheet mentioned as AISI 4140. Inorder to clear the material inspection, i need to clarify the client as both...
Dear All,
we found corrosion in our pipeline, hence we performed ILI-MFI and found ERF less than 1 as per ASME B31G.
When I referred ASME B31G, I couldn't find ESTIMATED REPAIR FACTOR(ERF) criteria.
Please clarify in which clause ERF (ERF less than 1 or greater than 1)criteria is specified in...
Dear Friends,
We Planned to Used the RMD Miller with ER70S6 wire for Root welding Downhill.Please help me find and WPS and Advise below requirement
1.Root Gap
2.Wire Dia for root
3.Speed
4.Mode of metal Transfer In RMD Miller
5.Gas Flow
6. Gas Mixure
7. Advantages and Disadvantages
Dear friends,
We ordered API 5L Gr.B PSL-2 seamless pipes of varies sizes to a manufacturer.
As per project specification, pipes to be impacted at -18 deg C as per the requirements of API 5L.
Manufacturer done the impact test on the pipe of dia. greater than 3 inches pipes only and he refused...
Dear Friends,
I done procedure qualification for piping with P No.1 & G No.1 materialas per section IX.In my project i am have P No.1 &
both G no.1 & 2.Impact test is essential in my project.While got the approval for final WPS,I mentioned both G no.1&2 and got approved.
Question No.:1...
Dear Friends,
I qualified one PQR with GTAW+SMAW process as per ASME sec -9 for station piping work.In that Root & Hot pass with GTAW and remaining with SMAW. Please find given below PQR data
1. Test Coupon - 6 inch X 7.11 mm thick
2. GTAW Deposited weld metal in Root & Hot pass-4.22 mm...
Dear Friends,
I am having station piping work in pipeline.the piping system do not have PWHT.I am having 2 question inthis case
1.I qualifed the WPS with GTAW+SMAW upto the maximum thickness of 18.7 mm.My run pipe thickness is 15.09vmmm maximum.so i dont have any propblem in thickness...
Dear Friends,
In my line pipe job as per API 1104 i have X65 grade pipes and i also qualified PQT for that.the problem is anchor flanges pub pieces pipe material is X52N material.IS it required to qualify another PQT for joining X65 to X52 material pipe? please explain the condition as per...
Dear friends,
In cross country pipe line as per API 1104,i have three different thickness 7.6mm,10.3mm,11.9mm.I qualified PQT for 7.6mm its supports thickess ranges from 4.9 mm to 19.1 mm.The problem is i have the joint between 7.6 mm to 10.3 mm and 7.6mm to 11.9mm.Is it require PQT for...
Dear friends,
what are the types of welding power source & how we identify.
Example.:if experts b seeing a welding machine immediately say it is a rectifier or inverter,transformer.
please explain in detail
Dear frienda,
I have 7.6mm,10.3mm,11.6 and 16 mm thickness of three different thickness in which thichness i have qualify the PQR to cover the all three thickness range ...i have the impact test requirement also.....
Dear friends,
my different job of 15mm,7mm,10mm thickness.I submitted one qualified PQR for thickness 45 mm.but client rejected the PQR.his comments is it not meeting the impact thickness range as per QW-403.6.Is he is correct? please explain
Dear friends,
I have sumitted WPS for pipeline welding which covers thicknes 4.6 to 19.1mm.But client demand me to submit separate WPS for Hot induction bend pipe joint.the bend pipes also comes under 4.6-19.1 mm thickness,material is also same.It required to submit new WPS?
Please explain
Dear friends,
i facing one problem.I gave a job to sub-vendor,to make a spool for low temprature service(operating temp.-9 degree C).The sub vendor completed the job with already qualified WPS & PQR of material A333 with impact test temperature at -20 degree C.But our client requirement is...
Dear friends,
pig launcher and receiver clouser parts is fabricated by one small vendor.our client asking for U stamp certification by inspector.Is it necessary to stamp the closure parts of Pig launcher/receiver.i have no idea about U-2/U2a form and its details of ASME SEC VIII Devision...
