Dear Friends
Pls provide best possible clarification/definition asap
Code- AWS D1.1 Year 2010
The omission, but no inclusion, of backing or backgouging
1st i prfer to break it up
1- Omission of backing or backgouging- If PQR qualified with backing ( backing weld/backing strip/metallic strip) or...
Dear Experts
Onsite AC & DC current used- Root using LB52U x AC for better penetration- 1 WPS(AC) & Fill/Cap- using LB52 x DC using another WPS(DC).Weld Process-SMAW
So 2 diffrernt WPS with varying AC/DC Variables used for welding this T-K-Y Joints.
Based on Table 4.5 # 13- straightway it is...
Base Material - ASTM A131- EH36 x 25.4mm (Thk) x Single V
Weld Process - SMAW / Weld Position - 3G-Uphill
All Mechanical Tests & Impact Testing( -20 deg celcius ) passed. But Hardness Value exceeds allowable range
Query:-
1) Is it mandatory( AWS D1.1 / ASME Sect IX )to conduct Hardness Test?
2)...
Dear Sir
That means I can include all joint type/groove with given joint types and grooves detail in ONE WPS attached with qulaified PQR ( with/without CVN Test Results .
Based on newly prepared WPS complying to essential and supplementary variables(if CVN reqd) to weld all joints with given...
Dear Sir
Presently I have qualified PQR with Single V welded in 3G Position
Undergone all reqd mechanical test including Impact Test at -20 deg celcius succesfully.
Base Mat- ABS Grade EH36 x 25.4mm Thk.
Filler Metal used - Kobelco LB52-E7016.
QUERY:-
Based on Table AWS D1.1-Ed 2008-4.5 # 31-...
Dear Friends
AWS D1.1Ed-2008-4.1.3.2-Period of Effectiveness
1) Code clearly says tack-welder's qualification valid indefinitely for the process and positions qualified for.
2) We also use "Low Levy 3G-SMAW-max. thk qualified is 10mm" qualified welders as tack-welders only. Their qualification...
Dear Friends
Applicable Codes - ASME Section IX & ASME B31.3
Weld Process - GTAW / SMAW
Test Positions - 2G & 5G separately
Base Material - API 5L X65Q x 30mm thk.
I have to know acceptable Min. / Max. Hardness Value after PWHT. Client Spec refer NACE MR 0175 which i dont have
Can shine some...
Dear Friends
Possible Weld Process want to weld Tubular Tube to Flange-Butt
1) Please send Properties of B16.47 A-Series 900.
Weld Process - GTAW x SMAW / or GTAW / FCAW or FCAW.
Appreciate if someone advise suitable consumable.
Thanks
Ganesan
Dear Friends
Weld Process - SMAW
We have 6G welders qualified - using F4 & F5 Filler Metal groupings.
Q1 - Can My F4 welder weld stainless Steel base meterial ising F5 Filler Metal?
Q2- Is my Welder qualified with F5 Filler metal qualified to weld using F4 to F1 Filler Metals
Appreciate...
Dear Friends
I was asked to prepare WPS for Duplex Stainless Steel varies from 1" to 8" x Min Thks 5mm to 38mm.
Impact Value -40 deg celcius
Process - ROOT and Hot pass - GTAW / Fill & Cap-SMAW
Pls guide me in preparing Proposed WPS complyimng to ASME Sect IX-QW-403.6 & QW-451
Thanks
Dear Friends
I want guidance in qualifying PQR
Applicable Code AWSD1.1.
6GR Test Position- API 5L X52 Pipe used( Group II- Impact Test Reqd.)
Question -
1) Is it mandatory to do mock-up test?
2) Is there any base material limitations for preparing macro specimen.
Thanks
Dear Friends
Applicable Code- AWS D1.1. tEST pOSITION -6GR.
1)For full Mech. Test/Impact Energy-6GR-Mat. API 5L X52-Group II Mat used
2) For Macro - EH36-Group Material II used. In which clause as per AWSD1.1 it is allowed?
Appreciate prompt answer
Dear Friends
Applicable Code - AWS D.1.1- Sect 4 Part B-Table 4.8.
In Module Skid Fabrication European Steel- S355JR, S275JR,A355JO used( Unlisted Material in AWS D.1.1).
Is it right/appropriate to use WPS/PQR Qualified using EH36 as base material?
If acceptable, pls advise ref. section of the...
Hi, Rneil, Yes mentioned in the latest ISO Drawings. Job concluded based on Rev 3 which only require to comply with ASME B31.3.But Rev. 4 calls for 20% RT(same as in earlier rev.& Done) + 5%MPI on butt welds
Reinstament done and commissioning completed.
That's the reason. I want to confirm if...
