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  1. purode333

    E 6013 can be used for impact job

    Material is IS 2062 Gr 350 Gr C
  2. purode333

    E 6013 can be used for impact job

    Can we used the E 6013 electrodes for impact test job. Job temp is -15 degree celceuis. Pls suggest.
  3. purode333

    Stronger weld Butt or Fillet?

    Which will be the strongest weld to be consider, Butt or fillet?
  4. purode333

    Low temperature pipe line

    Dear sir, As all of you knows that in high temperature application piping, we used heat tracing below insulation to maintained the heat or to avoid the heat loss. I want to know that in low temperature application piping line, what to do ? (in place of heat tracing)below cold insulation(PUF)...
  5. purode333

    Tank differential settlement

    Sir, but code said as 13 mm per 10 meters. Pls reply about my above mentioned example of 20 meter dia tank.
  6. purode333

    Tank differential settlement

    Dear sir, As per API 650, differential settlement is 13mm per 10 metres of circumference. Does it means that 13mm on every quadrant or increase from qudrant to quadrant. Example: For 20 metre Dia Tank, from 0 to 180 degree, max differential settelment is 39mm. Pls clear. Ask if any doubt in...
  7. purode333

    Welding of 6mm and 20mm plate thk

    Dear sir, Thanks for reply. Requesting to please conclude the topic, confirming , where bendness will come more 6mm or 20mm.
  8. purode333

    Welding of 6mm and 20mm plate thk

    Dear sir, If we are going to weld the 6mm and 20mm thk carbon steel plates, with suitable electrode. Then, which plate will bend more? Whether, 6mm or 20mm plate?. Normally, we say that 6mm will bend more. But my question is, in 20mm plate our metal deposition is more than as compared to 6mm...
  9. purode333

    Solution annealing and quenching

    Dear experts, As we Know that, quenching is process of rapid cooling. Annealing is the process of heating to particular temperature and allowed to cooled in furnace. My query is for stainless steel, normally done solution annealing, In stainless steel also we do the Rapid...
  10. purode333

    Regarding sensetization in Austenetic stainless steel

    Thank you
  11. purode333

    From TWI job knoweldge 103

    Thank you
  12. purode333

    Regarding sensetization in Austenetic stainless steel

    as you said it get sensitised at over 750oC, and our welding temp is more than that. Means is it possibilities to occurs in every weld or when it will occur ?, how we come to know that is it happening or not? What type of test we have to conduct to check the sensitisation in weld?
  13. purode333

    From TWI job knoweldge 103

    Thanks for the clarify about ferrite phase range. But why they not shown 316L, however, shown 304, 304L, 304H, 304N. Why not 316L. Any special reason? This is most common used material.
  14. purode333

    From TWI job knoweldge 103

    Dear sir, If we see the TWI- Job knoweldge 103, there is table as shown below. Table 1 Typical compositions of some austenitic stainless steel alloys ASTM No. (type) Composition wt% Microstructure C (max) Si (max) Mn (max) Cr Ni Mo Others Austenite - A Ferrite - F 304 0.08 0.75 2.0 18/20 8/11...
  15. purode333

    Regarding sensetization in Austenetic stainless steel

    Dear sir, As we know that sensetization problems arises in mostly 316, 316L, 304 ( 3XX) series. And sensetization usually occurs at 450 to 850oC. My query is that during welding, temperature goes to 1020oC approx. Then how sensetization occurs in weld metal when every weld goes through the...
  16. purode333

    MS threaded joint

    Dear sir, To joint the threaded MS pipe, sealant is better or Teflon tape application is good? Available market sealant are holdtite of pedilite, etc. Pipe application is of water line and air line Pls suggest. Regards Prasad Rode
  17. purode333

    Periodic checking of piping and tanks

    Dear sir, As in operation, we check pressure vessel thickness in every six months and hydro in every year, as per form 11 of pressure vessel. Is any checking of piping and tanks in periodic way? Pls suggest if any. Regards Prasad Rode
  18. purode333

    Regarding the washer size for bolt M16

    Dear sir, What will be the size of washer required for bolt M16. Pls provide the reference also. Regards Prasad Rode
  19. purode333

    Impact Requirement

    Dear sir, Good afternoon!!!. Coming back, after long time period. My query is : when the impact requirement is mandatory?. At which temperature or from which temp. impact requirement is starts. OR it depends on thickness of material? Pls give the reference of code. Regards Prasad Rode
  20. purode333

    Manufacturing process of austentic stainless steel

    Dear experts, In manufacturing of austentic stainless steel like 316, 304 etc, These pipes goes through the process of solution annealing or quenching and tempering. Regards Prasad

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